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Parker-Sporlan 903357P Discharge Bypass Valve 0-80 PSI 3/8" ODF ADRS-2

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Special Price $442.81 Regular Price $491.52
Out of stock
SKU
903357P
Parker-Sporlan 903357P Discharge Bypass Valve is an essential part used in HVAC systems. It features a 3/8" ODF connection and an adjustable pressure rating of 0-80 PSI, which diverts excess discharge gas back into the suction line to keep the system stable. This valve is installed in air conditioning, heat pump, and refrigeration systems to improve efficiency, reduce short cycling and prolong the life of the equipment. It offers the better form of control and management of energy usage and temperature in commercial and industrial HVAC systems.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Specifications

  • Type: Discharge Bypass
  • Connection Size: 3/8" ODF
  • Pressure Rating: 0-80 PSI
  • Model: ADRS-2
Manufacturer Name: Parker-Sporlan
Product Number: 903357P
OEM Part Number: 903357P
Product Description: Adrs-2 0/80# 3/8"Odf Bypass
Weight:2.49lbs/1129.44g

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Product Questions (2)
Customer Questions
What maintenance is required for the Parker-Sporlan 903357P Discharge Bypass Valve?

Regular inspection is required to ensure smooth pressure regulation and prevent internal sticking or clogging. Keep the valve and surrounding lines clean and free from refrigerant oil or debris buildup. Periodically check connections for leaks and ensure proper torque on fittings. Proper maintenance ensures stable system performance and safe operation under varying pressure conditions.

What are common issues with the Parker-Sporlan 903357P Discharge Bypass Valve?

  • Inconsistent pressure regulation causing unstable system performance.
  • Internal sticking or valve not opening/closing properly.
  • Refrigerant leakage at fittings or connection points.
  • Reduced efficiency due to debris or contamination buildup.

Installation Steps

Step 1: Turn off power and recover refrigerant safely using certified recovery equipment.

Step 2: Isolate and depressurize the refrigeration system completely before opening lines.

Step 3: Remove existing old valve and clean copper tubing ends thoroughly.

Step 4: Braze new bypass valve in place using nitrogen purge during brazing.

Step 5: Set valve orientation and secure properly to secure vibration stress.

Step 6: Leak test all joints, evacuate system, and recharge refrigerant to specification.

Step 7: Restore power and check pressure regulation and safe operation under load.