York Parts S1-02435261000 Gas Furnace Air Pressure SwitchGas Furnace Air Pressure Switch, model S1 02435261000 from York Parts, provides precise pressure sensing for your gas furnace to ensure safe ignition and proper venting. This high quality replacement helps protect furnace operation and maintain consistent heating performance. This switch is a direct replacement for 024 27638 001 and is designed for easy installation as part of a reliable gas furnace air pressure switch replacement. It preserves

3/4" nominal

and made to withstand daily use in busy homes or service environments

offering consistent performance and peace of mind

enclosed SPDT relay designed to perform in demanding environments

Easy installation with standard duct connections and quick wiring

1-Stage room control for air conditioners

Compatibility: AMH80403AN/AMH80403AX and AMH80453AN/AMH80453AX gas furnaces

Use this circulating pump flange set to maintain optimal flow and pump life

ensuring consistent voltage delivery to your water heating controls

Built to resist wear and corrosion

An aluminum body keeps weight down while withstanding harsh environments (-40 to 205°F)

paired with a rugged RedHat II enclosure that meets multiple NEMA ratings for versatile installations