Vulcan Duomax 50L Electric Storage Hot Water System

The Vulcan Duomax 50L Electric Storage Hot Water System is available from Installed Today as a supply-only electric hot water unit or as a complete supply and install package in selected Brisbane and Gold Coast service areas, where available.

Choose the unit only if you already have a licensed plumber and electrician arranged, or check your supply and install package before checkout to confirm installation suitability, access, valve kit requirements, water pressure, electrical requirements, indoor or outdoor location and available installation timeframes.

The Vulcan Duomax 50L is a compact electric storage water heater designed for small spaces, low hot water demand, apartments, kitchens, offices, studios and single-person use. With a 50L hot water delivery, 3.6 kW single element, dual handed connections and vitreous enamel lined cylinder, it is a practical small electric hot water replacement where a larger household system is not required.

About the Vulcan Duomax 50L Electric Water Heater

The Vulcan Duomax 50L is a small electric storage hot water system that stores and heats 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 easy 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 with high simultaneous hot water demand.

Buy Vulcan Duomax 50L Supply Only

Buy the Vulcan Duomax 50L supply only if you already have a licensed plumber and electrician arranged for installation.

The product price is for the unit only. Installation, valve kits, old system removal, disposal, electrical work, pipework changes, pressure control, access changes, base or tray requirements and compliance upgrades are not included unless selected separately as add-ons or part of an available install package.

Common search terms this product suits include:

• Vulcan Duomax 50L price

• Vulcan 50L electric water heater

• Vulcan Duomax 50L electric hot water

• 6D1050G7 electric water heater

• 50L electric storage hot water system

• 3.6 kW electric hot water system

• Small electric hot water system

• Cupboard electric water heater

• Vulcan 50L supply only

Vulcan Duomax 50L Supplied and Installed in Brisbane & Gold Coast

The Vulcan Duomax 50L can be ordered with a supply and install option in selected Brisbane and Gold Coast service areas, where available.

The installed-from price is based on the product plus the selected standard installation option. Final pricing can vary depending on site conditions and any selected add-ons.

Extra work or add-ons may be required for:

• Valve kit replacement

• Old system removal

• Disposal

• Electrical work

• Circuit or isolator changes

• Pipework changes

• Water pressure control

• Base or tray requirements

• Cupboard access issues

• Restricted access

• Indoor drainage requirements

• Outdoor weather exposure requirements

• Relocation from the existing hot water position

• Non-compliant existing installation

Vulcan Duomax 50L Installation in Brisbane

Installed Today can help Brisbane customers order the Vulcan Duomax 50L as either a supply-only electric water heater or a supplied and installed package in selected service areas.

This model may suit Brisbane apartments, small homes, kitchens, offices, studios and low-use hot water points where a compact 50L electric storage system is required.

Before installation, the site should be checked for access, cupboard space, drainage, water pressure, electrical supply, valve condition, pipework, wall or floor positioning and compliance requirements.

Vulcan Duomax 50L Installation in Gold Coast

Gold Coast homeowners, landlords, renovators, small business owners and property managers can order the Vulcan Duomax 50L for supply only or supply and install where available.

This system may suit compact coastal apartments, small office kitchens, studio spaces, rental properties and low-demand hot water locations. Final installation suitability depends on existing plumbing, electrical supply, water pressure, access, location and whether any additional parts or labour are required.

Is the Vulcan Duomax 50L Right for Your Home?

This system may suit you 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, apartment, studio 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 easier replacement flexibility

• You want a vitreous enamel lined cylinder

• You have suitable access, water pressure, drainage and installation space

• You have a suitable electrical connection or can arrange electrical work

• You want the choice of supply only or supply and install

Extra work may be required if:

• The system is being moved to a new location

• Existing valves are old, missing or non-compliant

• Electrical upgrades are required

• The existing circuit does not suit the 3.6 kW element

• Drainage or safe tray requirements apply

• The system is installed in a cupboard with restricted access

• Water pressure control is required

• Pipework changes are required

• The old system needs removal or disposal

• The household needs more capacity than 50L

• The existing location does not suit the tank size, weight or service access

Key Features of the Vulcan Duomax 50L

• 50L electric storage hot water system

• Vulcan Duomax style

• 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 and installation compliance 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 is a practical option for compact installations where a full-size household hot water system is not needed.

