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Stiebel Eltron WWK302H Heat Pump Hot Water System

Was $4,799.00, Now $3,849.00
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Add a Valve Kit1 option
AVG Quickie Installation Kit 15RCV
AVG Quickie Installation Kit 15RCV
$249.00
Purchase Valves Individually 12 options
AVG Quickie Installation Kit 15RCV
AVG Quickie Installation Kit 15RCV
$249.00
Duo Valve 15mm (Female)
Duo Valve 15mm (Female)
$49.00
Duo Valve 15mm (Male x Male)
Duo Valve 15mm (Male x Male)
$49.00
Expansion Control Valve (ECV) 1000kPa
Expansion Control Valve (ECV) 1000kPa
$79.00
Expansion Control Valve (ECV) 1200kPa
Expansion Control Valve (ECV) 1200kPa
$79.00
Expansion Control Valve (ECV) 600kPa
Expansion Control Valve (ECV) 600kPa
$79.00
Expansion Control Valve (ECV) 700kPa
Expansion Control Valve (ECV) 700kPa
$79.00
Expansion Control Valve (ECV) 850kPa
Expansion Control Valve (ECV) 850kPa
$79.00
Pressure Limiting Valve 15mm (Female)
Pressure Limiting Valve 15mm (Female)
$89.00
Pressure Limiting Valve 15mm (Male)
Pressure Limiting Valve 15mm (Male)
$89.00
Tempering Valve 15mm
Tempering Valve 15mm
$109.00
Tempering Valve 15mm (High Performance)
Tempering Valve 15mm (High Performance)
$149.00
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15mm Copper Tube
15mm Copper Tube
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15mm Insulation
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15mm Brass Compression Male Line
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15mm Brass Compression Union
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15mm Brass Compression x Female Elbow
15mm Brass Compression x Female Elbow
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15mm Brass Compression x Male Elbow
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15mm Brass Hex Nipple
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20mm Brass Compression Union
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15mm Copper Water Press Joiner
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20mm Copper Water Press Joiner
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20mm Copper Water Press Male Line
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600mm Flat Concrete Support Base
600mm Flat Concrete Support Base
$99.00
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600mm Rippled Concrete Support Base
$99.00
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Plastic Support Base (Pizza)
$70.00
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Loxeal
Loxeal
$50.00
PTFE Thread Tape
PTFE Thread Tape
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Quick Specs & Benefits

  • Recommended Household Size: Suitable for larger households (5-6 people)
  • Make: Stiebel Eltron
  • Model: wwk302h
  • Volume: 300L
  • Maximum Warranty: 5 years
  • Height: 1905 mm
  • Width: 690 mm
  • Noise Level: 45 dB
  • Made In: Slovakia
  • Main Cylinder Material: Steel
Supply-only hot water systems available to eligible delivery areas
$25 flat rate standard shipping for eligible supply-only orders
90% of hot water orders delivered within 2 business days
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Stiebel Eltron WWK 302H 302L Heat Pump Hot Water System

The Stiebel Eltron WWK 302H 302L Heat Pump Hot Water System is available from Hot Water Outlet as a supply-only heat pump hot water unit or as a supply and installation package in selected Brisbane, Gold Coast, Sydney and Melbourne service areas, where available.

Choose the supply-only option if you already have a licensed plumber and electrician arranged, or review available installation package options before checkout to confirm site suitability, airflow clearances, drainage, water pressure, electrical requirements, valve kit requirements and installation access conditions.

The Stiebel Eltron WWK 302H is the larger H-model version in the WWK heat pump hot water range. It combines a larger 302L storage cylinder with a built-in 1.7 kW smart element designed to assist hot water recovery during heavier household usage.

With active defrost, solar PV compatibility, quiet compressor operation and a maintenance-free impressed current anode, the WWK 302H may suit larger households wanting a premium heat pump hot water system with additional recovery support.


About the Stiebel Eltron WWK 302H 302L

The Stiebel Eltron WWK 302H uses heat pump technology to capture heat from surrounding air and transfer that energy into stored hot water.

Compared with a conventional electric storage hot water system, a heat pump system may help reduce electricity consumption depending on climate conditions, installation quality, operating configuration and household hot water demand.

The larger 302L capacity may suit:

  • larger households

  • family homes

  • homes with higher hot water usage

  • properties upgrading from older electric storage systems

  • households wanting more stored hot water capacity than a WWK 222H

Suitability depends on shower usage, tariff setup, climate conditions, installation quality and overall household demand.

The key feature of the WWK 302H is the built-in 1.7 kW smart element designed to assist recovery during higher periods of hot water usage.


Buy Stiebel Eltron WWK 302H Supply Only

You can order the Stiebel Eltron WWK 302H supply only from Hot Water Outlet if you already have a licensed plumber and electrician arranged for installation.

