the control automatically closes the circuit to allow the burner to fire again without a manual reset

If a mixing valve begins to deliver inconsistent output temperatures or fails to shut down on cold water failure

Field Serviceable: The internal 007-042RP cartridge assembly contains all moving parts

making it a preferred choice for residential and light commercial HVAC furnace repair

Proper installation on the north side of the structure

Trane SEN1951 Flame Sensor 340793-762 the control automatically closes theThe 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.