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Nordyne 632495R SPST Pressure Switch -0.80" WC

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Special Price $33.47 Regular Price $43.52
In stock
SKU
632495R
The Nordyne 632495R SPST Pressure Switch -0.80" WC is a control element that is utilized in HVAC systems as a gauge to monitor the air pressure conditions. It makes or breaks an electrical circuit when a certain amount of pressure is detected, and assists in checking the proper operation of airflow before igniting the components or running them. The pressure switch is normally used in gas furnaces and air handling, where it is used in conjunction with the inducer assembly to ensure operating conditions.
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HVAC Controls & Electrical, Switches, Pressure Switches
Manufacturer:
https://www.partshnc.com/media/catalog/product/6/3/632495r.jpg
Manufacturer Name: Nordyne
Product Number: 632495R
OEM Part Number: 632495R
Product Description: -0.80"Wc Spst Pressure Switch
Weight:0.16lbs/72.57g

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Product Questions (2)
Customer Questions
What maintenance is required for the Nordyne 632495R Pressure Switch?

Regularly inspect the pressure switch and connected tubing for cracks, blockages, or moisture buildup. Ensure electrical connections remain secure and corrosion-free. Make proper, accurate pressure sensing and safe furnace operation. Always disconnect power before servicing to avoid electrical hazards.

What are common issues with the Nordyne 632495R Pressure Switch?

  • Failure to close or open properly.
  • Blocked or cracked pressure tubing.
  • Incorrect pressure readings.
  • Electrical contact wear or corrosion.
  • Furnace not starting due to switch faults.

Installation Steps

Step 1: Turn off power and gas supply, then apply lockout/tagout and check system is fully de-energized.

Step 2: Remove furnace access panel and locate existing old pressure switch and tubing.

Step 3: Label and disconnect wiring terminals and vacuum tubing carefully.

Step 4: Mount the new switch in the same orientation and secure firmly.

Step 5: Reconnect tubing ensuring no cracks, kinks, or loose fittings.

Step 6: Reattach electrical connectors per wiring diagram and confirm tight connections.

Step 7: Restore power and gas, then run system to confirm inducer draft, switch closure and proper ignition sequence