Always verify the motor shaft dimensions before attempting installation to ensure a proper fit

This model features a high-precision 1

and oil control

Precision Seating: Silicone-coated EPDM rubber disc ensures a tight seal and prevents "simmering" near set pressure

Lennox 15W12 Expansion Valve 319825-402 Always verify the motor shaftThe Lennox 15W12 Indoor Expansion Valve is a critical OEM component engineered for high precision refrigerant metering in residential and light commercial R410A HVAC systems. As a thermal expansion valve (TXV), it utilizes a 1 2 inch outlet and 3 8 inch inlet connection to maintain the precise superheat required for optimal evaporator performance. This replacement expansion valve is designed to replace part number 100254 06, directly addressing issues