This unit features a 2-1/2" Male NPT inlet and a 2-1/2" Female NPT outlet

High Close-Off Performance: Rated for a 200 psi close-off pressure

Built with a rugged brass trim and a high-performance Teflon (PTFE) seat

making it an ideal replacement ignition board for specific commercial and industrial HVACR applications requiring immediate activation

Lochinvar & A.O. Smith 100110936 Ignitor Button 319852-301 This unit features a 2-1/2"The Lochinvar & A. O. Smith 100110936 Ignitor Button is a critical OEM replacement component designed for high performance gas fired water heaters and boilers. This Piezo Electric Ignitor Button functions by utilizing the piezoelectric effect, generating a high voltage electrical spark the moment the plunger is depressed to initiate the pilot ignition sequence. Built to withstand the environmental stressors of a mechanical room, its rugged