The Trane VAL8678 is an OEM thermostatic expansion valve (TXV) used in R-410A air conditioning and heat pump systems, typically around 3-ton capacity applications.
Specifications
Manufacturer: Trane (OEM, often Sporlan-built TXV)
Part Number: VAL8678
Type: Thermostatic Expansion Valve (TXV)
Refrigerant: R-410A
Capacity: ~3 ton (36,000 BTU class)
Connection Size: 5/8" ODF (typical listing for this valve class)
Function: Modulates refrigerant flow based on superheat demand
Application: Evaporator coil metering device for HVAC systems
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