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Nordyne 664048R 0.048" Restrictor Orifice #48

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Special Price $17.68 Regular Price $22.98
In stock
SKU
664048R
The Nordyne 664048R Restrictor Orifice is a refrigerant metering device that regulates the flow of refrigerant in cooling unit. Refrigerant flows through an opening of 0.048 calibrated orifice which forms a fixed restriction that measures the quantity of refrigerant entering the evaporator section utilized in HVAC systems. The orifice insert is placed into the distributor or liquid line assembly of the refrigerant circuit and create an exact flow of refrigerant. It is located in the refrigerant pathway close to the evaporator inlet and ensure regulated distribution of refrigerant in the system.
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Manufacturer:
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Manufacturer Name: Nordyne
Product Number: 664048R
OEM Part Number: 664048R
Product Description: .048 Restrictor Orifice #48
Weight:0.01lbs/4.54g

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Product Questions (2)
Customer Questions
What maintenance is required for the Nordyne 664048R .048 Restrictor Orifice?

Inspect the orifice periodically for dust, soot, or debris that may restrict gas or refrigerant flow. Clean carefully using non-abrasive methods to preserve the accurate opening size. Ensure it remains securely seated and check for corrosion or wear that could affect consistent system performance.

What are common issues with the Nordyne 664048R .048 Restrictor Orifice?

  • Partial blockage reducing gas or refrigerant flow.
  • Uneven burner or system performance due to restriction.
  • Carbon or debris buildup affecting efficiency.
  • Wear or corrosion altering flow accuracy.
  • Improper seating causing performance instability.

Installation Steps

Step 1: Turn off power and gas, depressurize system, and wear gloves before servicing HVAC unit.

Step 2: Access metering device in HVAC line and remove old orifice carefully using proper tools as needed.

Step 3: Install new orifice ensuring correct orientation and seating, secure firmly to manufacturer specs.

Step 4: Reassemble system, restore power, and check for leaks and proper refrigerant flow after startup operation thoroughly.