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Daikin-McQuay 335053003 Thermal Expansion Valve(Txv) ,1-1/8 Inch X 1-3/8 Inch Odf

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Special Price $739.64 Regular Price $821.00
In stock
SKU
335053003
The Daikin-McQuay 335053003 Thermal Expansion Valve is used in air conditioning and chiller elements in HVAC systems. It regulates the quantity of the refrigerant entering the evaporator coil based on the temperature, and pressure level at the evaporator outlet. It measures any temperature variations to control the inner valve opening and the flow of refrigerant. The refrigerant is allowed to expand and then flow into the evaporator, through the 1-1/8" by 1-3/8" ODF fittings, which connect the valve liquid line and evaporator inlet. It facilitates a steady cooling process, and a steady heat uptake in the system.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Manufacturer Name: Daikin-McQuay
Product Number: 335053003
OEM Part Number: 335053003
Product Description: Thermal Expansion Valve(Txv) ,1-1/8 Inch X 1-3/8 Inch Odf
Weight:2.19lbs/993.37g

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Product Questions (2)
Customer Questions
What maintenance is required for the Daikin-McQuay 335053003 Thermal Expansion Valve?

Regularly inspect the thermal expansion valve for leaks, corrosion, or blockages. Clean the valve inlet and check the sensing bulb placement. Ensure proper refrigerant flow and avoid physical damage during handling to maintain efficient system operation.

What are common issues with the Daikin-McQuay 335053003 Thermal Expansion Valve?

  • Refrigerant flow restriction or uneven cooling.
  • Valve sticking or sluggish response.
  • Leaks at connections or fittings.
  • Improper superheat adjustment.
  • Frosting or icing around the valve.

Installation Steps

Step 1: Recover refrigerant and ensure system is depressurized for safety.

Step 2: Remove old TXV and clean line connections.

Step 3: Braze new valve in correct flow orientation using nitrogen purge.

Step 4: Connect sensing bulb firmly to suction line and insulate.

Step 5: Leak-test, evacuate system, and recharge refrigerant to specs. Verify operation.