The Functional Devices TR40VA015 is a professional-grade 40VA control transformer designed for heavy-duty HVACR and commercial building automation tasks

allowing for the 315917 replacement while the valve body remains piped in the system

managing two separate circuits from a single point

Its reliability and precision make it an essential furnace replacement part for maintaining system integrity according to manufacturer specifications

000 AFC fault protection rating for contractor peace of mind

Nordyne 632444R Pressure Switch The Functional Devices TR40VA015 isThe Nordyne 632444R Pressure Switch is an essential safety component for residential condensing furnaces and draft inducer systems. This factory authorized OEM furnace pressure switch is a single pole single throw (SPST) device preset to a precise 1. 74" WC setpoint. It is designed to verify proper combustion air and inducer motor performance before allowing the ignition sequence to initiate. This specific model features a 1 4" barbed connection for