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Technical professionals value this series for its internal inherent protection and axial/radial compliance
When troubleshooting OEM heater motor replacements
When replacing a failed motor
This unit is fully compatible with both probe-type and float-type LWCOs
Lochinvar & A.O. Smith 100074640 Ignitor 340793-762 Technical professionals value this seriesThe Lochinvar & A. O. Smith 100074640 Ignitor is a critical genuine OEM ignition component engineered for high efficiency condensing water heaters and commercial boiler systems. Built to survive the rigorous thermal cycling of modern hydronic equipment, this black box ignitor assembly provides the high voltage spark necessary for consistent burner ignition and reliable system startup. As a standard replacement for Lochinvar Knight boilers and A. O.