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Lochinvar & A.O. Smith 100112849 Air Pressure Switch

Rating:
5 5 1
1  Review Add Your Review
Special Price $52.68 Regular Price $60.58
In stock
SKU
100112849
Air Pressure Switch
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HVAC Controls & Electrical, Switches, Pressure Switches
Manufacturer:
https://www.partshnc.com/media/catalog/product/1/0/100112849.jpg
Manufacturer Name: Lochinvar & A.O. Smith
Product Number: 100112849
OEM Part Number: 100112849
Product Description: Air Pressure Switch
Weight:0.19lbs/86.18g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lochinvar & A.O. Smith 100112849 Air Pressure Switch?

Regularly inspect the air pressure switch for dust, debris, or moisture buildup that could affect performance. Ensure tubing connections remain secure and free of blockages. Periodically test switch operation to confirm proper airflow response. Always disconnect power before servicing to ensure safety.

What are common issues with the Lochinvar & A.O. Smith 100112849 Air Pressure Switch?

  • Failure to detect proper airflow, causing system shutdown.
  • Switch not closing or opening correctly.
  • Blocked or leaking pressure tubing.
  • Electrical contact wear leading to intermittent operation.
  • False triggering due to pressure fluctuations.

Installation Steps

Step 1: Disconnect power, lockout/tagout, check no voltage.

Step 2: Remove the old switch access panel and note tubing/wiring positions.

Step 3: Install new switch, mount securely, ensure correct orientation.

Step 4: Reconnect pressure tubing, ensure no leaks or blockages.

Step 5: Wire terminals per schematic and tighten connections.

Step 6: Restore power and test safety shutdown and blower operation.