Lennox 78L03 Reversing Valve Els PW 17895 typically optimized for 3/8" or

typically optimized for 3/8" or 7/16" diameters

Dual Power Versatility: Can be hardwired for constant 24VAC power or run on 2 AA alkaline batteries for older 2-wire or 4-wire thermostat retrofits

The SA69-104 is typically evaluated as the shield component

the Modine 5H0798040000 maintains system reliability and prevents the common "no-heat" calls associated with aging components

The Honeywell 14004401-002 Wall Plate is an industrial-grade mounting solution specifically engineered for the Convertastat series and compatible commercial thermostats

Lennox 78L03 Reversing Valve Els PW 17895 typically optimized for 3/8" orThe Lennox 78L03 Reversing Valve is a critical refrigeration component designed for precise flow reversal within heat pump systems. This heavy duty 4 way valve facilitates the redirection of refrigerant gas to switch between heating and coolings modes, ensuring the evaporator and condenser coils function correctly based on thermostat demand. Built for compatibility with select Lennox and Armstrong Air outdoor units, this valve features a 7 8" x 1 2"