York S1-025-41168-000 Expansion Valve 326070-701 Most Lennox HVAC systems require

Most Lennox HVAC systems require a 5/16" nut driver for the housing components and an adjustable wrench or 1/4" ratchet with an extension to tighten the blower wheel setscrew to the flat side of the motor shaft

you provide a sacrificial stub that can be easily prepped and brazed while away from sensitive internal compressor components

Replacing this part prevents dangerous combustion leaks and ensures the boiler maintains proper internal pressure for efficient firing

The inclusion of a Weil McLain igniter and new flange gaskets ensures a complete seal and reliable ignition sequence

With an approximate filter size of 3 1/4" x 2 3/8"

York S1-025-41168-000 Expansion Valve 326070-701 Most Lennox HVAC systems requireThe York S1 025 41168 000 Expansion Valve is a precision engineered OEM thermal expansion valve designed for high capacity 5 ton R410A air conditioning and heat pump systems. This mechanical TXV regulates the mass flow of refrigerant into the evaporator coil, maintaining the exact superheat required to prevent liquid refrigerant from migrating back to the compressor. Featuring 3 8" x 5 8" ODF solder connections, this valve provides the robust,