Nordyne 920673A TXV 30067439-890 and multi-stage thermostats

and multi-stage thermostats

With a substantial 55 in-oz torque rating

offering a precise 3-15 psi pneumatic signal conversion for accurate scale readouts

cross-referencing directly to part number 56M1301

Nordyne 920673A TXV 30067439-890 and multi-stage thermostatsThe 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,