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a faulty regulator
If the motor is seized or the mounting plate is heavily corroded
This part is specifically calibrated for modulating units
covering all standard 208/230V residential and commercial single-phase systems
this kit significantly improves the DSI control sequence and ensures reliable combustion cycles under varied demand loads
Lochinvar & A.O. Smith 100167804 Board 340155-7024 a faulty regulatorThe Lochinvar & A. O. Smith 100167804 Integrated Control Board is the primary OEM replacement part for the Armor AW400 condensing water heater series. As a veteran grade HVACR control module, this board manages the critical sequence of operation, including the 10 second prepurge cycle, spark to flame trial for ignition, and continuous flame rectification. It acts as the master processor for ignition control and temperature regulation, ensuring the
