this specific model is fixed at 75 PSI to meet system specifications and maintain certification integrity

the normally open contacts are specifically rated for 0

The SPDT contacts are typically rated for 15 amps at 125-277 VAC

Enhanced HVAC Efficiency: Optimizes condenser performance by accurately sensing sub-cooled liquid line temperatures rather than just ambient air

Hydrotherm BM-3336 Insulated Base Door this specific model is fixedThe 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