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

For contractors performing corrective maintenance

over-tensioned drive belts

providing technical versatility for complex building automation sequences

allowing for a seamless swap-out in compatible Nordyne

Nordyne 920665A TXV 319847-401 Designed to detect differential pressureThe 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