{"product_id":"stiebel-eltron-wwk220-heatpump","title":"Stiebel Eltron WWK222 Heat Pump Hot Water System","description":"\u003ch1\u003eStiebel Eltron WWK 222 220L Heat Pump Hot Water System\u003c\/h1\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 220L Heat Pump Hot Water System is available online from Hot Water Outlet as a supply-only heat pump hot water unit with metro delivery available in selected areas Australia wide.\u003c\/p\u003e\n\u003cp\u003eCustomers can purchase the Stiebel Eltron WWK 222 as a supply-only heat pump hot water system and request assistance arranging installation quotes after purchase through licensed local installers in selected metro regions.\u003c\/p\u003e\n\u003cp\u003eThis page is for the standard WWK 222 model, not the WWK 222H. The WWK 222 is a 220L heat pump hot water system designed for efficient domestic hot water using surrounding air. It features active defrost, quiet encased compressor operation, a maintenance-free impressed current anode, solar PV compatibility and indoor or outdoor installation flexibility where suitable.\u003c\/p\u003e\n\u003ch2\u003eAbout the Stiebel Eltron WWK 222 220L\u003c\/h2\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 uses heat pump technology to draw heat from the surrounding air and transfer it into stored hot water. This makes it a practical upgrade option for customers wanting a more energy-efficient alternative to a standard electric storage hot water system.\u003c\/p\u003e\n\u003cp\u003eThe 220L capacity may suit smaller to medium households depending on hot water usage, shower flow rates, recovery expectations, tariff setup, climate and installation conditions.\u003c\/p\u003e\n\u003cp\u003eThe WWK 222 is the non-H model, which means it does not include the 1.7 kW smart element found in the WWK 222H. It is designed to generate hot water through heat pump operation and includes active defrost to support operation in cooler conditions.\u003c\/p\u003e\n\u003ch2\u003eBuy Stiebel Eltron WWK 222 Supply Only\u003c\/h2\u003e\n\u003cp\u003eBuy the Stiebel Eltron WWK 222 supply only online from Hot Water Outlet if you already have a licensed plumber and electrician arranged for installation.\u003c\/p\u003e\n\u003cp\u003eThe product price is for the unit only. Installation, valve kits, old system removal, disposal, electrical work, pipework changes, drainage, condensate management, base preparation, pressure control and compliance upgrades are not included unless separately quoted.\u003c\/p\u003e\n\u003cp\u003eCommon search terms this product suits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStiebel Eltron WWK 222 price\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStiebel Eltron WWK 222 heat pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStiebel Eltron 231209 heat pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e220L heat pump hot water system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWWK 222 hot water heat pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStiebel Eltron heat pump hot water\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSolar PV compatible heat pump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNon-H Stiebel Eltron WWK 222\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStiebel Eltron WWK 222 supply only\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Quotes Available After Purchase\u003c\/h2\u003e\n\u003cp\u003eHot Water Outlet does not directly provide installation services.\u003c\/p\u003e\n\u003cp\u003eAfter purchasing the Stiebel Eltron WWK 222 220L Heat Pump Hot Water System, customers in selected metro areas may request assistance arranging installation quotes through licensed local plumbers and electricians.\u003c\/p\u003e\n\u003cp\u003eInstallation quote availability depends on:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eservice location\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003einstaller availability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003einstallation suitability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eaccess\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eairflow clearances\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003edrainage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ewater pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eelectrical requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003evalve kit requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eavailable installation timeframes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional installation costs may apply for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003evalve kit replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eold system removal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003edisposal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eelectrical work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003epower point or circuit changes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003epipework changes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003econdensate drainage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ebase or tray requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003epressure limiting valve requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003erestricted access\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eindoor space or ventilation requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eoutdoor clearance requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003erelocation from the existing hot water position\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003enon-compliant existing installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eStiebel Eltron WWK 222 Delivery Brisbane\u003c\/h2\u003e\n\u003cp\u003eHot Water Outlet offers metro delivery for the Stiebel Eltron WWK 222 220L Heat Pump Hot Water System in selected Brisbane areas.