Always calibrate the switch after the system has reached operating temperature

and compressor contactor pilot circuits

The Parker 450028-001 (Model BF164S) is a high-performance bi-flow liquid line filter drier specifically designed for heat pump applications and reverse-cycle systems

this part offers a seamless fit for Lennox G40

Johnson Controls P70CA-1 Pressure Control 30067439-890 Always calibrate the switch afterThe Johnson Controls P70CA 1 is a professional grade single pole low pressure control designed for heavy duty commercial refrigeration and HVAC applications. Featuring an open high switch action, this SPST pressure switch is commonly utilized for capacity control and high side cutout in systems using non corrosive refrigerants. It operates within a robust 20" Hg to 100 psi range and includes an adjustable differential (6 to 50 psi), allowing