Vulcan Duomax 50L Electric Storage Hot Water System
Buy the Vulcan Duomax 50L Electric Storage Hot Water System online from Hot Water Outlet, with fast delivery available across Australia and same day delivery available in select metro areas on eligible orders.
The Vulcan Duomax 50L is a compact electric storage water heater designed for small spaces, low hot water demand, apartments, kitchens, offices, studios, granny flats and single-person use. With 50L hot water delivery, a 3.6 kW single element, dual handed connections and a vitreous enamel lined cylinder, it is a practical supply-only replacement option where a larger household hot water system is not required.
Hot Water Outlet supplies hot water systems, valves, pipework, fittings, connections, spare parts and accessories across Australia, making it easier to order the unit and related hot water parts in one place.
About the Vulcan Duomax 50L Electric Water Heater
The Vulcan Duomax 50L is a small electric storage hot water system that heats and stores water inside a vitreous enamel lined cylinder.
It is designed for low-demand hot water applications, making it suitable for compact homes, kitchenettes, small offices, apartments, studios and cupboard-style installations where there is suitable access to the water connections.
The 50L size is generally suited to a maximum of 1 person, depending on usage, climate, shower duration, water temperature, outlet flow rates and tariff setup. It is not intended for larger households, multiple bathrooms or high simultaneous hot water demand.
Buy Vulcan Duomax 50L Supply Only
Hot Water Outlet sells the Vulcan Duomax 50L Electric Storage Hot Water System as a supply-only product for customers across Australia.
The product price is for the hot water system only. Installation, old system removal, disposal, valve kits, electrical work, plumbing alterations, pipework changes, pressure control, base or tray requirements and compliance upgrades are not included unless clearly stated on the product page or selected separately.
Supply only is best for customers who already have a licensed plumber and electrician arranged, or who want to order the unit online and organise installation separately.
Before ordering, confirm the model, size, tariff requirement, electrical setup, water pressure, connection layout, delivery access and installation requirements with your licensed installer.
Fast Delivery Across Australia
Hot Water Outlet supplies electric hot water systems, valves, fittings, pipework, spares and accessories across Australia.
Fast delivery is available on eligible stocked products, with same day delivery available in select metro areas depending on stock, order time, product size and delivery location.
The Vulcan Duomax 50L is a compact electric storage system, but delivery and access should still be checked before ordering. Consider cupboard access, stairs, narrow side paths, unit complexes, loading zones, tight laundries and whether someone will be available to receive the delivery.
Is the Vulcan Duomax 50L Right for Your Home?
The Vulcan Duomax 50L may suit customers who need a small electric storage hot water system for low-demand use.
It may be suitable if:
You want a compact 50L electric storage hot water system
You are replacing an existing small electric water heater
You need hot water for a kitchen, office, studio, apartment or low-demand area
Your property has limited hot water demand
You want a single element electric water heater
You need dual handed connections for replacement flexibility
You want a vitreous enamel lined cylinder
You need a system suitable for indoor or outdoor installation where compliant
You have suitable access, water pressure, drainage and installation space
You have a suitable continuous tariff electrical connection or can arrange electrical work
You already have a licensed plumber and electrician arranged
It may not be suitable without extra checks if:
The household needs more capacity than 50L
The system is being moved to a new location
Existing valves are old, missing or unsuitable
Electrical upgrades are required
The existing circuit does not suit a 3.6 kW element
The property is set up for a different tariff arrangement
Drainage or safe tray requirements apply
The system is installed in a cupboard with restricted access
Water pressure control is required
Pipework changes are needed
The old system needs removal or disposal
The location does not suit the tank size, weight or service access
Key Features
50L electric storage hot water system
Vulcan Duomax range
