Schneider Electric (Barber Colman) AM-321 Auxiliary Switch Freon please verify if your sensor

please verify if your sensor uses 1/2" NPT or the common 1/2" NPSM/18-NEF thread found on adjustable-angle thermometers

the packless diaphragm valve can be installed in any position

Always disconnect the primary power source before opening the power pack to avoid high-voltage discharge from the ionizing section

It is fully compatible with the T-4000-110 wallbox kit for hollow wall or masonry applications

This is a complete pilot burner assembly designed to be compatible with standard York pilot tubing and orifices

Schneider Electric (Barber Colman) AM-321 Auxiliary Switch Freon please verify if your sensorThe 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