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If you have a call for heat but no spark or gas valve voltage
Direct OEM Compatibility: Verified to replace part numbers 46K69
preventing overheating by accurately sensing water temperature within the vessel
Can this be used on both suction and discharge lines
Lochinvar & A.O. Smith 100167507 Control Board 30067439-890 If you have a callThe Lochinvar & A. O. Smith 100167507 Electronic Control Board is a critical integrated component designed for high efficiency water heaters and boilers, including the Lochinvar Armor and Shield series. This OEM replacement part is technically identical to the legacy RLY1141 and serves as the primary combustion control module for managing ignition sequences, blower speeds, and temperature regulation. Engineered for TNR models, this printed circuit
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