Manufacturer part number: 6D1050G7
Vulcan product reference: 691050G7
Tradelink product code: 309867
3.6 kW single element
Lead free model listing
50L hot water delivery
Generally suited to a maximum of 1 person, depending on usage
Vitreous enamel lined cylinder
Dual handed water connections
Suitable for internal and external installation where compliant
Requires connection to continuous tariff
Rp 3/4 hot water connections
850 kPa ECV setting
680 kPa maximum water supply pressure with ECV
800 kPa maximum water supply pressure without ECV
1000 kPa relief valve pressure
24 kg empty weight
26 kg shipped weight
695 mm high x 400 mm wide x 436 mm deep
WaterMark approved
7 year cylinder warranty and 12 months parts and labour listed in product specification, subject to current warranty terms
Quick Specs
Brand: Vulcan
Range: Duomax
Product: Vulcan Duomax 50L Electric Water Heater
Product Code: 691050G7
Manufacturer Part Number: 6D1050G7
Tradelink Product Code: 309867
System Type: Electric storage hot water
Fuel Type: Electric
Tank Volume / Hot Water Delivery: 50L
Recommended Household Size: Maximum 1 person, depending on usage
Installation Type: Internal or external where suitable
Element Type: Single element
Element Rating: 3.6 kW
Tariff Requirement: Continuous tariff
Cylinder Type: Vitreous enamel lined cylinder
Connections: Dual handed
Water Connections: Rp 3/4
ECV Setting: 850 kPa
Maximum Water Supply Pressure with ECV: 680 kPa
Maximum Water Supply Pressure without ECV: 800 kPa
Relief Valve Pressure: 1000 kPa
Dimensions: 695 mm high x 400 mm wide x 436 mm deep
Tank Diameter / Width: 400 mm
Weight Empty: 24 kg
Weight Shipped: 26 kg
Lead Free: Yes
WaterMark: Yes
Warranty: 7 year cylinder warranty and 12 months parts and labour listed in product specification, subject to current warranty terms
Vitreous Enamel Lined Cylinder
The Vulcan Duomax 50L uses a vitreous enamel lined cylinder.
This lining helps protect the inside of the cylinder from water contact and supports long-term storage performance when the system is installed and maintained correctly.
Water quality, pressure control, correct valve selection, anode maintenance and compliant installation all play an important role in the service life of any electric storage water heater.
Compact 50L Storage Capacity
The 50L capacity makes this Vulcan Duomax model suitable for small hot water demand.
It may suit apartments, small kitchens, office amenities, studios, low-use wash areas and single-person applications where a full-size household hot water system is not needed.
It is not the best choice for larger families, multiple bathrooms, long showers, baths, high laundry demand or homes with multiple people using hot water at the same time.
Single 3.6 kW Element
The Vulcan Duomax 50L uses a single 3.6 kW electric element.
This provides electric storage heating for the tank and is designed for connection to a continuous tariff.
Electrical suitability should be checked before ordering or installation. Electrical work, circuit changes, isolator upgrades and compliance upgrades are not included in the supply-only product price.
Continuous Tariff Requirement
The Vulcan 50L electric water heater is listed as requiring connection to continuous tariff.
This is important because small-capacity electric systems need reliable reheating availability. Tariff setup should be checked before ordering, especially if replacing an older hot water unit connected to a different electrical supply arrangement.
If you are specifically looking for an off-peak electric storage system, a larger model may be more suitable depending on hot water usage and electrical setup.
Indoor or Outdoor Installation Suitability
The Vulcan Duomax 50L is suitable for internal or external installation where the location meets the required plumbing, drainage, access, electrical and compliance requirements.
For indoor or cupboard installations, safe tray, drainage, service access, ventilation and leak protection requirements should be checked before installation.
For outdoor installation, the system location must be suitable for weather exposure, service access, plumbing connections, base support and electrical compliance.
Dual Handed Connections
The Vulcan Duomax 50L is listed with dual handed connections.
Dual handed connections can make like-for-like replacement easier because the system offers more connection flexibility than single-sided models.
This can be useful when replacing older small electric water heaters, especially in cupboards or tight locations where pipework alignment matters.
