3.5-5T 2-Wire Kickstart Hard Start Kit

2 non polarized wires, pre-assembled refrigeration compressor hard start kit with mechanical potential relay. Assists compressors in starting under adverse conditions such as low voltage or high head pressures. Built-in relay drops out start capacitor at optimum time to avoid excessive heat build up & prevents damage to compressor by NEVER staying in the circuit too long. Correctly replaces over 60 different OEM combinations of start capacitors & potential relays. - 2 non polarized wire design for easy installation - 3-year warranty - Extends the life of A/C, refrigeration, & heat pump compressors - OEM tested & approved - For use on 3.5-5 Ton units