McDonnell & Miller 354310 Head Gasket This mechanical defrost timer features

This mechanical defrost timer features rugged internal switching to handle the inductive loads of the reversing valve and outdoor fan motor

making it a reliable choice for modern high-pressure refrigerants and HVACR piping systems

ensuring 30" ignition cable length matches original equipment specs for Utica and Dunkirk boilers

this non-serviceable component ensures system integrity by allowing technicians to identify subcooling issues or moisture contamination before they lead to compressor failure

also identified in technical catalogs as the Watts KSTEM-12

McDonnell & Miller 354310 Head Gasket This mechanical defrost timer featuresMcDonnell & Miller?354310 Head Gasket for VFS, VFC, PFC Series (Model Number GSKT PFC)