Open Vented Small Storage Electric Water Heaters

6L, and 10L capacities Pre-set to 60°C.

Open vented storage water heaters provide safe, reliable hot water at point of use for single outlets such as basins or sinks. Designed for low-pressure applications, they operate with a vented tap to allow expansion during heating, ensuring consistent performance and system safety. Ideal for installations where fixtures are located far from a central hot water system, these units deliver hot water quickly, reducing both wait time and water waste. The compact design allows for easy installation in confined spaces, fitting neatly under benches and minimising the need for long pipe runs.

Available in 6L and 10L open vented options.

OVERVIEW

Reliable hot water at point of use.

Provides reliable hot water at point of use for a single outlet, such as a basin or sink. Ideal where fixtures are located far from central plant, reducing wait time and water waste.

Models Available

6L, 10L

Power Supply

230V

Temperature Setting

60°C

Ideal for:

Multi-Residential Apartment Buildings Aged Care Residential Care Commercial Buildings Offices Factories & Industrial Education Facilities Healthcare Facilities

SPECIFICATIONS

Item

6L Vented

10L Vented

Part No.

2850006

2850007

Type

Vented Storage

Capacity, L

Voltage, V

220 – 240, 1-phase

Rated Power, W

2000

Rated Current, A

8.1 – 9.2

Temperature Setting, °C

75°

Heating Time, mins. (∆T = 30°C)

6.6

10.6

Maximum Permissible Pressure, kPa

850

Minimum Inlet Water Pressure, kPa

110

Maximum Water Inlet Pressure, kPa

550

Dimensions, mm

290W x 290H x 290D

360W x 350H x 300D

Weight, kg

6.2

7.4

IP Rating

IPX4

Water Connections

Cold = G1/2” Male | Hot = G1/2” Male

WaterMark Approval

WM 40394 (AS 3498)

DOWNLOADS

PDF Spec Sheet 50 KB – PDF PDF Instruction Manual 405 KB – PDF

APPROVALS & CERTIFICATIONS

WaterMark Certified WM 40394 (AS 3498)

FEATURES

Point of use installation – no need to install a larger tank in a roof cavity etc
Space-saving under bench installation
Vented design to supply a single isolated outlet – no long piping requirements for a single outlet
Must be used with a vented tap
Enamelled steel tank
Temperature set at 75°C
Operates on 230V, plugs into power point
Available in 6L and 10L capacities
2 Year Warranty

FAQS

Frequently asked questions

What is an open vented water heater?

An open vented water heater is a low-pressure system designed to operate with a vented tap. It allows water to expand safely during heating, preventing pressure build-up inside the tank.

Do I need a special tap?

Yes. Open vented units must be installed with a compatible vented tap. No other fittings (such as mixers, filters, or aerators) can be added to the system.

Can this unit be connected to mains pressure?

No. Open vented units are not designed to handle mains pressure and must never be pressurised.

How many outlets can it supply?

Open vented systems are designed to supply one single outlet only, such as a basin or sink.

Where can this unit be installed?

These units are designed for under-bench, point-of-use installation close to the outlet, helping reduce wait time and water waste.

How hot does the water get?

The unit can heat water up to 75°C, with a factory pre-set temperature typically around 60°C for safe operation.

What power supply does it require?

The unit operates on 220–240V and plugs into a standard power outlet.

What maintenance is required?

Minimal maintenance is required. Regular checks for scale build-up and general inspection are recommended, and servicing should be carried out by a qualified technician.

Can I install additional components like filters or valves?

No. Open vented systems must remain unrestricted, and adding components can affect safety and performance.

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