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Emerson Flow Control (Alco) 047655 Hot Gas Regulator 3/8" X1/2" Angle

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Special Price $94.44 Regular Price $108.60
In stock
SKU
047655
The Emerson Flow Control (Alco) 047655 Hot Gas Regulator is used in refrigeration and air conditioning. This regulator regulates the flow of hot gas from the compressor in order to maintain the better performance of the system. It controls the pressure buildup in the system to a higher level, safeguards the compressor from overheating, and enhances the efficiency of the system as a whole by accurately controlling the hot gas flow. Its model has 3/8” and 1/2” Angle connections to ensure easy installation in various positions. This regulator is applied in numerous HVAC applications including commercial refrigeration, chillers, and process cooling equipment.
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HVAC Controls, Flow Control, HVAC Controls & Electrical
Manufacturer:
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Specifications

  • Type: Hot Gas Regulator
  • Angle Connections: 3/8" x 1/2"
Manufacturer Name: Emerson Flow Control (Alco)
Product Number: 047655
OEM Part Number: 047655
Product Description: Hot Gas Regulator 3/8"X1/2"Ang
Weight:1.8lbs/816.47g

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Product Questions (2)
Customer Questions
What maintenance is required for the Emerson Flow Control (Alco) 047655 Hot Gas Regulator?

Inspect the hot gas regulator for stable pressure control and check for refrigerant leaks at the inlet and outlet connections. Ensure the sensing line and diaphragm area remain clean and free from oil or debris buildup. Periodically verify system superheat and discharge pressure response during operation. Proper maintenance ensures accurate modulation, protects the compressor, and maintains stable refrigeration system performance.

What are common issues with the Emerson Flow Control (Alco) 047655 Hot Gas Regulator?

  • Valve sticking due to refrigerant contamination or debris buildup.
  • Inconsistent pressure regulation causing inefficient cooling performance.
  • Leakage at joints or fittings leading to system pressure loss.
  • Erratic operation from worn internal components affecting regulation accuracy.

Installation Steps

Step 1: Turn off system power and isolate refrigerant circuit, confirm zero pressure before opening lines.

Step 2: Remove existing old regulator and clean connections thoroughly.

Step 3: Install new regulator in the correct flow direction, ensuring proper angle orientation.

Step 4: Tighten fittings securely and use purge during brazing if applicable.

Step 5: Leak-test all joints, evacuate system, and check charge per manufacturer specs.

Step 6: Restore power and test hot gas bypass operation.