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Nordyne 663862R 3/8" High Side Service Valve

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5 5 1
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Special Price $58.98 Regular Price $67.83
In stock
SKU
663862R
The Nordyne 663862R 3/8” High Side Service Valve is an essential part of the HVAC systems, especially the refrigeration and air conditioning systems. This valve is used for opening the high side of the refrigeration system only. It enables technicians to make connections of gauges and other service equipment to read pressures, to evacuate the system and to charge or recover refrigerant. The 3/8” size is an industry standard size which assure compatibility with most service tools. The valve provides tremendous service to HVAC system technicians in the process of service and maintenance of the refrigeration systems.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Specifications

  • Type: High Side Service Valve
  • Size: 3/8"
Manufacturer Name: Nordyne
Product Number: 663862R
OEM Part Number: 663862R
Product Description: 3/8" High Side Service Valve
Weight:0.25lbs/113.4g

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Product Questions (2)
Customer Questions
What maintenance is required for the Nordyne 663862R Service Valve?

Inspect the valve regularly for refrigerant leaks, damaged threads, or worn seals that can affect pressure control. Keep the service port clean and capped when not in use to prevent contamination. Ensure smooth operation of the stem and check for corrosion or buildup that could interfere with proper sealing.

What are common issues with the Nordyne 663862R Service Valve?

  • Refrigerant leakage from worn seals or fittings.
  • Difficulty turning or sticking valve stem.
  • Stripped or damaged service port threads.
  • Corrosion affecting sealing performance.
  • Pressure loss due to internal seal wear.

Installation Steps

Step 1: Disconnect power and recover the refrigerant.

Step 2: Remove the old high-side service valve from the refrigerant line.

Step 3: Clean and prepare the tubing connections.

Step 4: Install the new valve in the correct position.

Step 5: Braze or connect the valve and protect it from excessive heat.

Step 6: Evacuate the system, recharge with refrigerant, restore power, and check for leaks and proper operation.