Trane VAL8643 TXV Valve
The Trane VAL8643 TXV Valve is a precision-engineered thermostatic expansion valve designed for specific 2-ton high-efficiency R-410A cooling systems. This OEM replacement part utilizes a 5/16" ODF inlet and a 1/2" ODF outlet to ensure a hermetic seal within the refrigerant circuit. Primarily utilized in Trane and American Standard air handlers and evaporator coils, this valve maintains the optimal superheat required to prevent liquid slugging while maximizing evaporator efficiency. For technicians performing a TXV replacement, the VAL8643 offers reliable modulating control, adapting to load variations in real-time. This 2-ton R410A expansion valve features a balanced port design to compensate for varying head pressures, ensuring consistent HVAC refrigerant metering during peak demand. When diagnosing HVAC expansion valve symptoms such as improper evaporator feeding or low suction pressure, selecting this genuine Trane OEM part ensures compatibility with the existing distributor assembly and liquid line configurations.
Key Technical Benefits- Precise Superheat Regulation: Maintains exact refrigerant flow to protect the compressor and optimize heat transfer across the evaporator fins.
- OEM Compatibility: Drop-in replacement for specific Trane and American Standard 2-ton systems, eliminating the need for line set modifications.
- R-410A Optimized: Specifically calibrated for the pressure-temperature characteristics of R-410A systems.
- Mechanical Durability: Robust construction designed to withstand high-pressure fluctuations and vibration within the cabinet.
What are the signs of a failing VAL8643 TXV?
Common indicators include frost on the evaporator coil, high superheat readings, or the compressor cycling on thermal overload due to restricted refrigerant flow.
Does this valve include the sensing bulb?
Yes, this assembly includes the integrated sensing bulb and capillary tube required for monitoring suction line temperature to modulate the valve orifice.
Is this compatible with R-22 systems?
No, this valve is fixed-orifice calibrated specifically for R-410A pressures and should not be used in R-22 retrofits or repairs.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $230.47
-65%$230.47
$80.66Trane VAL8643 TXV Valve
The Trane VAL8643 TXV Valve is a precision-engineered thermostatic expansion valve designed for specific 2-ton high-efficiency R-410A cooling systems. This OEM replacement part utilizes a 5/16" ODF inlet and a 1/2" ODF outlet to ensure a hermetic seal within the refrigerant circuit. Primarily utilized in Trane and American Standard air handlers and evaporator coils, this valve maintains the optimal superheat required to prevent liquid slugging while maximizing evaporator efficiency. For technicians performing a TXV replacement, the VAL8643 offers reliable modulating control, adapting to load variations in real-time. This 2-ton R410A expansion valve features a balanced port design to compensate for varying head pressures, ensuring consistent HVAC refrigerant metering during peak demand. When diagnosing HVAC expansion valve symptoms such as improper evaporator feeding or low suction pressure, selecting this genuine Trane OEM part ensures compatibility with the existing distributor assembly and liquid line configurations.
Key Technical Benefits- Precise Superheat Regulation: Maintains exact refrigerant flow to protect the compressor and optimize heat transfer across the evaporator fins.
- OEM Compatibility: Drop-in replacement for specific Trane and American Standard 2-ton systems, eliminating the need for line set modifications.
- R-410A Optimized: Specifically calibrated for the pressure-temperature characteristics of R-410A systems.
- Mechanical Durability: Robust construction designed to withstand high-pressure fluctuations and vibration within the cabinet.
What are the signs of a failing VAL8643 TXV?
Common indicators include frost on the evaporator coil, high superheat readings, or the compressor cycling on thermal overload due to restricted refrigerant flow.
Does this valve include the sensing bulb?
Yes, this assembly includes the integrated sensing bulb and capillary tube required for monitoring suction line temperature to modulate the valve orifice.
Is this compatible with R-22 systems?
No, this valve is fixed-orifice calibrated specifically for R-410A pressures and should not be used in R-22 retrofits or repairs.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Trane VAL8643 TXV Valve is a precision-engineered thermostatic expansion valve designed for specific 2-ton high-efficiency R-410A cooling systems. This OEM replacement part utilizes a 5/16" ODF inlet and a 1/2" ODF outlet to ensure a hermetic seal within the refrigerant circuit. Primarily utilized in Trane and American Standard air handlers and evaporator coils, this valve maintains the optimal superheat required to prevent liquid slugging while maximizing evaporator efficiency. For technicians performing a TXV replacement, the VAL8643 offers reliable modulating control, adapting to load variations in real-time. This 2-ton R410A expansion valve features a balanced port design to compensate for varying head pressures, ensuring consistent HVAC refrigerant metering during peak demand. When diagnosing HVAC expansion valve symptoms such as improper evaporator feeding or low suction pressure, selecting this genuine Trane OEM part ensures compatibility with the existing distributor assembly and liquid line configurations.
Key Technical Benefits- Precise Superheat Regulation: Maintains exact refrigerant flow to protect the compressor and optimize heat transfer across the evaporator fins.
- OEM Compatibility: Drop-in replacement for specific Trane and American Standard 2-ton systems, eliminating the need for line set modifications.
- R-410A Optimized: Specifically calibrated for the pressure-temperature characteristics of R-410A systems.
- Mechanical Durability: Robust construction designed to withstand high-pressure fluctuations and vibration within the cabinet.
What are the signs of a failing VAL8643 TXV?
Common indicators include frost on the evaporator coil, high superheat readings, or the compressor cycling on thermal overload due to restricted refrigerant flow.
Does this valve include the sensing bulb?
Yes, this assembly includes the integrated sensing bulb and capillary tube required for monitoring suction line temperature to modulate the valve orifice.
Is this compatible with R-22 systems?
No, this valve is fixed-orifice calibrated specifically for R-410A pressures and should not be used in R-22 retrofits or repairs.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
