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Lochinvar & A.O. Smith 100137145 Combustion Air Fan Assembly

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3  Reviews Add Your Review
Special Price $592.97 Regular Price $658.20
In stock
SKU
100137145
The Lochinvar & A.O. Smith 100137145 Combustion Air Fan Assembly is an essential part that has been developed to increase the efficiency of heating systems. This assembly delivers a continuous and steady flow of combustion air to gas fired water heaters and boilers for efficiency. Through correct rationing of fresh and waste gases it keeps optimal conditions for firing thereby enhancing the efficiency of energy usage and minimizing the output of undesirable gases. Designed for application in numerous HVAC equipment such as water heaters and boilers, the assembly ensures that equipment functions optimally, has a longer life.
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Specifications

  • Type: Combustion Air Fan Assembly
  • Speed: 2070RPM
  • Size: 8-3/4" x 7-4/5"
Manufacturer Name: Lochinvar & A.O. Smith
Product Number: 100137145
OEM Part Number: 100137145
Product Description: Combustion Air Fan Assembly
Weight:11.67lbs/5293.42g

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Product Questions (5)
Customer Questions
Is the Combustion Air Fan Assembly compatible with both Lochinvar and A.O. Smith systems?

Yes, the Combustion Air Fan Assembly is designed to be compatible with heating systems from both Lochinvar and A.O. Smith, providing versatility in applications.

Can I install the Combustion Air Fan Assembly myself?

Installation of the Combustion Air Fan Assembly requires technical expertise and knowledge of HVAC systems. It's recommended to have a trained professional handle the installation to ensure proper operation and safety.

How does the Combustion Air Fan Assembly impact system efficiency?

The Combustion Air Fan Assembly ensures the optimal mixture of air and fuel for efficient combustion, leading to better energy efficiency and reduced emissions.

What maintenance is required for the Lochinvar & A.O. Smith 100137145 Combustion Air Fan Assembly?

Inspect the combustion air fan assembly regularly for dust buildup, loose mounting hardware, and unusual vibration or noise. Keep the fan housing and air passages clean to maintain proper combustion airflow and heating efficiency. Check wiring connections and fan rotation during boiler servicing. Always disconnect power before inspecting or replacing fan components.

What are common issues with the Lochinvar & A.O. Smith 100137145 Combustion Air Fan Assembly?

  • Reduced airflow due to dust or debris buildup.
  • Motor noise or vibration during operation.
  • Electrical connection faults or intermittent power.
  • Fan imbalance causing inefficient combustion air delivery.
  • Overheating or reduced performance under load.

Installation Steps

Step 1: Turn off power supply and confirm unit is fully inactive for safety.

Step 2: Disconnect electrical connectors from the existing fan assembly.

Step 3: Remove mounting screws and carefully take out the old fan unit.

Step 4: Position the new fan assembly and secure it to the housing with screws.

Step 5: Reconnect wiring exactly as previously configured.

Step 6: Restore power and check proper airflow and ignition operation.