It may suit apartments, small kitchens, office amenities, studios and low-use hot water points. It is not the best choice for larger families, multiple bathrooms or high-volume shower use.

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 installation. Electrical work, circuit changes, isolator upgrades or compliance upgrades are not included unless selected or arranged separately.

Internal or External Installation

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 and electrical compliance.

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.

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 installation, especially if replacing an older hot water unit connected to a different electrical supply arrangement.

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 units 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.

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 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 simple electric storage operation. Instant electric systems may suit specific low-flow applications but 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

• Supply and install orders in selected Brisbane and Gold Coast areas

Suitability depends on hot water usage, tariff setup, installation location, plumbing condition, electrical supply, water pressure, access, drainage and compliance requirements.

Why Order From Installed Today?

Installed Today makes it easier to order the Vulcan Duomax 50L as either a supply-only product or a supplied and installed package where available.

You can choose the unit only if you already have a licensed plumber and electrician arranged, or select an installation option in eligible Brisbane and Gold Coast service areas. Valve kits and installation add-ons can be selected online where required, helping you build a clearer product and installation pathway before checkout.

Benefits of ordering from Installed Today include:

• Supply-only or supply and install options

• Brisbane and Gold Coast service area support

• Installed-from pricing shown separately from the product price

• Compatibility checks before installation

• Product-specific information to help compare models

• Optional add-ons available where suitable

• Clear separation between unit price, installation and extras

• Suitable for customers with their own licensed installer

Frequently Asked Questions

Can I buy the Vulcan Duomax 50L supply only?

Yes. You can buy the Vulcan Duomax 50L as a supply-only unit if you already have a licensed plumber and electrician arranged.

Can I get the Vulcan Duomax 50L installed in Brisbane?

Yes, supply and install may be available in selected Brisbane service areas, depending on location, access, site conditions and installation availability.

Can I get the Vulcan Duomax 50L installed in Gold Coast?

Yes, supply and install may be available in selected Gold Coast service areas, subject to service coverage, site suitability and installation availability.

Is installation included in the product price?

No. The product price is for the unit only unless you select an installed option. Installation, valve kits, disposal, old system removal, electrical work, pipework changes and other extras are not included unless selected separately.

What size is the Vulcan Duomax 50L?

The Vulcan Duomax 50L has a 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, water temperature, climate, outlet flow rates 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.

Can it be installed outdoors?

Yes, it can be installed outdoors where the location is suitable and compliant.

Is it suitable for cupboard installation?

Yes, it may suit most cupboard installations where there is easy access to the water connections and the location meets installation requirements.

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.

Does it require continuous tariff?

Yes. Vulcan lists this 50L electric water heater as requiring connection to continuous tariff.

Is it lead free?

The Tradelink listing identifies this model as lead free.

What is the manufacturer part number?

The Tradelink listing shows the manufacturer part number as 6D1050G7.

What is the Vulcan product code?

The Vulcan product page lists product reference 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 be suitable for like-for-like replacement of an older small electric storage water heater, provided the location, connections, electrical supply, water pressure and compliance requirements are suitable.

What warranty does it have?

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 warranty terms can depend on model, installation and manufacturer conditions.

Tempering Valve and Element Information

*Element size information:
All electric hot water units are supplied as standard with a 3.6kW element unless otherwise stated on the product page, invoice, or order confirmation.

If a different element configuration is requested, such as 1.8kW or 2.4kW, the hot water unit may still arrive with the standard 3.6kW element fitted from the manufacturer. The requested 1.8kW or 2.4kW element will be supplied separately with the order for installation by a suitably licensed electrical contractor or licensed electrical licence holder.

Any element changeover, electrical connection, disconnection, wiring, testing, or modification must be carried out by a licensed electrical contractor or licensed electrical licence holder. Elements must not be changed, connected, modified, or tested by an unlicensed person.

Alternative elements supplied for non-standard configurations may be generic replacement elements and may not be the same brand as the hot water unit unless specifically stated. Generic elements are supplied to suit the requested element size and electrical configuration, but final suitability must be checked by the licensed installer before installation.

1.8kW and 2.4kW elements supplied separately with a hot water unit include a 12-month supply-only parts warranty from the date of purchase, provided the element has been correctly installed by a licensed electrical contractor or licensed electrical licence holder and used under normal operating conditions.

