SKU: 99954071896
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Most failures are due to internal sediment buildup or seat degradation
mounting spacers
ensuring a perfect fit in Lennox and Armstrong-Air units
the sight glass must be removed for burner inspection
this specific assembly is designed and calibrated exclusively for liquid propane (LP) gas systems
Lennox 53W06 Valve Assembly 318172-701 Most failures are due toThe Lennox 53W06 Valve Assembly is a critical OEM replacement part designed for high precision refrigerant metering in Lennox residential and light commercial HVAC units. As a high performance thermal expansion valve (TXV), this assembly (also identified by part number R48573 007) is engineered to maintain the ideal superheat at the evaporator outlet, effectively preventing liquid slugging and ensuring compressor longevity. This expansion valve assy