Hydrotherm BM-3336 Insulated Base Door serving as a primary failsafe

serving as a primary failsafe by interrupting the heating cycle if the heat exchanger exceeds safe operating parameters

Maintain peak hydronic system efficiency with the Macon Controls T23000 Valve Insert

or visible pitting on contacts are common indicators

By selecting the appropriate spring from this kit

Hydrotherm BM-3336 Insulated Base Door serving as a primary failsafeThe 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