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the Johnson Controls pneumatic valve body ensures durability and corrosion resistance in hydronic loops
this kit ensures proper fluid flow and prevents costly system leaks
featuring a non-mechanical seat-to-disc alignment that facilitates reliable automatic reseating after each discharge
The White-Rodgers 768A-842 is a professional-grade
making it a drop-in solution for legacy system upgrades and modern BMS integrations
York S1-129201 Expansion Valve 321894-709 the Johnson Controls pneumatic valveThe 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
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