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Heatcraft 29341804 Thermal Expansion Valve (TXV) Kit

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Special Price $174.29 Regular Price $362.95
In stock
SKU
29341804
The Heatcraft Refrigeration 29341804 Thermal Expansion Valve (TXV) Kit is a refrigerant metering component used to control the flow of liquid refrigerant that flows to the evaporator coil in refrigerant cooling in HVAC systems. This temperature sensor checks the evaporator outlet and regulate the internal valve opening to control the refrigerant flow through the metering passage. That comprises the expansion valve, which is part of the kit and is installed in the liquid line and evaporator inlet of the refrigerant circuit.
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HVAC Controls & Electrical, Valves
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Product Questions (2)
Customer Questions
What maintenance is required for the Heatcraft 29341804 Thermal Expansion Valve Kit?

Regularly inspect the valve for leaks, dirt, or corrosion, and ensure connections are tight. Check system pressure and refrigerant flow to confirm proper operation. Proper maintenance prevents uneven cooling, pressure issues, and ensures safe system performance.

What are common issues with the Heatcraft 29341804 Thermal Expansion Valve Kit?

  • Refrigerant leaks at connections.
  • Improper valve modulation causing uneven cooling.
  • Blockages or restricted flow.
  • Frosting or icing on the valve body.

Installation Steps

Step 1: Turn off and unplug the refrigeration unit to ensure safety.

Step 2: Recover refrigerant from the system following proper protocols.

Step 3: Remove the old TXV carefully, noting orientation and connections.

Step 4: Install the new TXV kit, connecting inlet, outlet, and sensing bulb properly.

Step 5: Leak-test all connections before recharging the system.

Step 6: Restore refrigerant, power on the unit, and verify proper cooling operation.