Cracking on the underside or a belt sitting too deep in the sheave (riding the bottom of the groove) are clear indicators that the belt has worn thin and lost its effective tension

while it provides a higher 150VA capacity

For technicians troubleshooting intermittent ignition or weak spark

this specific model is rated exclusively for 208-230V applications

Copeland 940-0172-04 Relay Kit 320720-756 Cracking on the underside orThe Copeland 940 0172 04 Relay Kit is a critical solid state current relay designed for precise HVAC compressor control. Engineered for 120V compressor motor applications, this OEM Copeland replacement part manages the electrical path to the start capacitor with high accuracy. When the compressor initiates, the relay detects the initial current draw and engages the start capacitor to provide the necessary torque for the motor drive. Once the motor