The listed product price is for the unit only unless an installation package is selected separately.

Installation, electrical work, pipework changes, valve kits, pressure limiting valves, condensate drainage, tray requirements, old system removal, disposal, compliance upgrades and base preparation are not included unless separately quoted or selected as part of an available installation package.

Common search terms related to this model include:

  • Stiebel Eltron WWK 302H price

  • Stiebel Eltron WWK 302H heat pump

  • Stiebel Eltron 233211 heat pump

  • 302L heat pump hot water system

  • WWK 302H hot water heat pump

  • Stiebel Eltron heat pump with smart element

  • Solar PV compatible heat pump

  • Stiebel Eltron WWK 302H supply only

  • Stiebel Eltron WWK 302H installed Brisbane

  • Stiebel Eltron WWK 302H installed Gold Coast

  • Stiebel Eltron WWK 302H installed Sydney

  • Stiebel Eltron WWK 302H installed Melbourne


Stiebel Eltron WWK 302H Supplied and Installed

The Stiebel Eltron WWK 302H may be available with supply and installation packages in selected Brisbane, Gold Coast, Sydney and Melbourne service areas.

Installed-from pricing is based on a standard installation setup together with the selected product. Final installation pricing can vary depending on access, electrical requirements, drainage requirements, existing plumbing conditions and overall site suitability.

Additional costs may apply for:

  • Valve kit replacement

  • Old hot water system removal

  • Disposal

  • Electrical upgrades

  • Circuit changes

  • Pipework alterations

  • Condensate drainage

  • Base or tray requirements

  • Pressure limiting valves

  • Difficult access

  • Indoor ventilation requirements

  • Outdoor clearance issues

  • Relocation of the hot water system

  • Non-compliant existing installations

Installation suitability should be checked before installation.


Stiebel Eltron WWK 302H Installation in Brisbane

Hot Water Outlet can assist Brisbane customers wanting the Stiebel Eltron WWK 302H as either a supply-only heat pump hot water system or a supplied and installed package where available.

This model may suit Brisbane homes replacing older electric storage systems where the household wants:

  • larger hot water storage capacity

  • additional recovery support

  • solar PV compatibility

  • active defrost operation

  • quieter compressor performance

Before installation, airflow, drainage, electrical supply, water pressure, access, base support and compliance requirements should be checked.


Stiebel Eltron WWK 302H Installation in Gold Coast

Gold Coast homeowners, landlords, renovators and property managers can order the Stiebel Eltron WWK 302H through Hot Water Outlet for supply only or supply and installation where available.

The WWK 302H may suit:

  • larger family homes

  • coastal homes

  • investment properties

  • homes with higher hot water demand

  • properties wanting larger-capacity heat pump storage with smart element recovery support

Final installation suitability depends on airflow, drainage, electrical setup, pressure requirements, access conditions and whether additional labour or components are required.


Stiebel Eltron WWK 302H Installation in Sydney

Selected Sydney customers can order the Stiebel Eltron WWK 302H through Hot Water Outlet as either a supply-only unit or with installation options where available.

This larger-capacity H-model heat pump may suit Sydney households wanting:

  • increased hot water storage

  • stronger recovery support

  • solar PV compatibility

  • energy-efficient hot water technology

  • a premium electric storage replacement

Installation conditions should be checked before installation, particularly for ventilation, drainage, apartment access and airflow clearances.


Stiebel Eltron WWK 302H Installation in Melbourne

Melbourne customers can order the Stiebel Eltron WWK 302H from Hot Water Outlet as either a supply-only heat pump or a supplied and installed package in selected metro areas.

With active defrost functionality and operation down to colder ambient temperatures, the WWK 302H may suit Melbourne homes wanting a larger-capacity heat pump hot water system designed for varying climate conditions.

Before installation, airflow, clearance, drainage, electrical supply and access conditions should be checked.


Is the Stiebel Eltron WWK 302H Right for Your Home?

This system may suit you if:

  • You want a 302L heat pump hot water system

  • Your household has higher hot water usage

  • You are replacing an electric storage hot water system

  • You want more stored hot water capacity than a WWK 222H

  • You want the H-model with a 1.7 kW smart element

  • You want stronger recovery support than the standard WWK 302

  • You want active defrost functionality

  • You want solar PV compatibility

  • You want a heat pump suitable for hard or soft water areas

  • You have suitable airflow and installation space

  • You have suitable electrical provision or can arrange electrical upgrades

  • You want supply-only or supply and installation options

Additional work may be required if:

