York Parts S1-02435978000 Pressure SwitchYork Parts S1 02435978000 is a pressure switch designed for air pressure control in York HVAC systems. This reliable air pressure switch activates precisely at 0. 67 in. wc on fall, delivering dependable performance when cooling or heating cycles begin. The compact design fits a range of York control configurations, helping simplify installation and minimizing downtime. As a genuine York OEM replacement part, it installs quickly and integrates with

The valve is designed to withstand up to 145 PSI static pressure and 15 PSI differential

Auto reset after overheating for continuous operation

The unit supports two sensor inputs using 1097 Ohm PTC sensors at 77 Deg F and can monitor distances up to 1000 feet from the sensor

blower systems

It features a glazed L-5 Steatite insulator for exceptional thermal stability and a copper plated finish with a nickel plated steel male terminal for secure electrical connections

Humidifier Duct Nozzle is a pivotal replacement part for Honeywell Home and Resideo humidification systems

Type: Plug-In design provides quick

automatic operation to balance room temperatures and reduce energy waste

Weighing about 8 pounds

1" union connection for easy installation and service

tool-free replacement

This 3/4 inch nominal valve features female soldered x female soldered end connections and an end-to-end distance of 3-3/8 inches