while the rugged 2-piece piston construction ensures reliable cycling in refrigeration solenoid valve applications

While this model is factory-configured for natural gas with a

replacing older part numbers like 034-0069-00 and Daikin McQuay 300000487

providing dependable sealing where standard gaskets may fail due to thermal expansion

Schneider Electric (Barber Colman) AV-91 Cam & Plunger Els PW 17895 while the rugged 2-piece pistonThe Schneider Electric (Barber Colman) AV 91 Cam and Plunger is a precision engineered linkage kit critical for maintaining the operational integrity of spring return actuators in complex HVACR systems. Designed specifically for S R Check Series applications, this assembly facilitates the efficient conversion of rotary force into linear motion, ensuring accurate valve positioning. This kit typically includes two cams, a plunger, and a stem extension,