  • The system is being relocated

  • Existing valves are non-compliant

  • Electrical upgrades are required

  • Drainage changes are needed

  • Pressure limiting valves are required

  • Indoor ventilation is insufficient

  • Outdoor clearances are restricted

  • Access is difficult

  • The existing system requires removal and disposal

  • The installation area does not suit the larger dimensions or filled weight

  • Your household may be better suited to a different capacity or system type


Key Features of the Stiebel Eltron WWK 302H

  • 302L heat pump hot water system

  • Article number 233211

  • H-model with 1.7 kW smart element

  • Smart element assists recovery during higher hot water usage

  • Designed for Australian conditions

  • Made in Europe

  • Uses ambient air heat for hot water production

  • Suitable for hard or soft water areas

  • Maintenance-free impressed current anode

  • Active defrost functionality

  • Operating temperature range of -5°C to +42°C

  • Solar PV compatible

  • Suitable for off-peak power where available

  • Heat pump power consumption of 0.55 kW

  • Seasonal COP of 3.58

  • Up to 540L of 40°C shower temperature water

  • Indoor or outdoor installation where suitable

  • Sound pressure level of 45 dB(A) at 1 metre

  • WaterMark approved


Quick Specifications

Specification Details
Brand Stiebel Eltron
Product WWK 302H 302L Heat Pump Hot Water System
Article Number 233211
System Type Heat pump storage hot water
Tank Capacity 302L
Model Type H-model
Smart Element Yes
Smart Element Power 1.7 kW
COP 3.58 seasonal average
Voltage 240 V
Rated Current 10 A
Refrigerant R134a
Refrigerant Capacity 0.85 kg
Maximum Operating Pressure 850 kPa
Air Flow Rate 550 m³/h
Sound Level 45 dB(A) at 1 m
Height 1921–1937 mm
Diameter 690 mm
Empty Weight 135 kg
Filled Weight Approximately 437 kg
Installation Indoor or outdoor where suitable
Minimum Indoor Space 13m³
Outdoor Clearance 500 mm either side of grille
Approvals WaterMark Lic No. WMKA00301

Heat Pump Hot Water Technology

The Stiebel Eltron WWK 302H uses heat pump technology to generate domestic hot water using heat captured from surrounding air.

Instead of relying primarily on direct electric heating, the system transfers ambient heat into stored water inside the cylinder.

Actual performance depends on:

  • ambient temperature

  • installation quality

  • airflow

  • operating settings

  • household demand

  • tariff configuration

  • usage patterns


H-Model Smart Element Recovery Support

The WWK 302H includes a built-in 1.7 kW smart element positioned near the upper section of the cylinder.

During heavier periods of hot water demand, the smart element can assist the heat pump by heating approximately the upper portion of stored water.

This recovery support is the key difference between the WWK 302H and the standard WWK 302.

Households wanting stronger recovery assistance may prefer the H-model.


Efficient Heat Pump Performance

The WWK 302H has a listed seasonal COP of 3.58.

COP measures heat output relative to electrical input under controlled testing conditions.

Real-world efficiency depends on installation conditions, climate, airflow, usage patterns and household demand.


Active Defrost Operation

The WWK 302H includes active defrost functionality to assist operation during colder weather conditions.

When frost develops on the evaporator, the defrost cycle helps clear frost build-up so the system can continue operating normally.

This supports operation down to a listed ambient temperature of -5°C.


Solar PV Compatibility

The Stiebel Eltron WWK 302H may be connected with compatible solar PV systems where configured correctly.

Depending on inverter setup and electrical configuration, solar integration may help households use more self-generated solar electricity for hot water production.

Solar compatibility should be checked before installation.


Indoor and Outdoor Installation

The WWK 302H may be installed indoors or outdoors where suitable.

Indoor installations require sufficient ventilation and airflow.

Outdoor installations require:

  • suitable drainage

  • weather exposure suitability

  • airflow clearances

  • access

  • base support

Stiebel Eltron lists a minimum outdoor clearance requirement of 500 mm either side of the grille.


Water Pressure and Drainage Requirements

The WWK 302H has a listed maximum permissible operating pressure of 850 kPa.

Water pressure should be checked before installation. Pressure limiting valves may still be required depending on site conditions and existing plumbing.

Heat pump systems also produce condensate during normal operation, requiring suitable drainage arrangements.

Additional plumbing or drainage work may apply depending on the installation setup.


STCs and Rebates

Heat pump hot water systems may be eligible for STCs or government incentive programs depending on:

  • installation location

  • installer eligibility

  • installation date

  • current program rules

Eligibility and rebate values can change and should be confirmed before purchase.

Rebates should not be treated as guaranteed unless confirmed during the installation process.


WWK 302 vs WWK 302H

The WWK 302 is the standard non-H model, while the WWK 302H includes a 1.7 kW smart element designed to assist hot water recovery.

