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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
monitoring the heat exchanger temperature to prevent unsafe thermal conditions
How do I troubleshoot if the relay is stuck
The 440V rating indicates the maximum voltage the part can handle
In a normal operating state
Hydrotherm BM-3336 Insulated Base Door monitoring the heat exchanger temperatureThe Hydrotherm BM 3336 Insulated Base Door is a critical OEM replacement part engineered for high performance thermal containment in Hydrotherm R Series boilers. Designed to fit Model R gas furnaces, including the R 180C, R 210C, R 250C, and R 300B, this insulated boiler door features a steel frame and high density foam insulation to mitigate heat loss at the unit's base. Implementing a Hydrotherm BM 3336 ensures energy efficiency by maintaining