Designed for precise compatibility with specific Armstrong Air furnace models

Always perform a drop test and gas pressure test at both the inlet and outlet ports to confirm mechanical failure

A visual inspection for bulging or leakage on the capacitor is also recommended

Precise Proportional Control: The 3-7 psi nominal spring range allows for accurate positioning throughout the full damper stroke

engineered specifically to resist the corrosive environment created by condensing furnace cycles

York S1-373-44053-000 Kit mario Designed for precise compatibility withThe York S1 373 44053 000 is an essential OEM Thermal Expansion Valve (TXV) 7 tube distributor replacement kit engineered for precise refrigerant metering in commercial and residential York air handlers and evaporator coils. As a veteran technician, you know that maintaining exact superheat is the difference between a system that slugs and one that runs at peak SEER. This TXV DISTRIB 7 TUBE REPL KIT features a bolt on design for streamlined field