Boiler and pump contacts. For use with existing Wiser systems to control underfloor heating and radiators via the Wiser Home app. One room thermostat required per zone, up to 3 underfloor heating controllers can be used in one system. Can provide cooling when used with a reversible heat pump. Supports up to 6 room thermostat inputs and up to 14 thermal actuator outputs. Works with - Amazon Alexa - Google Home - iOS App - Android App ABS Construction Bottom Only Cable Entry Points 2 Year Manufacturer's Guarantee (T&Cs Apply) Smart Hub Required Works with - Amazon Alexa - Google Home - iOS App - Android App ABS Construction Bottom Only Cable Entry Points 2 Year Manufacturer's Guarantee (T&Cs Apply) Smart Hub Required