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Nordyne 661045R Main Burner Orifice #45

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Special Price $15.21 Regular Price $19.77
In stock
SKU
661045R
The Nordyne 661045R Main Burner Orifice is used to adjust the natural gas flow to the assembly and determine the appropriate amount of fuel to supply the combustion in the HVAC systems. It has a size opening of 45, which dictates the amount of gas that can pass under the operating conditions, which assists in the correct fuel-to-air ratio to enable stable ignition and flame. Placed in the gas train in front of the burner ports and are threaded, efficient in heat production, and dependable in working in gas-fired furnaces and other heating parts of the equipment.
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Heat Pump Parts, Burners
Manufacturer:
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Manufacturer Name: Nordyne
Product Number: 661045R
OEM Part Number: 661045R
Product Description: #45 Main Burner Orifice
Weight:0.02lbs/9.07g

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Product Questions (2)
Customer Questions
What maintenance is required for the Nordyne 661045R Main Burner Orifice?

Inspect the orifice for buildup, obstruction, or deformation that can affect gas flow accuracy. Clean gently to preserve the calibrated opening and ensure proper fuel delivery. Verify tight seating in the burner assembly and check for any wear or corrosion that could impact combustion consistency.

What are common issues with the Nordyne 661045R Main Burner Orifice?

  • Restricted gas flow from partial clogging.
  • Irregular flame shape or weak burner output.
  • Carbon deposits affecting fuel distribution.
  • Wear or corrosion altering orifice accuracy.
  • Poor ignition due to misalignment.

Installation Steps

Step 1: Turn off power and gas supply to furnace and allow system to cool to ensure safety.

Step 2: Remove access panel and locate existing burner assembly.

Step 3: Carefully detach old orifice and clean burner area.

Step 4: Install Main Burner Orifice, ensuring correct seating and alignment.

Step 5: Reassemble components and restore panel.

Step 6: Turn on gas/power and test ignition, checking for leaks using soap solution.