Water Pressure Requirements
The Vulcan Duomax 50L has an ECV setting of 850 kPa, maximum water supply pressure of 680 kPa with ECV, maximum water supply pressure of 800 kPa without ECV and relief valve pressure of 1000 kPa.
If incoming water pressure is too high, pressure control may be required. Valve requirements should be checked before installation, especially when replacing older systems where existing valves may be worn, missing or non-compliant.
Lead Free Model Listing
The Tradelink listing identifies this model as a lead free Duomax 50L electric water heater.
Lead free product listings are becoming increasingly important in plumbing product selection. Final suitability should still be confirmed against the product supplied, local requirements and the installer’s compliance checks.
Delivery and Access Considerations
The Vulcan Duomax 50L is compact compared with larger 125L, 160L, 250L, 315L and 400L electric storage systems, but it still requires suitable access for delivery, positioning and installation.
Before ordering, check whether the delivery location can safely accept the unit. Cupboard spaces, stairs, tight access, apartment buildings, laundry spaces and difficult delivery paths can affect delivery and installation planning.
Vulcan Duomax 50L vs Larger Electric Storage Systems
The Vulcan Duomax 50L is designed for low hot water demand. It is much smaller than common household electric storage systems such as 125L, 160L, 250L or 315L models.
Choose the 50L model where the property only needs limited hot water, such as a small apartment, kitchenette, office, studio or single-person low-use application.
A larger electric storage system may be more suitable for family homes, multiple showers, baths, laundry-heavy use or higher daily hot water demand.
Vulcan Duomax 50L vs Instant Electric Hot Water
The Vulcan Duomax 50L stores heated water in a small tank, while an instant electric system heats water as it flows through the unit.
A 50L storage unit may suit customers wanting a small stored hot water supply with straightforward electric storage operation.
Instant electric systems may suit specific low-flow or point-of-use applications, but they often have higher electrical demand and may require more substantial electrical work.
The best option depends on the property, available power supply, flow requirements, hot water usage and installation location.
Common Uses
Small electric hot water system replacement
Kitchen hot water
Office hot water
Apartment hot water
Studio or granny flat hot water where demand is low
Cupboard installations with suitable access
Low-demand commercial amenities
Single-person hot water use
Compact electric storage replacement
Supply-only orders where a licensed installer is already arranged
Suitability depends on hot water usage, tariff setup, installation location, plumbing condition, electrical supply, water pressure, access, drainage and compliance requirements.
Valves, Fittings and Parts to Check Before Ordering
A compact electric storage hot water system may require more than the main tank. Depending on your existing setup and installer requirements, compatible valves, pipework, fittings or accessories may also be needed.
Check whether your installer requires:
Tempering valve
PTR valve
Expansion control valve
Pressure limiting valve
Isolation valve
Non-return valve
Duo valve
Hot water connection kit
Copper or braided connections where suitable
Pipework fittings
Drainage parts
Safe tray for indoor or cupboard installation
Base or support requirements
Electrical connection parts
Anode option suitable for local water conditions
Hot Water Outlet also sells hot water valves, connections, spare parts and accessories, making it easier to order the system and related products in one place.
Why Buy From Hot Water Outlet?
Hot Water Outlet is focused on hot water supply across Australia. We sell hot water systems, valves, pipework, fittings, connections, spare parts and accessories online, with fast delivery options available on eligible products.
Buy from Hot Water Outlet for:
Supply-only hot water systems
Fast delivery across Australia
Same day delivery in select metro areas on eligible orders
Electric, gas, heat pump and instant hot water products
Hot water valves, pipework and fittings
Spare parts and accessories
Clear product information
Online ordering for homeowners, trades, landlords and property managers
Hot water products from trusted brands like Vulcan
Hot Water Outlet does not install hot water systems directly. If you need help with installation, we may be able to help organise a quote from a reputable installer where available, or you can arrange your own licensed plumber and electrician.
Frequently Asked Questions
Can I buy the Vulcan Duomax 50L supply only?
