The Weil McLain 381-354-527 Section Replacement Kit is a critical OEM boiler part designed for technicians performing cast iron boiler repair on specific gas-fired residential units
ensuring a maintenance-free automatic air vent valve solution for hydronic heating and cooling systems
Is the 51W93 compatible with G43 or G51 models
providing a seamless retrofit for technicians servicing older standing pilot systems
the 31-02012-009 provides the exact electrical specifications and torque profile necessary to restore factory-rated efficiency
Lennox 78W99 Limit Switch 340155-7026 The Weil McLain 381-354-527 SectionThe Lennox 78W99 Limit Switch is a critical safety component engineered to regulate heat exchanger temperatures within Lennox G40, G41, G50, G51, and G61 gas furnaces. This L235 30F thermal limit control features a fixed temperature setting, designed to open the electrical circuit at 235F and automatically reset once temperatures drop by a 30F differential. Precision calibrated for high limit protection, this SPST (Single Pole Single Throw) switch
