you should see a predictable DC voltage that corresponds to your refrigerant discharge pressure according to the standard 0-650 range chart

this control provides consistent "repeat" accuracy that remains unaffected by barometric pressure or cross-ambient temperature fluctuations

the valve manages the redirection of hot gas from the compressor to either the indoor or outdoor heat exchanger

Common Questions What is the maximum inlet pressure for this 143-80 model

Can this motor be installed in a horizontal position

MARS 12977 Run Capacitor 321702-401 you should see a predictableAs an experienced HVAC contractor, you know that a high quality dual run capacitor is the backbone of a reliable condenser unit. The MARS 12977 is a 35 3 MFD 440V round dual run capacitor engineered to meet the rigors of heavy duty cooling applications. Unlike standard budget components, this 440Vac capacitor is designed for high stress environments, providing the precise phase shift required to optimize compressor start up torque and fan motor