always verify the specific timing specifications and pole count against the existing wiring diagram before installation

The normally open (NO) contacts close when the specific vacuum threshold is met

code-compliant solution for air tanks and receivers requiring high-flow discharge in a compact footprint

this gasket prevents combustion byproduct leakage and ensures that the inducer motor maintains the necessary static pressure to safely vent flue gases

Its robust housing is built to withstand the thermal cycling typical of furnace vestibules

Nordyne 669554R TXV Els PW 17895 always verify the specific timing3. 5 Ton R22 TXV 669554R is the direct replacement for 669554