this high limit safety switch prevents thermal over-stress by interrupting the burner circuit if airflow is restricted or the blower motor fails

the MARS U065NA1 features terminals approved for both 60°C and 75°C wire

this specific seal cap is dimensioned for the 325-5 series and RV61 platforms

Contractors rely on this specific thermostat tube connector for its exact OEM fit and reliable performance in demanding building automation architectures

Weil McLain 590-317-305 Gasket this high limit safety switchThe Weil McLain 590 317 305 is a professional grade woven fiberglass gasket specifically engineered for high temperature sealing on cleanout plates. Designed to maintain an airtight and gas tight seal, this gasket prevents combustion byproduct leakage and ensures pressure integrity within the boiler heat exchanger. Measuring approximately 2. 0 x 0. 25 x 14. 5 inches, this component is built to withstand the rigorous cycling associated with residential