Lennox 42W59 Reversing Valve Refrigerant is required for proper burner

is required for proper burner ignition and operation

this assembly provides supplemental or emergency heat for residential and commercial units where precision climate control is required

Key Benefits: High Close-Off Performance: Delivers increased force to ensure tight shut-off against high differential pressures in hydronic zone valves

including Series 5B models

direct immersion in pressurized tanks requires a bulb well or a compatible packing nut assembly (such as the FTG13A-600R) to prevent leaks and protect the element

Lennox 42W59 Reversing Valve Refrigerant is required for proper burnerThe Lennox 42W59 Reversing Valve is a genuine OEM 4 way brass heat pump valve specifically engineered to transition refrigerant flow between heating and cooling cycles. Designed for high pressure R 410A systems, this SHF Series reversing valve features 1 2" x 7 8" ODF (Outside Diameter Female) sweat connections, ensuring a leak resistant seal during brazing. Utilizing a 24V AC solenoid pilot, the 42W59 provides the rapid response required for