Lennox 13W52 Expansion Valve R-410A eliminating the structural inconsistencies often

eliminating the structural inconsistencies often found with aftermarket alternatives

Key Benefits Precise Flow Regulation: Engineered for accurate gas metering to the pilot light

and rooftop units requiring R-22 refrigerant compatibility

provides the flexibility needed for complex building automation

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Lennox 13W52 Expansion Valve R-410A eliminating the structural inconsistencies oftenThe Lennox 13W52 Expansion Valve (OEM part 100481 04) is a high precision thermostatic expansion valve (TXV) engineered specifically for R 22 refrigerant systems. As a veteran grade HVAC replacement part, this Lennox TXV with check valve ensures consistent superheat levels and protects the compressor from liquid slugging by maintaining a tight tolerance on refrigerant flow into the evaporator. Constructed with a 3 8 inch inlet and a 1 2 inch outlet,