Lennox 25W27 TXV Refrigerant Always verify your secondary transformer

Always verify your secondary transformer output before installation

reducing operational amperage and heat buildup in commercial environments

Verify your model number prior to installation

Installation requires handling pressurized refrigerant

and a 30-second post-purge to ensure safe combustion chamber conditions

Lennox 25W27 TXV Refrigerant Always verify your secondary transformerThe 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