Lochinvar & A.O. Smith 100093811 Door Switch 319847-401 Precise OEM Compatibility: Ensures exact

Precise OEM Compatibility: Ensures exact fitment for Lennox 74K7701 and Armstrong 42250-001 cross-references without mounting bracket modifications

ensuring a drop-in installation without the need for housing modifications

this Goodman furnace inducer blast power motor operates at 115V and 60Hz

Always verify the unit's serial number

The Sensus 143-3/4 Gas Regulator is a robust solution designed for precise natural gas pressure regulation in residential and light commercial meter sets

Lochinvar & A.O. Smith 100093811 Door Switch 319847-401 Precise OEM Compatibility: Ensures exactWhen you're troubleshooting a natural gas water heater that won't ignite or is throwing intermittent error codes, the Lochinvar & A. O. Smith 100093811 Door Switch is a critical safety component to inspect. Designed specifically for the NAT FG40T40 series, this OEM replacement door switch serves as a definitive safety interlock, ensuring the burner assembly is correctly isolated and the access door is fully secured before allowing the ignition