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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
a dedicated liquid propane valve or a manufacturer-approved conversion kit must be used to ensure safe manifold pressure
which can help a technician determine whether a failure is isolated to the outdoor control board or the fan motor itself
while the normally open (N
Lochinvar & A.O. Smith 100112614 Controller R-22 This is specifically designed forThe 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
US$ 118.00
US$ 101.50
US$ 172.00
US$ 118.00