Lennox 25W27 TXV 328140-751 This component is generally mounted

This component is generally mounted on the heat exchanger or the supply outlet piping to monitor the maximum water temperature before it exits the vessel

engineered for precise fitment on a variety of Carrier

While they share similar footprints

Efficiency Maintenance: Proper alignment prevents blower wheel "hunting" and maintains consistent CFM output

High-Speed Efficiency: The 3200RPM operational speed delivers the precise static pressure required for safe and efficient combustion

Lennox 25W27 TXV 328140-751 This component is generally mountedThe Lennox 25W27 TXV is a critical OEM thermal expansion valve designed for precise refrigerant flow control in high efficiency cooling systems. Engineered specifically for Lennox air conditioner units and heat pump systems, this brass body metering device optimizes evaporator performance by maintaining an exact superheat. As a veteran grade HVAC replacement part, the 25W27 ensures the quantity of refrigerant entering the coil matches the thermal