The Parker-Sporlan SORIT-20 Evaporator Pressure Regulator is a pilot-operated refrigeration control valve designed to maintain consistent evaporator pressure within a 0–100 PSI adjustment range. It uses high-side system pressure to regulate refrigerant flow, helping prevent evaporator pressure from dropping below the desired setting. Featuring 1-5/8-inch ODF connections and a solenoid... https://www.partshnc.com/901625p-parker-sporlan-sorit-20-0100-1-58-odf-reg