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

it is recommended to stick to the manufacturer's specified part numbers for safety and performance

allowing technicians to identify potential compressor burnout risks before catastrophic failure occurs

To maintain a proper airtight seal

This high-limit safety control features a 3-1/8 inch insert length and is calibrated to open between 200

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