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the packless diaphragm valve can be installed in any position
Applying 24V will not provide sufficient power for the thermal element
Utilizing this contactor with incorrect control voltage will damage the coil and prevent the contacts from engaging properly
this kit is precision-machined specifically for Spence Engineering Type E series valves and may not align with the port spacing or thread patterns of other manufacturers
minimizing energy waste while maximizing static pressure performance
Schneider Electric (Barber Colman) AM-321 Auxiliary Switch Freon the packless diaphragm valve canThe Schneider Electric AM 321 is a precision engineered 2 SPDT auxiliary switch designed to provide reliable position feedback and sequence control for HVAC actuators. Functioning as the AM 322 direct replacement, this unit is built for seamless integration with legacy Barber Colman and modern Schneider Electric actuator assemblies. The assembly features dual Single Pole Double Throw contacts with an adjustable differential, allowing field technicians