often due to wide electrode gaps or degraded ignition cables

All-in-One Design: Combines amplifier and selector functions into one unit

2 switch can be installed directly onto the unit to add burner-interruption safety features

or source a compatible York solenoid coil separately for a full replacement

Lochinvar & A.O. Smith 100276831 Valve 321702-401 often due to wide electrodeThe Lochinvar & A. O. Smith 100276831 Valve is a heavy duty 2 1 2" 3 way bypass valve engineered for precision flow control in commercial hydronic and potable water systems. Designed to handle the rigorous demands of high output boilers and water heaters, this 3 port diverting valve allows for seamless redirection of fluid between the primary loop and the bypass circuit. Its robust construction ensures long term performance in commercial HVACR