Lennox 42W59 Reversing Valve Refrigerant including Series 5B models

including Series 5B models

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

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

is required for proper burner ignition and operation

providing superior corrosion resistance to withstand the high-temperature and high-pressure environments common in commercial boiler rooms and district heating systems

Lennox 42W59 Reversing Valve Refrigerant including Series 5B modelsThe 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