\u003c\/p\u003e\n\u003cp\u003eThis model may suit Brisbane homes replacing an older electric storage hot water system, especially where the customer wants a quality heat pump option with quiet operation, active defrost and solar PV compatibility.\u003c\/p\u003e\n\u003ch2\u003eStiebel Eltron WWK 222 Delivery Gold Coast\u003c\/h2\u003e\n\u003cp\u003eHot Water Outlet offers metro delivery for the Stiebel Eltron WWK 222 220L Heat Pump Hot Water System in selected Gold Coast service areas.\u003c\/p\u003e\n\u003cp\u003eThis system may suit coastal homes, townhouses, investment properties and family homes looking for a 220L heat pump hot water unit.\u003c\/p\u003e\n\u003ch2\u003eStiebel Eltron WWK 222 Delivery Sydney\u003c\/h2\u003e\n\u003cp\u003eHot Water Outlet offers metro delivery for the Stiebel Eltron WWK 222 220L Heat Pump Hot Water System in selected Sydney metro areas.\u003c\/p\u003e\n\u003cp\u003eCustomers can purchase online and request assistance arranging installation quotes after purchase where available.\u003c\/p\u003e\n\u003ch2\u003eStiebel Eltron WWK 222 Delivery Melbourne\u003c\/h2\u003e\n\u003cp\u003eHot Water Outlet offers metro delivery for the Stiebel Eltron WWK 222 220L Heat Pump Hot Water System in selected Melbourne metro areas.\u003c\/p\u003e\n\u003cp\u003eCustomers can purchase online and request assistance arranging installation quotes after purchase where available.\u003c\/p\u003e\n\u003ch2\u003eIs the Stiebel Eltron WWK 222 Right for Your Home?\u003c\/h2\u003e\n\u003cp\u003eThis system may suit you if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eyou want a 220L heat pump hot water system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou are replacing an existing electric storage hot water system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyour household has moderate hot water usage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou want the standard WWK 222 model, not the WWK 222H\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou want a heat pump with active defrost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou want a system suitable for hard or soft water areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou want a solar PV compatible hot water system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou have suitable airflow, drainage, access and installation space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou have suitable electrical provision or can arrange electrical work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyou prefer supply-only purchase flexibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExtra work may be required if:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ethe system is being moved to a new location\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eexisting valves are old, missing or non-compliant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eelectrical upgrades are required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003edrainage or condensate management needs to be added\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ea suitable base or tray is required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ewater pressure control is required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eindoor space or ventilation is not suitable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eoutdoor clearances are restricted\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eaccess is difficult\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ethe old system needs removal or disposal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyour household needs the H model with smart element support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eyour household needs a larger capacity model due to higher hot water demand\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features of the Stiebel Eltron WWK 222\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e220L heat pump hot water system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eArticle number 231209\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard WWK 222 model, not WWK 222H\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeat pump-only model without the 1.7 kW smart element\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for Australian conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMade in Europe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUses ambient air heat for efficient hot water production\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for