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Nordyne 632550R Pressure Switch N/O 1.0/0.7" WC

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Special Price $59.29 Regular Price $68.19
In stock
SKU
632550R
The Nordyne 632550R Pressure Switch is an essential part of an HVAC system. It is a normally open switch that takes part whenever the pressure in the system exceeds a certain level. This switching device is primarily applied in furnaces and boilers for observing the inside pressure in a combustion chamber. The switch closes when the pressure hits a specific level indicative of effective combustion process allowing continuation of its operation at an optimum condition.
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HVAC Controls & Electrical, Switches, Pressure Switches
Manufacturer:
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Specifications

  • Type: Pressure Switch
  • Pressure Range: 1.0/0.7" WC
  • Configuration: Normally Open
Manufacturer Name: Nordyne
Product Number: 632550R
OEM Part Number: 632550R
Product Description: Pressureswitch No 1.0/0.7
Weight:0.26lbs/117.93g

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Product Questions (2)
Customer Questions
What maintenance is required for the Nordyne 632550R Pressure Switch?

Inspect the pressure switch and tubing for cracks, leaks, or loose electrical connections. Clean sensing ports and ensure no debris or moisture blocks airflow lines. Verify proper cut-in and cut-out pressure operation during service checks and replace the switch if readings become inconsistent.

What are common issues with the Nordyne 632550R Pressure Switch?

  • Stuck open or closed due to diaphragm wear.
  • Incorrect pressure sensing from calibration drift.
  • Tubing blockage or leaks reducing airflow signal.
  • Intermittent system shutdowns under load or vibration.

Installation Steps

Step 1: Disconnect power to the furnace or HVAC unit.

Step 2: Locate the existing pressure switch and note the wire and tubing connections.

Step 3: Disconnect the wires and pressure tubing from the old switch.

Step 4: Remove the mounting screw and install the new pressure switch.

Step 5: Reconnect the pressure tubing and electrical wires to the correct terminals.

Step 6: Restore power and verify proper system startup and pressure switch operation.