Lennox 15W12 Expansion Valve 319847-401 this is a fixed 0

this is a fixed 0

this plug-in transformer eliminates the need for complex hardwiring

and S6N series

Field technicians must verify the manifold pressure and shank length to ensure a proper fit within the combustion chamber

Lennox 15W12 Expansion Valve 319847-401 this is a fixed 0The 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