hard or soft water areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintenance-free impressed current anode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eActive defrost function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperates down to -5°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSolar PV compatible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan operate on off-peak power where available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow heat pump power consumption of 0.55 kW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRated voltage of 240 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRated current of 10 A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeasonal COP of 3.94\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e220L cylinder capacity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan deliver up to 360L of 40°C shower temperature water at 20°C cold water temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum permissible operating pressure of 850 kPa\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eR134a refrigerant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e550 m³\/h air flow rate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIP24 rating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndoor or outdoor installation where suitable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMinimum indoor space requirement of 13m³\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutdoor clearance requirement of 500 mm either side of the grille\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSound pressure level of 45 dB(A) at 1 m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmpty weight of 120 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilled weight of approximately 340 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1553–1569 mm adjustable height x 690 mm diameter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWaterMark approved\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuick Specs\u003c\/h2\u003e\n\u003cp\u003eBrand: Stiebel Eltron\u003cbr\u003eRange: WWK\u003cbr\u003eProduct: WWK 222 220L Heat Pump Hot Water System\u003cbr\u003eArticle Number: 231209\u003cbr\u003eSystem Type: Heat pump storage hot water\u003cbr\u003eTank Volume: 220L\u003cbr\u003eRecommended Household Size: Smaller to medium households depending on usage\u003cbr\u003eInstallation Type: Indoor or outdoor where suitable\u003cbr\u003eModel Type: Standard non-H model\u003cbr\u003eSmart Element: No\u003cbr\u003ePower Consumption at EN16147 \/ A15: 0.55 kW\u003cbr\u003eRated Voltage: 240 V\u003cbr\u003eRated Current: 10 A\u003cbr\u003ePhases: 1\/N\/PE\u003cbr\u003eElectrical Installation: As per AS\/NZS3000\u003cbr\u003eInstallation Requirements: AS\/NZS3500.4.2 and local requirements\u003cbr\u003eCylinder Material: Enamelled steel\u003cbr\u003eMaximum Permissible Operating Pressure: 850 kPa\u003cbr\u003eCOP: 3.94 seasonal average\u003cbr\u003eApplication Range: -5°C to +42°C\u003cbr\u003eAir Flow Rate: 550 m³\/h\u003cbr\u003eIP Rating: IP24\u003cbr\u003eRefrigerant: R134a\u003cbr\u003eRefrigerant Capacity: 0.85 kg\u003cbr\u003eHeight: 1553–1569 mm with adjustable feet\u003cbr\u003eDiameter: 690 mm\u003cbr\u003eEmpty Weight: 120 kg\u003cbr\u003eFilled Weight: Approximately 340 kg\u003cbr\u003eSound Pressure Level: 45 dB(A) at 1 m\u003cbr\u003eMinimum Indoor Space Requirement: 13m³\u003cbr\u003eOutdoor Clearance Requirement: 500 mm either side of grille\u003cbr\u003eApprovals: WaterMark Lic No. WMKA00301, AS3498\u003cbr\u003eWarranty: Current Stiebel Eltron warranty terms apply\u003c\/p\u003e\n\u003ch2\u003eHeat Pump Storage Hot Water\u003c\/h2\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 stores hot water in a 220L cylinder and uses heat pump technology to heat the water efficiently.\u003c\/p\u003e\n\u003cp\u003eInstead of relying on a standard electric element as the main heating method, the WWK 222 uses the energy in surrounding air to generate hot water. This makes it a strong option for homes wanting to upgrade from a conventional electric storage hot water system where the site is suitable.\u003c\/p\u003e\n\u003ch2\u003eStandard WWK 222, Not WWK 222H\u003c\/h2\u003e\n\u003cp\u003eThis product page is for the WWK 222 standard model, not the WWK 222H.\u003c\/p\u003e\n\u003cp\u003eThe WWK 222H includes a 1.7 kW smart element to assist recovery during high hot water usage. The WWK 222 does not include that smart element, making it the correct choice where the standard non-H model is required.\u003c\/p\u003e\n\u003cp\u003eCustomers with higher hot water recovery needs may need to compare the WWK 222 against the WWK 222H or a larger model before ordering.\u003c\/p\u003e\n\u003ch2\u003eEfficient Heat Pump Hot Water\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 has a listed seasonal COP of 3.94. COP is a performance measure that compares heat output to electrical input under test conditions.\u003c\/p\u003e\n\u003cp\u003eReal-world performance depends on ambient temperature, hot water usage, installation location, airflow, settings, tariff setup and household demand.