Weil McLain 590-317-305 Gasket Visual Diagnostics: Built-in LED provides

Visual Diagnostics: Built-in LED provides real-time relay status for easier troubleshooting in the field

heat-resistant materials capable of withstanding the thermal cycling and corrosive condensate environments typical of modern hydronic systems

single-throw (SPST) thermal control engineered to monitor plenum temperatures and regulate the fan circuit in gas furnaces and air handlers

Key Benefits for Technicians Direct OEM Compatibility: Replaces Lennox part number 44L4801 and fits a wide range of Lennox

Weil McLain 590-317-305 Gasket Visual Diagnostics: Built-in LED providesThe 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