The Enviroheat 250EH1-15 is a reliable all-in-one air-source heat pump hot water system designed for Australian households. It features a 246-litre actual storage volume, efficient heat pump operation, programmable timer settings, multiple operating modes and a 1500W auxiliary heating element for additional hot water support.
Model: 200EH1-14
Actual tank volume: 195L
Model: 250EH1-15
Actual tank volume: 246L
The Enviroheat 250EH1-15 absorbs heat from the surrounding air and transfers it into the water stored inside the integrated tank. This allows the system to produce hot water while using less direct electrical heating than a conventional electric storage water heater.
Its monobloc construction combines the heat pump and storage cylinder in one compact unit. The integrated digital controller provides temperature adjustment, timer programming, operating mode selection and hot water capacity monitoring.
Designed to operate in ambient temperatures ranging from -7°C to 45°C.
Supplied with a 10A plug and cord for connection to a suitable weatherproof power outlet.
A listed sound pressure level of 46dBA supports quieter daily operation.
ECO mode can operate during selected daytime periods to make better use of available solar generation.
| Specification | Details |
|---|---|
| Brand | Enviroheat |
| Model | 250EH1-15 |
| System Type | Monobloc Air-Source Heat Pump Water Heater |
| Nominal Product Size | 250L Class |
| Actual Tank Volume | 246L |
| Rated Voltage / Frequency | 220–240V / 50Hz |
| Electrical Connection | 10A Plug and Cord |
| Tank Rated Pressure | 0.7MPa |
| Tank Corrosion Protection | Magnesium Rod |
| Protection Rating | IPX4 |
| COP at 7°C | 3.02 |
| COP at 15°C | 3.41 |
| Auxiliary Heating Element | 1500W |
| Rated Heat Pump Power Input | 495W |
| Maximum Heat Pump Power Input | 865W |
| Maximum System Power Input | 1500W |
| Standby Power Input | 35W |
| Heating Time at 7°C | Approximately 7.35 Hours |
| Heating Time at 15°C | Approximately 6.17 Hours |
| Default Temperature Setting | 55°C |
| Temperature Setting Range with Heater | 35°C–75°C |
| Refrigerant Type | R134a |
| Refrigerant Charge | 0.9kg |
| Refrigerant GWP100 | 1430 |
| Maximum Refrigerant Working Pressure | 0.8 / 2.8MPa |
| Sound Pressure Level | 46dBA |
| Ambient Operating Range | -7°C to 45°C |
| STC Zones | Zones 1–5 |
| Water Inlet and Outlet Connection | G3/4" Female |
| Safety Valve Connection | G3/4" Female |
| Drain and Cold Water Connection | G3/4" Female |
| Product Dimensions | 600 × 629 × 1987mm |
| Overall Diameter / Width | Approximately 629mm |
| Net Weight | 102kg |
| Gross Weight | 115kg |
The built-in control panel provides easy access to system settings, timer programming and operating modes. It also displays the current water temperature and available hot water capacity.
Automatically manages the heat pump to provide strong hot water availability based on demand.
Runs during programmed periods and is the recommended mode for households with solar power.
Activates the auxiliary electrical heating element for faster heating when extra hot water is required.
Keeps the system off while you are away and restarts it before your selected return date.
The system automatically raises the stored water temperature to 63°C once every seven days.
Allows the electrical heating element to provide temporary hot water if the heat pump experiences a fault.
A thermostat and over-temperature protection device support safer system operation.
Prevents unintended changes to the controller while maintaining normal system operation.
The fan draws surrounding air into the heat pump.
The evaporator collects heat energy from the ambient air.
The compressor increases the refrigerant temperature.
Heat transfers through the micro-channel condenser into the tank.
The cycle continues until the selected temperature is reached.
The system must be installed vertically on a solid, level surface capable of supporting its filled weight.
The unit must have enough airflow and must not be installed in a fully enclosed space.
Allow approximately 400mm above the unit and suitable surrounding clearance for airflow and servicing.
The condensate outlet must be connected so water can drain freely to an appropriate location.
Share your current hot water system and property details.
We confirm outdoor space, ventilation, drainage and electrical suitability.
Qualified installers complete the plumbing and electrical work.
The system is filled, tested and programmed for correct operation.
Start enjoying reliable heat pump hot water for everyday use.
The relief valve lever should be operated at least once every six months.
The system should be drained and flushed during a major service approximately every five years.
The tank sacrificial anodes should be inspected periodically and replaced when required.
The condensate discharge pipe should be checked regularly for blockages or restricted flow.
| Component | Parts Warranty | Labour Warranty |
|---|---|---|
| Tank Cylinder | 5 Years | 1 Year |
| Compressor and Mechanical Components | 5 Years | 1 Year |
| Controller and Electrical Components | 5 Years | 1 Year |
| Sacrificial Anode, PTR Valve and ECV | 5 Years | 1 Year |
The model number is 250EH1-15.
The system is sold as a 250L-class model. The official tank volume is listed as 246 litres.
The Enviroheat 250EH1-15 uses R134a refrigerant with a charge of 0.9kg.
The listed COP is 3.02 at 7°C ambient temperature and 3.41 at 15°C.
No. The 250EH1-15 is supplied with a 10A plug and cord for connection to a suitable weatherproof outlet.
The default temperature is 55°C. The temperature range with auxiliary heating is 35°C to 75°C.
Yes. The listed operating range is -7°C to 45°C. Outside this range, the auxiliary heating element may operate to protect the system.
Yes. The integrated controller allows programmed operating periods through ECO mode.
Yes. ECO mode can be programmed to run during daylight hours to make better use of available solar generation.
Yes. Boost mode activates the auxiliary heating element for faster hot water recovery.
The manual lists 5 years parts and 1 year labour for the tank, compressor, mechanical components, controller, electrical components, sacrificial anode, PTR valve and ECV, subject to the full manufacturer warranty conditions.
Installation must be completed by appropriately qualified and licensed tradespeople in accordance with the manufacturer instructions and applicable Australian standards.
Get reliable heat pump hot water, programmable operating modes and efficient everyday performance for your home.
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