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and F-400)
With a substantial 55 in-oz torque rating
While originally optimized for R-22
offering a precise 3-15 psi pneumatic signal conversion for accurate scale readouts
Nordyne 920673A TXV 30067439-890 and F-400)The Nordyne 920673A TXV is a critical metered flow component designed specifically for TR6 R410A 5 ton air conditioning and heat pump systems. Built to survive the high pressures of modern R410A circuits, this thermostatic expansion valve prevents compressor liquid slugging by maintaining precise superheat at the evaporator outlet. Unlike a basic fixed orifice, the 920673A features a balanced port design that compensates for varying head pressures,
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