Universal Furnace Vent Air Pressure Switch Replacement for Part # 106691 0.54" WC Go to amazon.com Related posts Top 10 best furnace pressure switch .54wc FeatureThis is a Brand New Furnace Vent Air Pressure SwitchTop Quality Replacement Part!Made in the U.S.A.-0.54" WC DescriptionThis is a Brand New Furnace Vent Air Pressure Switch