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Nordyne 669546R Muffler

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5 5 1
1  Review Add Your Review
Special Price $50.22 Regular Price $57.75
In stock
SKU
669546R
The Nordyne 669546R Muffler is a premium exhaust muffler used in HVAC systems, especially in Nordyne and other compatible heat pump and air conditioning systems. This long lasting part reduces noise produced by the functioning of compressors and other parts of the system. The muffler plays a role of effectively reducing the amplitude of oscillations or the number of oscillations within cycles and thereby prolonging the longevity of the system. Constructed from high-strength materials, it is suitable for high pressure operations hence durability.
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Specifications

  • Type: Muffler
    Manufacturer Name: Nordyne
    Product Number: 669546R
    OEM Part Number: 669546R
    Product Description: Muffler
    Weight:1.2lbs/544.31g

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    Product Questions (2)
    Customer Questions
    What maintenance is required for the Nordyne 669546R Muffler?

    Inspect the muffler periodically for cracks, corrosion, or refrigerant oil residue that may indicate leakage. Ensure all inlet and outlet connections are tight and free from vibration stress. Keep surrounding lines properly supported to prevent strain that could affect noise reduction performance.

    What are common issues with the Nordyne 669546R Muffler?

    • Refrigerant leaks from brazed or welded joints.
    • Reduced noise suppression due to internal restriction or damage.
    • Vibration transfer caused by loose mounting or supports.
    • Corrosion weakening the muffler body over time.
    • Oil buildup indicating refrigerant flow imbalance.

    Installation Steps

    Step 1: Wear gloves and verify system is de-energized before work.

    Step 2: Turn off HVAC power and isolate system.

    Step 3: Remove old muffler from duct line.

    Step 4: Align new muffler with airflow direction arrow.

    Step 5: Secure using approved clamps or sheet metal screws.

    Step 6: Seal joints with HVAC-rated mastic or tape.

    Step 7: Restore power and check for air leaks or noise.