With a 300 PSI maximum working pressure and a nominal capacity for systems up to approximately 18

60" WC pressure switch operates on SPST (Single Pole Single Throw) logic

this component should not be used as a primary safety replacement in those specific instances

paired with a substantial 550 cm³ POE oil charge to maintain internal lubrication and combat mechanical wear under heavy duty cycles

Emerson Alco 097719 Control Valve 322057-301 With a 300 PSI maximumThe Emerson Alco 097719, also known as the EX4 I21, is a high performance stepper motor driven electrical control valve engineered for precise refrigerant mass flow management. Designed for veteran contractors, this bipolar stepper motor valve provides continuous modulation across a 10% to 100% capacity range, making it ideal for superheat control, hot gas bypass, and liquid injection. Featuring a 3 8" x 5 8" sweat ODF connection and a 24Vdc supply