though the modular jack is specifically pinned for Metasys and Zone Bus compatibility

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

This motor requires a 10 MFD at 370VAC run capacitor

Designed to detect differential pressure in air or combustion by-products that do not degrade silicone

Nordyne 920665A TXV 319847-401 though the modular jack isThe 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