OEM Furnace Air Pressure Switch Replaces Honeywell IS20124-5609 0.50
ThePart # is 1170927 (also replaces old Part # 1008818 & HQ1008818TR) & it is rated at. 50″ W/C! (Honeywell Part # IS20124-5609). And I will share with every one know how greatly I was treated buy every one there!