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If the motor is seized or the mounting plate is heavily corroded
a faulty regulator
this specific model is rated strictly for 120VAC
it is purpose-built for wall-mount installations where reliability is non-negotiable
effectively preventing tank over-pressurization and potential failure
Lochinvar & A.O. Smith 100167804 Board 340155-7024 If the motor is seizedThe 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
