Its precise 23-inch length and 3x3-inch profile ensure a direct fit for compatible York

this kit provides the precise electrical switching necessary for peak operational efficiency

Using it with R-410A will lead to incorrect metering due to different pressure-temperature relationships

Its dual-voltage rating allows for versatile field application

it includes the regulator spring compatible with the Honeywell or White-Rodgers valves standard in these Reznor heating units

Lennox 91M01 TXV 319848-301 Its precise 23-inch length andThe Lennox 91M01 TXV is a precision engineered 6 ton thermostatic expansion valve designed specifically for high capacity R22 refrigerant systems. As an essential metering device for commercial and industrial HVACR equipment, this OEM Lennox part ensures optimal evaporator efficiency by maintaining precise superheat levels. It is built to regulate refrigerant flow accurately, preventing common issues such as compressor flooding or evaporator