Grants DHW boost kit automatically switches on the cylinders immersion element when the heat pump has raised the cylinder contents to about 45°C, taking the water up to the desired water temperature, set by the immersion thermostat. It has an additional feature of automatic bacteria protection. An integrated timer can be programmed to bring on the immersion either daily or weekly for a short period of time, allowing sanitisation of the cylinder contents. This sanitisation regime is a requirement of SAP and should be fitted with every heat pump/cylinder installation.
Automatically switches on the cylinders immersion element
Raises cylinder contents to about 45°C
Automatic bacteria protection
Grant Aerona3 Heat pump
Air Source Heat Pump accessory
Manufacturer Model No
Next Day Delivery
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