Lochinvar & A.O. Smith 100093811 Door Switch 340155-7024 motorized valves

motorized valves

resulting in lower sound levels (80-85 dBA) and reduced mechanical wear

if those components show signs of wear

or visible "wobble" during the start-up cycle indicates the blade is out of balance or bent and requires immediate replacement to protect the fan motor

Lochinvar & A.O. Smith 100093811 Door Switch 340155-7024 motorized valvesWhen 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