York Parts S1-02435286000 Gas Furnace Air Pressure SwitchGas Furnace Air Pressure Switch from York Parts S1 02435286000 ensures safe, reliable furnace operation by monitoring airflow and triggering a shutoff when drafts are insufficient. This switch is a SPNO (Normally Open) air pressure switch with a 0. 90 setting, designed to protect your heating system and improve performance. It replaces the older 024 27637 000 part, making it a straightforward upgrade or repair option for compatible York gas furnaces.

Direct Spark Igniter

and other intruders

Designed to meet the demands of gas regulator maintenance

this control board integrates with existing controls for straightforward installation and dependable performance

and a compact height of 2-3/4 inches

Approvals: CUL

Beckett AF35 is a precise 3 5/8" blast tube with nozzle line

this igniter kit minimizes downtime and reduces wear on the main burner

Operating Temp: -20 to 105 °F

this rollout switch activates to prevent overheating and protects both the blower and limit control circuits

an outer diameter of 1-9/32 inch

It serves as a reliable replacement or upgrade for compatible burner assemblies