Description
The Trane VAL8678 is a factory-engineered Thermostatic Expansion Valve (TXV) designed for use with R410A refrigerant systems rated at 3 tons of cooling capacity. Featuring a 5/8″ connection size, this OEM-quality valve provides accurate and responsive refrigerant metering to maintain optimal evaporator superheat, protecting your compressor and maximizing system efficiency.
As a direct Trane replacement component, the VAL8678 is built to the same exacting tolerances as the original equipment, ensuring a reliable, drop-in fit for compatible Trane air conditioning and heat pump systems. Whether you are performing a warranty repair or a routine service replacement, this TXV delivers the consistent performance that HVAC professionals depend on.
Key Features
- OEM Trane replacement Thermostatic Expansion Valve (TXV)
- Designed for R410A refrigerant systems
- 3-Ton capacity rating
- 5/8″ connection size for direct OEM fitment
- Precise superheat control to protect compressor and optimize efficiency
- Drop-in replacement for compatible Trane residential and light commercial systems
Specifications
- SKU: VAL8678
- Brand: Trane
- Refrigerant: R410A
- Capacity: 3 Ton
- Connection Size: 5/8″
- Valve Type: Thermostatic Expansion Valve (TXV)
Application
The Trane VAL8678 TXV is intended for use in compatible Trane split-system air conditioners and heat pumps utilizing R410A refrigerant. Always consult the equipment service manual and verify compatibility before installation. Proper installation by a licensed HVAC technician is recommended.
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