Trane SEN1951 Flame Sensor 321042-401 This kit is specifically engineered

This kit is specifically engineered to restore the pressure-holding capacity of the valve body without requiring a full unit replacement

Common Questions & Troubleshooting What are the signs of a failing HD52AR275 motor

this 27-inch 28-hole gasket is built to handle the high-velocity flow and thermal cycling common in industrial cooling loops

this actuator provides the high-speed response necessary for maintaining system safety during power loss or control signal interruptions

secondary components like the hot surface igniter or thermocouple should be inspected and ordered separately if they show signs of carbon fouling

Trane SEN1951 Flame Sensor 321042-401 This kit is specifically engineeredThe Trane SEN1951 Flame Sensor (also identified as SEN01951) is a critical OEM replacement part engineered to maintain precise flame rectification within residential and commercial furnace burners. This furnace flame sensor operates by detecting the presence of a microamp signal generated during combustion. If the HVAC control board fails to receive this signal, it immediately terminates the gas valve cycle to prevent hazardous gas accumulation.