ClimaTek Dual Pressure Switch Fits Goodman Amana Janitrol 0130F00478 0130F00440
0130F00478 0130F00440. This is a new ClimaTek Dual Pressure Switch It replaces the part numbers listed below. An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating the proper vacuum for your furnace to flue safely.