Lennox 15W12 Expansion Valve 326058-755 Always inspect the burner assembly

Always inspect the burner assembly and draft inducer when Replacing a tripped limit switch

making it a staple for any HVAC professional's service truck when troubleshooting high-efficiency condensing units

Robust Pressure Range: Compatible with standard pneumatic control systems operating between 15 and 30 Psig

Always verify the physical dimensions of your existing frame before ordering

this 700 series Robertshaw valve provides reliable performance in demanding mechanical rooms

Lennox 15W12 Expansion Valve 326058-755 Always inspect the burner assemblyThe 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