Description
This is a brand new OEM Lennox Armstrong Ducane upgraded TXV Valve 3.5- 5 Ton R-410A. It replaces the part numbers listed below.
Function:
The thermostatic expansion valve controls one thing only: the rate of flow of liquid refrigerant into the evaporator. This is achieved by monitoring temperature and pressure in the refrigerant system.
Replaces Old Part #s:
12J20 49L25 91M02
Repair Difficulty Level:
Partial List of Units that Use This Item:
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