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Trane VAL18892 Expansion Valve

Rating:
5 5 2
2  Reviews Add Your Review
Special Price $117.40 Regular Price $135.01
In stock
SKU
VAL18892
Trane VAL18892 is a thermal expansion valve also known as TXV that aims to enhance functionality in commercial HVAC systems which utilize equipment from R410A refrigerant. There is a possibility of regarding it as a gatekeeper that regulates the access of the refrigerant into the evaporator coil. It has the brazed connections and is only 4” long. However, the Trane VAL18892 is fairly small with the 7-ton capability more suitable for use in commercial buildings. The operation of the thermostatic actuator depends on the temperature of the refrigerant gas passing through the evaporator coil and before it leaves the coil.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Specifications

  • Length: 4"
  • Capacity: 7 TON
  • Size: 0.375 x 0.5"
  • Working Pressure: 85/81 PSI
  • Weight: 0.09lbs
  • Actuator Type: Thermostatic
Manufacturer Name: Trane
Product Number: VAL18892
OEM Part Number: VAL18892
Product Description: Expansion Valve
Weight:0.09lbs/40.82g

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Product Questions (2)
Customer Questions
What maintenance is required for the Trane VAL18892 Expansion Valve?

Inspect the expansion valve for signs of refrigerant leaks or buildup and clean surrounding surfaces gently. Check that connections are secure and free of debris. Regular checks support consistent refrigerant flow and efficient cooling performance.

What are common issues with the Trane VAL18892 Expansion Valve?

  • Leaks developing around fittings.
  • Improper valve movement affecting flow.
  • Clogging from debris or impurities.
  • Uneven system cooling or pressure variations.

Installation Steps

Step 1: Turn off power and recover refrigerant from the system to ensure safety.

Step 2: Locate and remove the existing expansion valve, noting inlet/outlet orientation.

Step 3: Install the new valve, aligning ports correctly with the lines.

Step 4: Secure fittings tightly to prevent leaks.

Step 5: Evacuate and recharge the system with the proper refrigerant.

Step 6: Restore power and test system cooling performance, checking for leaks and proper flow.