York S1-129201 Expansion Valve R-407C Easy Maintenance: The threaded bonnet

Easy Maintenance: The threaded bonnet allows for quick internal inspection and cleaning without removing the entire valve from the piping

If you hear a loud grinding or humming noise when the furnace starts

High Volumetric Efficiency: Advanced scroll design optimizes gas compression for maximum 89

specifically tested for life safety smoke control systems

The Johnson Controls VG7243RT is a robust 1 1/2 inch two-way normally open globe valve engineered specifically for high-accuracy control of hot water

York S1-129201 Expansion Valve R-407C Easy Maintenance: The threaded bonnetThe York S1 129201 Expansion Valve is a critical precision metering device designed for high efficiency refrigerant flow control in residential and light commercial HVAC systems. This thermostatic expansion valve (TXV) utilizes a 1 2" inlet, 7 8" outlet, and 1 4" external equalizer connection to maintain optimal superheat across the evaporator coil, preventing liquid slugging and protecting the compressor. Featuring a 5 foot long capillary tube and a