The WWK 302H may suit households wanting:

  • stronger recovery support

  • larger stored capacity

  • higher-demand performance

The standard WWK 302 may still suit households not requiring smart element recovery assistance.


WWK 222H vs WWK 302H

The WWK 222H uses a 220L cylinder, while the WWK 302H uses a larger 302L cylinder.

The WWK 302H may suit:

  • larger households

  • homes with higher hot water demand

  • families wanting increased stored capacity

Both models include the H-model smart element recovery support feature.


WWK 302H vs Standard Electric Storage Hot Water

Traditional electric storage systems rely primarily on direct electric elements to heat water.

The WWK 302H instead uses heat pump technology as the primary heat source together with a 1.7 kW smart element for recovery support.

This may suit homeowners wanting:

  • lower electricity consumption potential

  • solar PV compatibility

  • stronger recovery performance

  • larger-capacity hot water storage

Standard electric storage systems may still suit properties where:

  • airflow is limited

  • space is restricted

  • drainage is difficult

  • electrical upgrades are impractical


Common Uses

Common applications for the Stiebel Eltron WWK 302H include:

  • Electric storage hot water replacement

  • Heat pump hot water upgrades

  • 302L hot water system replacement

  • Larger households

  • Family homes

  • Higher hot water usage properties

  • Homes needing additional recovery support

  • Homes with solar PV

  • Off-peak tariff households

  • Investment properties

  • Renovation projects

  • Energy-efficient hot water upgrades

  • Supply-only orders with existing licensed installers

  • Supply and installation projects in selected metro areas

Suitability depends on household demand, airflow, drainage, plumbing condition, electrical supply and installation compliance requirements.


Why Order From Hot Water Outlet?

Hot Water Outlet makes it easier to compare and order the Stiebel Eltron WWK 302H as either a supply-only unit or a supplied and installed heat pump hot water system where available.

Customers can choose supply only if they already have licensed installers arranged, or request assistance arranging installation quotations in selected metro service areas.

Benefits of ordering through Hot Water Outlet may include:

  • Supply-only or supply and installation options

  • Brisbane, Gold Coast, Sydney and Melbourne service coverage

  • Installed-from pricing shown separately from product pricing

  • Product comparison information

  • Optional installation add-ons where suitable

  • Metro delivery availability

  • Clear separation between product and installation costs

  • Assistance arranging licensed installation services


Frequently Asked Questions

Can I buy the Stiebel Eltron WWK 302H supply only?

Yes. The WWK 302H can be ordered supply only if you already have a licensed plumber and electrician arranged.

Is installation included in the product price?

No. Installation is not included unless separately quoted or selected as part of an available installation package.

Is this the WWK 302H model?

Yes. This page is for the Stiebel Eltron WWK 302H H-model with the 1.7 kW smart element.

What is the difference between WWK 302 and WWK 302H?

The WWK 302 is the standard non-H model. The WWK 302H includes a 1.7 kW smart element designed to assist recovery during higher hot water usage.

Can the WWK 302H be installed in Brisbane?

Supply and installation may be available in selected Brisbane service areas subject to availability and site suitability.

Can the WWK 302H be installed in Gold Coast?

Yes. Selected Gold Coast installation areas may be available depending on scheduling and installation conditions.

Can the WWK 302H be installed in Sydney?

Supply and installation may be available in selected Sydney metro areas where suitable installation services are available.

Can the WWK 302H be installed in Melbourne?

Yes. Selected Melbourne service areas may be available subject to installer availability and site suitability.

What size is the WWK 302H?

The WWK 302H has a rated storage capacity of 302L.

Does the WWK 302H include a smart element?

Yes. The WWK 302H includes a built-in 1.7 kW smart element for additional recovery support.

What refrigerant does the WWK 302H use?

The WWK 302H uses R134a refrigerant with a listed refrigerant charge of 0.85 kg.

What is the COP?

The listed seasonal COP is 3.58.

What outdoor clearance is required?

Stiebel Eltron lists a 500 mm clearance requirement either side of the grille for outdoor installations.

Can the WWK 302H work with solar PV?

Yes. The WWK 302H may be configured with compatible solar PV systems depending on installation setup.

Can it operate on off-peak power?

Yes. The system may operate on off-peak tariffs where available and where configured appropriately.

Is it suitable for hard water areas?

Stiebel Eltron states the WWK range includes a maintenance-free impressed current anode suitable for hard or soft water areas.

Is the WWK 302H eligible for rebates?

The system may be eligible for STCs or other government incentives depending on installation eligibility and current program rules.

Eligibility should be checked before purchase.

    * Requested element size may come delivered separately to system for electric systems - All units supplied with factory with 3.6kW

    **Where a unit supplied is capable of supplying more than 50°C, a tempering valve must be installed on the property or purchased as part of a valve kit with your order.

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