York 309004 - OEM Replacement Furnace Air Pressure Switch 0.15" WC

SWITCH, PRES, AIR,-0.15 IWC ON FALL,SPNO

SWITCH, PRES, AIR,-0.15 IWC ON FALL,SPNO

The York 309004 - OEM Replacement Furnace Air Pressure Switch 0.15" WC is a Sub-0.5 PSI pressure switch with an On-Off/Sping On (SPNO) mechanism, where SPNO is illuminated when the furnace is off.

The York 309004 is a pressure switch that allows the furnace fan to come on at air pressures between 0.15" WC and 1.0" WC.

The York 309004 OEM Replacement Furnace Air Pressure Switch 0.15" WC is a replacement air pressure switch that is a necessary part for a HVAC system. This part works by turning on the compressor of a central air system when it senses a drop in air pressure from an indoor unit. When the switch turns on, the blower motor will automatically start up, and the gas valve will open. This switch basically runs your furnace or air conditioning system.

The York 309004 furnace air pressure switch 0.15" WC change your furnace from a Pressure Switch to a Pressure-Preset Dial. This low priced item is the same item that you would get from an authorized dealer, but at a fraction of the cost. Replacement Part Number: 31009

The York 309004 Switch is used on forced air furnaces for either high or low pressure. The pressure switch has a 3/4" NPT with female threads and 0.15" water column set point

THE YORK 309004 IS AN O.E.M. REPLACEMENT FURNACE AIR PRESSURE SWITCH THAT MEETS OR EXCEEDS THE MANUFACTURER'S ORIGINAL SPECIFICATIONS FOR CAPACITY, DURABILITY AND SAFETY. YH309004 SWITCH REPLACEMENT FITS NIDOR NEI NEI VALVES, YH309004 IS AN O.E.M. REPLACEMENT FURNACE AIR PRESSURE SWITCH THAT MEETS OR EXCEEDS THE MANUFACTURER'S ORIGINAL SPECIFIC