Key Benefits Precise Pressure Control: Specifically calibrated to maintain a steady 1-2 PSI outlet pressure for downstream equipment requirements

furnace short cycling or a 6-flash error code on the integrated furnace control (IFC) often points directly to a fouled or failing HVAC flame probe

This specific model is designed for White Rodgers ACM series enclosures

the Lennox 86H56 ball bearing provides critical vibration isolation and HVAC noise reduction

this adjustable V-belt pulley features a standard ANSI keyway and secure 5/16-18 knurled setscrews to maintain alignment during high-torque operation

Trane VAL20518 Expansion Valve 30067439-890 Key Benefits Precise Pressure Control:The Trane VAL20518 Expansion Valve is a genuine OEM 3 ton thermostatic expansion valve (TXV) specifically engineered for residential and light commercial HVAC systems utilizing R22 refrigerant. As a critical component in the refrigeration cycle, this valve regulates the flow of refrigerant into the evaporator coil based on heat load, maintaining precise superheat control. For technicians replacing failing metering devices, the VAL20518 is the direct