Lennox 42W59 Reversing Valve Freon requiring manual adjustment of the

requiring manual adjustment of the expansion valve stem

and pipe scale without the need for electrical high-voltage wiring

adhering to standard safety protocols for residential direct-expansion systems

it’s designed for efficiency

typically mounted on the supply plenum or heat exchanger to prevent hazardous overheating conditions

Lennox 42W59 Reversing Valve Freon requiring manual adjustment of theThe 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