\u003c\/p\u003e\n\u003ch2\u003eActive Defrost Function\u003c\/h2\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 includes active defrost to support heat pump operation in colder conditions.\u003c\/p\u003e\n\u003cp\u003eWhen frost is detected at the evaporator, the active defrost function helps remove frost build-up so the system can return to normal hot water generation. This helps the unit operate down to -5°C without needing the H-model smart element.\u003c\/p\u003e\n\u003ch2\u003eMaintenance-Free Impressed Current Anode\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 uses a maintenance-free impressed current anode making it suitable for hard or soft water areas.\u003c\/p\u003e\n\u003cp\u003eUnlike sacrificial anodes that are designed to wear away over time, an impressed current anode is designed to provide corrosion protection without regular anode replacement under normal conditions.\u003c\/p\u003e\n\u003ch2\u003eEnamelled Steel Cylinder\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 uses an enamelled steel cylinder. The cylinder is designed for domestic hot water storage and works with the impressed current anode for long service life.\u003c\/p\u003e\n\u003cp\u003eWater quality, pressure control, correct installation and ongoing maintenance all play a role in long-term system performance.\u003c\/p\u003e\n\u003ch2\u003eSolar PV Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 is compatible with solar PV integration where configured correctly.\u003c\/p\u003e\n\u003cp\u003eA solar PV signal can allow the unit to increase tank temperature during peak solar production helping make better use of self-generated power where the home has a suitable solar setup.\u003c\/p\u003e\n\u003cp\u003eSolar PV integration depends on the electrical setup, inverter capability, system configuration and installer requirements.\u003c\/p\u003e\n\u003ch2\u003eOff-Peak Operation Option\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 can operate on off-peak power where available.\u003c\/p\u003e\n\u003cp\u003eThis may suit homes wanting to manage hot water running times around tariff windows, solar production or household usage patterns. Actual running costs depend on energy rates, settings, hot water demand and installation conditions.\u003c\/p\u003e\n\u003ch2\u003eLow Power Consumption\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 has a listed heat pump power consumption of 0.55 kW and a current draw noted by Stiebel Eltron as 2.3 A on 240 V.\u003c\/p\u003e\n\u003cp\u003eElectrical work must still be completed to Australian standards and site suitability should be checked before installation.\u003c\/p\u003e\n\u003ch2\u003eIndoor or Outdoor Installation\u003c\/h2\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 can be installed indoors or outdoors where suitable.\u003c\/p\u003e\n\u003cp\u003eIndoor installation requires a clear space of 13m³ so the cold air from the refrigeration system can diffuse. Outdoor installation requires 500 mm clearance either side of the grille along with suitable drainage, access, base support and weather exposure conditions.\u003c\/p\u003e\n\u003ch2\u003eQuiet Encased Compressor\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 is designed with an encased compressor to help reduce operating noise.\u003c\/p\u003e\n\u003cp\u003eIt has a listed average sound pressure level of 45 dB(A) at 1 m. Noise impact still depends on the installation location, surrounding walls, nearby bedrooms, fences, reflective surfaces and local site conditions.\u003c\/p\u003e\n\u003ch2\u003eWater Pressure and PLV Requirements\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 has a maximum permissible operating pressure of 850 kPa.\u003c\/p\u003e\n\u003cp\u003eWater pressure must be checked before installation. A pressure limiting valve may be required depending on the property’s incoming water pressure, the selected valve kit and the installation requirements.\u003c\/p\u003e\n\u003cp\u003eHigh water pressure, missing valves or non-compliant existing pipework can affect installation scope and final cost.\u003c\/p\u003e\n\u003ch2\u003eDrainage and Condensate Requirements\u003c\/h2\u003e\n\u003cp\u003eHeat pumps produce condensate during normal operation. The installation location must allow suitable condensate drainage in addition to standard hot water system safety valve discharge requirements.\u003c\/p\u003e\n\u003cp\u003eDrainage changes are not included unless separately quoted.\u003c\/p\u003e\n\u003ch2\u003eClearance Requirements\u003c\/h2\u003e\n\u003cp\u003eCorrect airflow is important for heat pump performance. The WWK 222 needs suitable installation clearance so the unit can draw and discharge air properly.\u003c\/p\u003e\n\u003cp\u003ePoor airflow, tight enclosures, blocked grilles or unsuitable indoor spaces can reduce performance and may make the installation unsuitable.\u003c\/p\u003e\n\u003ch2\u003eSTCs and Government Incentives\u003c\/h2\u003e\n\u003cp\u003eHeat pump hot water systems may be eligible for STCs or government incentives depending on the product, installation date, location and program rules.\u003c\/p\u003e\n\u003cp\u003eEligibility, rebate value and availability can change. Any incentive should be checked before purchase and should not be treated as guaranteed unless confirmed as part of the checkout or installation process.