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Nordyne 663699 Burner Spud

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1  Review Add Your Review
Special Price $17.35 Regular Price $22.55
In stock
SKU
663699
Nordyne 663699 Burner Spud is a gas flow component that is meant to control the amount of fuel that passes into the burner assembly. It operates by metering gas as it flows through the precision orifice forming a controlled flow of fuel that combines with combustion air during operation in gas furnace HVAC systems. The spud is fitted in the burner manifold where it screws in the gas distribution port and aligns with the burner inlet. The flow of metered gas through the orifice aids in achieving the correct mixing of air and fuel, assists in ensuring that the burner flame properties remain constant, and aids in ensuring that furnace heating operation remains stable.
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Heat Pump Parts, Burners
Manufacturer:
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Manufacturer Name: Nordyne
Product Number: 663699
OEM Part Number: 663699
Product Description: Burner Spud
Weight:0.18lbs/81.65g

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Product Questions (2)
Customer Questions
What maintenance is required for the Nordyne 663699 Burner Spud?

Inspect the burner spud periodically for clogging, debris, or oil buildup that can restrict gas flow. Clean the internal passage carefully using approved non-abrasive methods to maintain proper fuel delivery. Ensure tight sealing in the burner assembly and check for corrosion or thread wear to support stable combustion performance.

What are common issues with the Nordyne 663699 Burner Spud?

  • Restricted gas flow due to partial blockage.
  • Uneven flame or weak burner performance.
  • Carbon or debris buildup inside the passage.
  • Corrosion affecting fuel delivery consistency.
  • Air-fuel imbalance causing ignition issues.

Installation Steps

Step 1: Turn off gas and power supply, shut off thermostat, allow unit to cool completely.

Step 2: Remove burner access panel and locate old spud; secure area.

Step 3: Unscrew and carefully extract burner spud using proper tool.

Step 4: Install new burner spud, hand-tighten then secure to specification, ensure proper seating.

Step 5: Reassemble burner assembly and panel, align components.

Step 6: Restore gas and power, test ignition for leaks, check with leak detection solution.