Compatible with most types of existing domestic heating systems including kerosene and HVO boilers, gas boilers, LPG boilers and automatic modulating biomass pellet boilers (the EvoLink is suitable to use with boilers with heating outputs of up to 36kW) Features intelligent control system which only operates the original heat source (boiler) when required, allowing the Aerona3 heat pump to operate as much as possible Allows hard to heat homes to incorporate a heat pump and enjoy the benefits of a heat pump with the back-up of a boiler, so additional energy efficiency measures (such as improved insulation or upsizing heat emitters) can be carried out at a later date Users can select their preferred mode of operation for their space heating requirements - Green Mode defaults the settings to favour the heat pump's usage and a "Comfort Mode" which defaults the settings to deliver higher room temperatures Features an automatic boiler only function which can be set to operate at a specific low outdoor temperature to switch the heat pump off Simple touchscreen user interface with animated icons to indicate the heating demand, hot water demand, heat pump and boiler operation, and providing access to the key settings Designed for internal installation only, the EvoLink has a white casing and its compact size means it can fit inside a standard kitchen or utility room cupboard 2 year guarantee (T&Cs apply) Manufacturer Stock Code: EVOLINK EAN Code: 5056003784008 Sub-Category: Wi-Fi Brand: Grant Category: Smart Home Type: Hubs