\u003c\/p\u003e\n\u003ch2\u003eWWK 222 vs WWK 222H\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 is the standard 220L model. The WWK 222H is the 220L H model with a 1.7 kW smart element designed to assist with hot water recovery during higher usage.\u003c\/p\u003e\n\u003cp\u003eChoose the WWK 222 if you specifically want the non-H model. Consider the WWK 222H if the property needs additional recovery support subject to electrical suitability and household demand.\u003c\/p\u003e\n\u003ch2\u003eWWK 222 vs WWK 302\u003c\/h2\u003e\n\u003cp\u003eThe WWK 222 has a 220L cylinder capacity and can deliver up to 360L of 40°C shower temperature water at 20°C cold water temperature.\u003c\/p\u003e\n\u003cp\u003eThe WWK 302 has a larger 302L cylinder capacity and can deliver up to 540L of 40°C shower temperature water at 20°C cold water temperature.\u003c\/p\u003e\n\u003cp\u003eThe WWK 222 may suit smaller to medium households while the WWK 302 may be more suitable for larger households or higher hot water usage.\u003c\/p\u003e\n\u003ch2\u003eWWK 222 vs Standard Electric Storage\u003c\/h2\u003e\n\u003cp\u003eA standard electric storage system uses an electric element to heat water directly. The Stiebel Eltron WWK 222 uses heat pump technology to draw heat from the surrounding air.\u003c\/p\u003e\n\u003cp\u003eThe WWK 222 may be a better option for customers wanting an energy-efficient electric hot water upgrade, solar PV compatibility and a premium European-made heat pump. A standard electric storage system may still suit customers wanting a simpler lower upfront cost replacement where heat pump space, airflow, noise, drainage or electrical requirements are not suitable.\u003c\/p\u003e\n\u003ch2\u003eCommon Uses\u003c\/h2\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 220L Heat Pump Hot Water System can be suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eelectric storage hot water replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eheat pump hot water upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e220L hot water system replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003esmaller to medium households\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ehomes with solar PV\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ehomes using off-peak power where available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003etownhouses with suitable space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003efamily homes with moderate hot water usage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003erental properties\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003einvestment properties\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003erenovation projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eenergy-efficient hot water upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ehomes wanting quiet heat pump operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ehomes wanting lower energy electric hot water operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eCan I buy the Stiebel Eltron WWK 222 supply only?\u003c\/h3\u003e\n\u003cp\u003eYes. You can buy the Stiebel Eltron WWK 222 as a supply-only unit if you already have a licensed plumber and electrician arranged.\u003c\/p\u003e\n\u003ch3\u003eDoes Hot Water Outlet install heat pump hot water systems?\u003c\/h3\u003e\n\u003cp\u003eNo. Hot Water Outlet does not directly provide installation services. Customers may request assistance arranging installation quotes after purchase in selected metro areas.\u003c\/p\u003e\n\u003ch3\u003eCan I get the Stiebel Eltron WWK 222 installed in Brisbane?\u003c\/h3\u003e\n\u003cp\u003eCustomers in selected Brisbane areas may request assistance arranging installation quotes after purchase depending on location, access, site conditions and installer availability.\u003c\/p\u003e\n\u003ch3\u003eCan I get the Stiebel Eltron WWK 222 installed in Gold Coast?\u003c\/h3\u003e\n\u003cp\u003eCustomers in selected Gold Coast service areas may request assistance arranging installation quotes after purchase subject to service coverage and site suitability.\u003c\/p\u003e\n\u003ch3\u003eIs installation included in the product price?\u003c\/h3\u003e\n\u003cp\u003eNo. The product price is for the unit only unless separately quoted. Installation, valve kits, disposal, old system removal, electrical work, pipework changes, drainage and other extras are not included unless arranged separately.\u003c\/p\u003e\n\u003ch3\u003eIs this the WWK 222H?\u003c\/h3\u003e\n\u003cp\u003eNo. This page is for the standard Stiebel Eltron WWK 222, not the WWK 222H.\u003c\/p\u003e\n\u003ch3\u003eDoes the WWK 222 have a smart element?\u003c\/h3\u003e\n\u003cp\u003eNo. The standard WWK 222 does not include the 1.7 kW smart element. The smart element is included in the WWK 222H model.\u003c\/p\u003e\n\u003ch3\u003eWhat size is the Stiebel Eltron WWK 222?\u003c\/h3\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 has a cylinder capacity of 220L.\u003c\/p\u003e\n\u003ch3\u003eWhat is the article number?\u003c\/h3\u003e\n\u003cp\u003eThe listed article number for the standard WWK 222 is 231209.