MRCOOL PHK20H ProDirect Series Heat Kit

The MRCOOL PHK20H ProDirect Series Heat Kit is an electric heating accessory designed for use with compatible MRCOOL ProDirect air handlers and HVAC systems. It works by generating supplemental electric heat that is distributed through the air handler and ductwork when additional heating is needed. Commonly used as auxiliary or emergency heat, the kit helps maintain indoor comfort during colder weather or when heat pump efficiency decreases. It provides reliable heating performance, improved temperature control, enhanced system versatility, and dependable operation while supporting year-round comfort in residential applications.