Lennox 13W52 Expansion Valve R-410A A healthy Lennox system generally

A healthy Lennox system generally needs to see a reading above 1

and physical mounting specifications of the original part

It is factory-calibrated for natural gas applications with a standard 4" W

protecting the compressor from thermal overload and catastrophic failure due to restricted airflow

Lennox 13W52 Expansion Valve R-410A A healthy Lennox system generallyThe 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,