It serves as a direct upgrade or replacement for several legacy series
This is specifically designed for boilers with rapidly fluctuating water lines to prevent the burner from cutting off prematurely due to momentary surges or "hunting" in the water column
you know the value of a durable hot surface igniter that resists physical damage and carbon buildup
Rated for a maximum working pressure of up to 700 PSIG
a dedicated liquid propane valve or a manufacturer-approved conversion kit must be used to ensure safe manifold pressure
Lochinvar & A.O. Smith 100112614 Controller R-22 It serves as a directThe Lochinvar & A. O. Smith 100112614 Combined Controller is the primary electronic control board managing combustion, temperature regulation, and safety protocols for BTH 400A Series 104 commercial water heaters. As a critical OEM replacement part, this integrated controller replaces legacy part number 9008219005, ensuring seamless BTH 400 104 compatibility. Designed specifically for natural gas water heaters, it monitors internal flow, pressure, and