This element warranty covers the replacement supply of the element only. It does not include labour, call-out fees, electrical work, plumbing work, fault finding, removal, reinstallation, testing, travel, downtime, damage caused by incorrect installation, or any other associated costs. Warranty may be declined where the element has been incorrectly installed, dry-fired, modified, damaged, connected to incorrect voltage or wiring, affected by power issues, used in unsuitable water conditions, or installed by an unlicensed person.

Proof of purchase, installer details, electrical licence details, photos, and/or return of the faulty element may be required before a warranty claim is approved.

**Tempering valve information:
Where a hot water system is capable of delivering water above 50°C, a compliant tempering valve must be installed to control the temperature delivered to personal hygiene fixtures such as showers, baths, basins, and bathroom outlets. This helps reduce the risk of scalding and assists with meeting plumbing compliance requirements.

A tempering valve blends hot and cold water to deliver a safer controlled outlet temperature to required fixtures. The hot water unit itself may store water at a higher temperature, but the water delivered to personal hygiene outlets must be controlled where required by plumbing regulations.

If your property already has a suitable, compliant tempering valve installed, your licensed plumber can assess whether it is appropriate for use with the new hot water system. Existing valves may not always be suitable due to age, condition, compliance requirements, valve type, location, or system compatibility.

If a compliant tempering valve is not already installed, or if the existing valve is unsuitable, one must be supplied and installed by a licensed plumber as part of the hot water installation.

Tempering valves are not automatically included with every supply-only hot water unit unless specifically selected, listed as included, or purchased as part of a suitable valve kit. If a tempering valve is required, please purchase the appropriate valve kit with your order or arrange for your licensed installer to supply and install the correct tempering valve on site.

It is the customer’s responsibility to ensure the installation is completed by appropriately licensed trades and that all required valves, fittings, electrical work, plumbing work, and compliance requirements are allowed for as part of the installation.

Optional Installation, Organised for You

Want the product supplied and the installation organised in one simple order? On eligible products and in selected service areas, Installed Today can arrange installation through a licensed installation partner at clear, upfront install rates.

You pay Installed Today for the selected product and install package, and we pay the assigned contractor on your behalf. That means one checkout, one package summary, and a smoother process from order to installation.

Why Choose an Installed Today Install Package?

Clear upfront install pricing
Our install package builder shows the available install option and selected add-ons before checkout, so you can review the package total before placing your order.

We organise the installation
Once your order is placed, we help coordinate the installation with a licensed installation partner in your area.

No need to pay the contractor separately for the selected package
You pay Installed Today for the product and selected install package. We then pay the assigned contractor on your behalf for the included installation service.

Built for common replacement jobs
The process is designed for suitable like-for-like replacement installs where the existing setup, access and compliance requirements match the selected package.

Add-ons shown before checkout where possible
If your answers indicate that a valve kit, access add-on or other selected extra may be required, these are shown in the package before you add it to cart.

How It Works

Step 1: Choose your product
Select the hot water system you want to order, including the right size, model and kW rating where applicable.

Step 2: Build your optional install package
Answer a few quick questions about your existing system, location, access and setup.

Step 3: Review your package total
Your selected product, installation option and any selected add-ons are shown before checkout.

Step 4: Pay once through Installed Today
Complete your order online. Your payment covers the product and the selected install package shown in your cart.

Step 5: We coordinate the install
Where the job is suitable and installation is available, we assign a licensed installation partner and help organise the next steps.

Important Installation Notes

Installed Today supplies the product and helps arrange installation through licensed installation partners where available. Installation is only available on selected products and in eligible service areas.

The install package price applies to the selected installation scope shown at checkout. Final suitability still depends on site access, existing plumbing or electrical setup, valves, drainage, compliance requirements, product suitability and any extra work required.

If something outside the selected package is needed, it will be discussed before proceeding.

Supply-only orders do not include installation, old unit removal, disposal, valve kits, electrical work, plumbing alterations or compliance upgrades unless these are clearly selected or included in your order.

A Simpler Way to Buy Hot Water, Filters, Pumps and Plumbing Products

Buying a new hot water system, water filter, pump or plumbing product should be clear, simple and easy to organise.