\u003c\/p\u003e\n\u003ch3\u003eWhat refrigerant does it use?\u003c\/h3\u003e\n\u003cp\u003eThe Stiebel Eltron WWK 222 uses R134a refrigerant with a listed refrigerant capacity of 0.85 kg.\u003c\/p\u003e\n\u003ch3\u003eWhat is the COP?\u003c\/h3\u003e\n\u003cp\u003eThe listed seasonal COP is 3.94.\u003c\/p\u003e\n\u003ch3\u003eWhat is the maximum operating pressure?\u003c\/h3\u003e\n\u003cp\u003eThe listed maximum permissible operating pressure is 850 kPa.\u003c\/p\u003e\n\u003ch3\u003eCan it be installed outside?\u003c\/h3\u003e\n\u003cp\u003eYes. The WWK 222 can be installed outdoors where suitable clearances, drainage, access and installation requirements are met.\u003c\/p\u003e\n\u003ch3\u003eCan it be installed indoors?\u003c\/h3\u003e\n\u003cp\u003eYes. Indoor installation may be possible where the minimum space, ventilation, drainage and installation requirements are met. Stiebel Eltron lists a minimum indoor space requirement of 13m³.\u003c\/p\u003e\n\u003ch3\u003eWhat outdoor clearance is required?\u003c\/h3\u003e\n\u003cp\u003eStiebel Eltron lists an outdoor clearance requirement of 500 mm either side of the grille. The installation guide should be checked for full requirements.\u003c\/p\u003e\n\u003ch3\u003eWhat are the dimensions?\u003c\/h3\u003e\n\u003cp\u003eThe listed height is 1553–1569 mm with adjustable feet and the listed diameter is 690 mm.\u003c\/p\u003e\n\u003ch3\u003eWhat does it weigh?\u003c\/h3\u003e\n\u003cp\u003eThe listed empty weight is 120 kg. Filled weight is approximately 340 kg.\u003c\/p\u003e\n\u003ch3\u003eWhat is the sound level?\u003c\/h3\u003e\n\u003cp\u003eThe listed sound pressure level is 45 dB(A) at 1 m.\u003c\/p\u003e\n\u003ch3\u003eDoes it have active defrost?\u003c\/h3\u003e\n\u003cp\u003eYes. The WWK 222 includes active defrost to assist operation in cold climates.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with solar PV?\u003c\/h3\u003e\n\u003cp\u003eYes. The WWK 222 can be connected with solar PV systems where configured correctly.\u003c\/p\u003e\n\u003ch3\u003eCan it run on off-peak power?\u003c\/h3\u003e\n\u003cp\u003eYes. It can operate on off-peak power where available and where the installation is suitable.\u003c\/p\u003e\n\u003ch3\u003eIs electrical work included?\u003c\/h3\u003e\n\u003cp\u003eNo. Electrical work is not included unless separately quoted.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable for hard water areas?\u003c\/h3\u003e\n\u003cp\u003eStiebel Eltron states the WWK range is suitable for hard or soft water areas with a maintenance-free impressed current anode.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable for replacing an old electric hot water system?\u003c\/h3\u003e\n\u003cp\u003eYes. It may be suitable for replacing an old electric storage hot water system provided the site has suitable space, airflow, drainage, electrical supply, water pressure and installation access.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the WWK 222 and WWK 222H?\u003c\/h3\u003e\n\u003cp\u003eThe WWK 222 is the standard 220L heat pump model. The WWK 222H adds a 1.7 kW smart element to assist hot water recovery during higher usage.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the WWK 222 and WWK 302?\u003c\/h3\u003e\n\u003cp\u003eThe WWK 222 has a 220L cylinder while the WWK 302 has a 302L cylinder. The WWK 302 may suit larger households or higher hot water demand.\u003c\/p\u003e\n\u003ch3\u003eIs it eligible for rebates?\u003c\/h3\u003e\n\u003cp\u003eIt may be eligible for STCs or other incentives depending on the product, installation, location and current program rules. Eligibility should be checked before purchase and should not be treated as guaranteed.\u003c\/p\u003e\n\u003ch3\u003eWhat warranty does it have?\u003c\/h3\u003e\n\u003cp\u003eStiebel Eltron warranty terms can vary by product and documentation version. Current warranty details should be checked before purchase.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Installed Today","offers":[{"title":"QLD Metro - Brisbane, Gold Coast, Sunshine Coast, Toowoomba","offer_id":51407309635898,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"QLD Regional - Mackay, Rockhampton, Townsville, Cairns","offer_id":51407309668666,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"NSW - Sydney, Newcastle, Coffs Harbour, Wollongong, Albury","offer_id":51407309701434,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"VIC - Melbourne, Geelong","offer_id":51407309734202,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"SA - Adelaide","offer_id":51407309766970,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"WA - Perth","offer_id":51407309799738,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"ACT - Canberra","offer_id":51407309832506,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true},{"title":"National - Customer arranging own transport - System delivered to your carrier of choice in Brisbane","offer_id":51407309865274,"sku":null,"price":3439.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/4963\/8458\/files\/stiebel-eltron-wwk222-heat-pump-hot-water-system-836255.webp?v=1749277408","url":"https:\/\/hotwateroutlet.com.au\/products\/stiebel-eltron-wwk220-heatpump","provider":"Hot Water Outlet","version":"1.0","type":"link"}