York S1-331-01975-001 Demand Defrost Control Kit

The York S1-331-01975-001 Demand Defrost Control Kit is an essentialpart of the heat pump systems and their efficiency. This control kit works at a voltage of 24V and is intended for controlling the defrosting process of the heat pump in cold climate conditions. The tracks the temperature and time of the heat pump to decide when defrosting is needed. The York S1-331-01975-001 is an essentialpart for keeping heat pumps at their to function well during freezing winter months.