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is engineered for reliable performance in both chilled water and hot water applications
it effectively monitors plenum temperatures to prevent heat exchanger damage and ensures the furnace blower motor or burner cycles correctly during high-heat conditions
leading to poor atomization and heavy smoke
swapping this assembly restores the modulation capabilities of your Discus or semi-hermetic hardware without requiring a full valve plate replacement
natural gas
Lennox 27W48 TXV Assembly 321702-401 is engineered for reliable performanceThe 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