Lennox 25W27 TXV Refrigerant and a 30-second post-purge to

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

the assembly features a balanced wheel and robust motor housing to minimize vibration and prevent premature bearing wear

Verify your model number prior to installation

This maintains the high-side pressure at a level sufficient to keep the thermostatic expansion valve (TXV) operating within its intended capacity during low outdoor temperatures

Lennox 25W27 TXV Refrigerant and a 30-second post-purge toThe 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