Installed Today helps you compare products, check supply-only pricing and, where available, build an optional installation package before checkout. That means you can choose the product, review the available options and order with more confidence, without the usual back and forth just to understand the starting price.

Whether you already know exactly what you need or you are still comparing options, Installed Today gives you a clearer way to buy the right product for your home, budget and timing.

Why Customers Choose Installed Today

Supply Only or Optional Installation

Choose the product on its own, or add installation where available on selected products and in eligible service areas. This gives you the flexibility to order the way that suits you best.

Clear Pricing Before Checkout

See the product price upfront, then review available installation options and common add-ons before placing your order. You can check the package total before checkout, instead of waiting on basic pricing just to get started.

Product Details That Actually Help

Key specs, sizing details, warranty information, product features and suitability notes are shown clearly, making it easier to compare products properly before you buy.

Common Installation Add-Ons Available

Where relevant, you can add common installation extras such as valve kits, bases, access-related items, removal, electrical options or other site-specific upgrades before checkout.

Built Around Brisbane and Gold Coast Homes

Our product and installation options are selected with common Brisbane and Gold Coast homes in mind, including local water quality, access issues, plumbing layouts, replacement requirements and typical installation conditions.

One Simple Order

Add the product and selected options to cart in one order, instead of trying to organise separate suppliers, installers, parts and payments yourself.

Practical Help Before You Buy

Not sure which size, model or installation option is right? Installed Today gives you a clearer path to compare your options before you order.

Designed to Make Your Decision Easier

Installed Today is built for customers who want a faster, clearer and more convenient way to buy.

Instead of guessing what is included, waiting for basic pricing or trying to work out which extras may be needed, you can review the product, compare your options and move forward with confidence.

Choose supply only if you just need the product.

Choose an optional supplied and installed package where installation is available and you want the product and selected install options organised in one order.

Add common extras before checkout if your job needs additional parts, removal, access support or site-specific options.

It is a simpler way to organise the product, the selected extras and the parts of the job that matter most.

Important Installation Note

Installation availability, inclusions and add-ons vary by product type, service area, site access, existing services, selected options and property requirements.

Some jobs may require additional work, upgrades or checks before installation can proceed. Final suitability may need to be confirmed based on site conditions, plumbing, electrical requirements, valves, drainage, access and compliance requirements.

Supply-only orders do not include installation, old unit removal, disposal, valve kits, electrical work, plumbing alterations or compliance upgrades unless these are clearly selected or included in your order.

Fast Delivery and Install-Aligned Shipping

Installed Today makes delivery simple, whether you are ordering supply-only or choosing an optional install package.

For supply-only orders, you can select from available delivery options at checkout. For eligible orders with installation selected, shipping is included and coordinated to align with your selected installation period where possible.

Delivery Options

Same Day Delivery

Same day delivery may be available for selected hot water systems in Brisbane and Gold Coast metro areas when ordered before 8:00am.

Availability depends on stock, courier capacity, delivery location, product type and safe transport conditions.

Express Delivery

Express delivery is available on selected products and locations, with an estimated delivery timeframe of 1–4 business days.

Standard Delivery

Standard delivery is available on selected products, with an estimated delivery timeframe of 2–8 business days.

Free Shipping with Installation

When you select an eligible installation package, delivery is included as part of the supplied and installed order.

Your product delivery will be organised to align with your selected installation period where possible, helping avoid separate courier timing, storage issues or delays between delivery and installation.

Fast Metro Delivery

Most hot water orders in metro areas are delivered quickly, with many arriving within 1 business day depending on stock, location, order time and courier availability.

Weather and Transport Delays

Hot water systems are large, heavy products and cannot always be transported safely during rain or unsafe handling conditions.

Delivery timeframes may be affected if wet weather impacts loading, unloading, transport access or safe delivery conditions.

Express Delivery Refund

If your express delivery order takes longer than the estimated 1–4 business day express timeframe, your order will move to the standard 2–8 business day delivery timeframe and your express shipping charge will be refunded automatically.

Order Tracking

We will send your delivery details once your order has been dispatched or scheduled.

For supplied and installed orders, delivery timing may be coordinated around your selected installation period rather than sent as a separate courier-only delivery.

Need Help with Delivery?

Not sure whether to choose supply-only delivery or an optional install package? Contact our team before ordering and we can help you understand the best option for your product, location and timing.