Schneider Electric (Barber Colman) AM-321 Auxiliary Switch Freon This is a complete pilot

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

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

Engineered with a 24V spring-return motor

using an incorrect pitch can lead to higher amperage draw and motor burnout

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

Schneider Electric (Barber Colman) AM-321 Auxiliary Switch Freon This is a complete pilotThe 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