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

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

While it includes the internal wheel

Emerson Alco 097719 Control Valve 322057-301 paired with a substantial 550The 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