Lennox 13W51 Expansion Valve 318423-701 annual replacement is required

annual replacement is required

Versatile Application: Suitable for both mixing and diverting in 3-way zone valve setups for hot or chilled water systems

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The Weil McLain 635-100-022 3-way valve body is a professional-grade replacement engineered specifically for the Weil McLain CGt Series 1 and 2 residential gas boilers

Lennox 13W51 Expansion Valve 318423-701 annual replacement is requiredThe Lennox 13W51 thermostatic expansion valve is a precision engineered 3 ton TXV designed specifically for R 22 refrigerant systems. This externally equalized expansion valve is a direct replacement component engineered to maintain the technical equilibrium of the refrigeration cycle by modulating refrigerant flow based on evaporator load. Built with a robust needle and seat assembly, the 13W51 ensures precise superheat control, preventing liquid