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Carrier EA36UZ921 Thermal Expansion Valve(TXV)

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Special Price $121.86 Regular Price $140.14
Out of stock
SKU
EA36UZ921
The Carrier EA36UZ921 Thermal Expansion Valve controls HVAC systems by managing how much refrigerant enters the evaporator. The operates based on temperature and pressure to keep the superheat at its better cooling performance. This valve works exclusively in Carrier-made heat pumps and air conditioners. The valve helps systems operate better while keeping temperatures steady and extending compressor life. When the valve controls refrigerant delivery correctly it keeps the evaporator working at its better and uses less energy. The system operates better and uses less power when this occurs.
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HVAC Controls & Electrical, Valves
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Product Questions (2)
Customer Questions
What maintenance is required for the Carrier EA36UZ921 Thermal Expansion Valve?

Inspect the valve for leaks and proper operation regularly. Ensure connections are tight and free from debris. Clean surrounding components carefully, and follow safety procedures when handling refrigerant lines to maintain efficient system performance.

What are common issues with the Carrier EA36UZ921 Thermal Expansion Valve?

  • Improper refrigerant flow causing poor cooling.
  • Valve sticking or not modulating correctly.
  • Leaks at connections.
  • Frosting or icing on the valve body.

Installation Steps

Step 1: Turn off power to the HVAC system and close the refrigerant service valves.

Step 2: Recover refrigerant from the system following safety and environmental guidelines.

Step 3: Remove the existing TXV from the evaporator coil connections.

Step 4: Install the new TXV, ensuring proper orientation of inlet and outlet lines.

Step 5: Reconnect tubing, tighten fittings, and evacuate the system.

Step 6: Recharge refrigerant, restore power, and test for proper cooling and operation.