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Persistent tripping is typically caused by insufficient combustion air
always verify your specific model's part list
Its robust aluminum construction resists common corrosive elements found in gas streams
If you detect air escaping from the actuator vent hole or if the actuator fails to stroke properly under normal supply pressure
Rheem-Ruud 47-21900-01K Limit Switch Persistent tripping is typically causedThe Rheem Ruud 47 21900 01K Limit Switch is a critical OEM replacement part designed for technicians managing residential and commercial heating cycles. This high limit safety control features a 230F cut out temperature, engineered to provide positive circuit interruption in the event of an over temperature condition within the flanged airstream. As a Manual Reset device, it ensures that your furnace or water heater remains offline for inspection if
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