York Parts S1-02435270000 Gas Furnace Air Pressure SwitchAir Pressure Switch for York Parts S1 02435270000 Gas Furnace ensures safe ignition and proper venting, helping your furnace operate reliably. This replacement air pressure switch is designed for York gas furnaces, delivering dependable performance as part of your HVAC safety system. Built to fit the S1 02435270000 model, it supports precise pressure sensing and fault free startup, contributing to efficient heating and reduced risk of unsafe

nominal timing 30 seconds

The diaphragm is built to withstand routine cycling and provides stable

Designed for efficiency in harsh environments

Corrosion-resistant

and the compact size helps you organize lines in crowded panels

The MA-318 is designed for damper and globe valve applications and is UL listed for Canada and US

Includes Damper Shaft

making it a reliable choice for professional HVAC maintenance and repairs

and maintains efficient operation

3" diameter housing for compact installs

Used On: MT2V Hydronic Boiler Series (MT2V200

Contact material: Gold