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Rheem PD619090 Thermal Expansion Valve(TXV) Kit

Special Price $274.43 Regular Price $304.62
In stock
SKU
PD619090
The Rheem PD619090 Thermal Expansion Valve kit is a crucial part of the refrigeration flow direction within HVAC systems, thus ensuring reliable and also effective cooling functions. But it does so by regulating itself what goes into the evaporator coil all the time. The adjustment in terms of flow rate is made depending on the cooling load to prevent freezing or overloading in addition to keeping ideal temperatures in the coil. Multiple systems can find application for this TXV type including home and commercial HVAC systems. Some of its key benefits are improved system performance, temperature management, and a longer longevity of equipment. Furthermore, maintaining appropriate refrigeration flow helps optimize energy savings while ensuring that your air conditioning unit runs smoothly during different load conditions.
Manufacturer:
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Specifications

  • Weight: 1.12 lbs
  • Type: Thermal Expansion valve
  • Material: Brass
Manufacturer Name: Rheem-Ruud
Product Number: PD619090
OEM Part Number: PD619090
Product Description: Txv
Weight:1.12lbs/508.02g

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Customer Questions
What maintenance is required for the Rheem PD619090 Thermal Expansion Kit?

Maintenance involves inspecting for refrigerant leaks, ensuring clean connections, and verifying stable superheat settings. Regular system servicing maintain efficient cooling and prevents valve sticking or restriction issues. Always depressurize system and follow safety protocols before handling refrigerant components.

What are common issues with the Rheem PD619090 Thermal Expansion Kit?

  • Stuck or restricted valve operation.
  • Incorrect superheat control causing poor cooling.
  • Refrigerant underfeeding or overfeeding.
  • Valve hunting or cycling instability.
  • Debris clogging internal passages.
  • Bulb or sensing line malfunction.

Installation Steps

Step 1: Turn off HVAC power and recover refrigerant from the system before opening the circuit.

Step 2: Remove access panel and locate existing expansion valve and sensing bulb.

Step 3: Disconnect refrigerant lines carefully and remove old thermal expansion valve assembly.

Step 4: Install new valve in correct flow direction and braze connections.

Step 5: Mount sensing bulb securely on suction line and insulate properly.

Step 6: Evacuate system, recharge with correct refrigerant, then test the system performance for stable operation.