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the 42W31 is the official successor to part number 42W3101
and corrosive vapors common in barn and dairy installations
Precision Regulation: Optimizes heating system performance through advanced modulation and safety limit monitoring
Common signs include frost on the evaporator coil
Lennox 27W48 TXV Assembly THPU32HP7Y the 42W31 is the officialThe Lennox 27W48 TXV Assembly is a precision engineered thermostatic expansion valve (TXV) designed for high efficiency refrigerant metering in residential and light commercial Lennox HVAC systems. As an OEM Lennox part (Catalog Number 27W48, Model R100264 06), this assembly regulates the flow of liquid refrigerant into the indoor evaporator coil, maintaining the optimal superheat required for system stability. This indoor TXV kit is built to
