providing technical versatility for complex building automation sequences

For contractors performing corrective maintenance

utilizing updated circuitry to mitigate common failure points such as relay sticking or sensor drift

the Reznor 201417 comes as a complete assembly with the 9-pin terminal block pre-wired for immediate connection to the heater's main control interface

Fail-Safe Operation: The 9-13 PSI spring return mechanism guarantees the valve returns to the open position upon loss of control air

Nordyne 920665A TXV 319847-401 providing technical versatility for complexThe Nordyne 920665A is an OEM grade R 22 TXV designed specifically for 3 1 2 ton residential evaporator coils. As a veteran tech, you know that keeping older R 22 systems running efficiently requires precise superheat control, and this thermostatic expansion valve is the proper 3. 5 ton expansion valve replacement to prevent liquid slugging and evaporator starving. It features a high grade sensing bulb and external equalizer assembly to maintain