Yes. Hot Water Outlet sells the Vulcan Duomax 50L as a supply-only electric hot water system. The product price is for the unit only and does not include installation, valve kits, old system removal, disposal, electrical work, pipework changes or compliance upgrades unless clearly stated.
What size is the Vulcan Duomax 50L?
The Vulcan Duomax 50L has 50L hot water delivery.
How many people is the Vulcan Duomax 50L suitable for?
It is generally suited to a maximum of 1 person, depending on shower length, outlet flow rates, water temperature, climate, tariff setup and usage patterns.
What is the element size?
The Vulcan Duomax 50L has a 3.6 kW single element.
Is it single element or twin element?
This model is listed as a single element electric water heater.
Can it be installed indoors?
Yes, it can be installed indoors where the location meets access, drainage, plumbing, electrical and compliance requirements. Indoor or cupboard installations may require safe tray, drainage and leak protection provisions.
Can it be installed outdoors?
Yes, it can be installed outdoors where the location is suitable and compliant. The base, weather exposure, service access, pipework and electrical requirements should be checked before installation.
Is it suitable for cupboard installation?
Yes, it may suit cupboard installations where there is suitable access to the water connections and the location meets installation requirements. Access, drainage, ventilation and safe tray requirements should be checked before ordering.
Does it require continuous tariff?
Yes. Vulcan lists this 50L electric water heater as requiring connection to continuous tariff.
What are the dimensions?
The listed dimensions are 695 mm high x 400 mm wide x 436 mm deep.
What does it weigh?
The listed empty weight is 24 kg and the shipped weight is 26 kg.
What are the water connections?
The listed water connections are Rp 3/4.
What is the ECV setting?
The listed ECV setting is 850 kPa.
What is the maximum water supply pressure?
The listed maximum water supply pressure is 680 kPa with ECV and 800 kPa without ECV.
What is the relief valve pressure?
The listed relief valve pressure is 1000 kPa.
Is it lead free?
The Tradelink listing identifies this model as lead free.
What is the manufacturer part number?
The manufacturer part number is 6D1050G7.
What is the Vulcan product code?
The Vulcan product reference is 691050G7.
What is the Tradelink product code?
The Tradelink product code is 309867.
Does it have dual handed connections?
Yes. The Vulcan Duomax 50L is listed with dual handed connections.
Is it suitable for replacing an old small electric water heater?
Yes, it may suit like-for-like replacement of an older small electric storage water heater, provided the location, dimensions, connections, electrical supply, water pressure and compliance requirements are suitable.
Do I need new valves?
New valves may be required depending on the existing installation, valve age, pressure requirements and compliance needs. Ask your licensed installer to confirm whether you need a tempering valve, PTR valve, expansion control valve, pressure limiting valve or other hot water fittings.
Do I need a plumber and electrician?
Yes. A licensed plumber is required for hot water plumbing work, and a licensed electrician may be required to confirm or complete electrical work for the system.
Does Hot Water Outlet install this system?
Hot Water Outlet sells supply-only hot water systems and parts. We do not install hot water systems directly. If needed, we may be able to help organise a quote from a reputable installer where available.
Is same day delivery available?
Same day delivery may be available in select metro areas on eligible orders. Availability depends on stock, order time, product size and delivery location.
Do you deliver Australia wide?
Yes. Hot Water Outlet supplies hot water systems, valves, fittings, spares and accessories across Australia, with delivery options depending on stock, product size and location.
What warranty applies to the Vulcan Duomax 50L?
The product specification and trade listing show a 7 year cylinder warranty and 12 months parts and labour, subject to current warranty terms. Warranty details should be checked before purchase because terms can depend on model, installation and manufacturer conditions.
Order the Vulcan Duomax 50L Online
Order the Vulcan Duomax 50L Electric Storage Hot Water System online from Hot Water Outlet. With 50L hot water delivery, a 3.6 kW single element, dual handed connections, vitreous enamel lined cylinder and fast delivery options across Australia, it is a practical supply-only choice for customers replacing a compact electric storage hot water system.
