Lochinvar & A.O. Smith 100097250 Flame Sensor 321042-401 Always verify the part number

Always verify the part number against your existing Honeywell oil furnace board or manufacturer specifications before installation

this OEM-spec valve facilitates the critical transition between heating and cooling cycles by redirecting discharge gas from the compressor

Key Benefits Precise 3000 RPM Performance: Engineered specifically to maintain the correct venting velocity for high-efficiency combustion sequences

Can I use this to replace an AC-coil relay

Lochinvar & A.O. Smith 100097250 Flame Sensor 321042-401 Always verify the part numberAs a veteran tech, you know that a systematic lockout on a high efficiency boiler or water heater often points directly to a fouled or failing Lochinvar & A. O. Smith 100097250 Flame Sensor. This genuine OEM PSE GW1 flame sensor is a mission critical component designed for precise flame rectification. It accurately monitors the microamp signal produced by the burner's ionized gas, ensuring the ignition module maintains the gas valve circuit only when