Lochinvar & A.O. Smith 100074640 Ignitor 318518-761 11 PF Open to -1

11 PF Open to -1

Simplified Service: Standard screw-in design allows for rapid field replacement during routine maintenance or emergency repairs

the internal diaphragm or contacts have failed

With an operating temperature range of -50

Lochinvar & A.O. Smith 100074640 Ignitor 318518-761 11 PF Open to -1The 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.