replacement is the industry-standard recommendation

With a 1/2" NPT connection and a 5 PSI max inlet pressure rating (Maxitrol tested)

releasing significant extra heat into your home

ensuring a seamless drop-in fit for legacy Wayne combustion systems

01 micron with a 99

Lochinvar & A.O. Smith 100112636 Control Board 318172-701 replacement is the industry-standard recommendationThe Lochinvar & A. O. Smith 100112636 Control Board is a critical OEM replacement part designed for precision direct spark ignition (DSI) and intermittent pilot systems in commercial water heaters and boilers. This Fenwal ignition control operates on 24VAC 120VAC, 50 60Hz, utilizing advanced flame rectification technology to monitor burner performance and ensure safe startup cycles. As a veteran grade HVAC replacement board, the 100112636 features