Description
Trane VAL11999 Electronic Expansion Valve (EXV) — 7/8″ x 1/2″ for M12 Applications
The Trane VAL11999 is a factory-engineered Electronic Expansion Valve (EXV) designed for use in Trane M12 series HVAC and refrigeration systems. Featuring a 7/8″ inlet connection and a 1/2″ outlet connection, this OEM-grade valve delivers precise, electronically controlled refrigerant metering to optimize system efficiency, capacity, and reliability.
Product Overview
Electronic Expansion Valves replace traditional thermostatic expansion valves (TXVs) with electronically controlled stepper-motor actuation, allowing the system controller to dynamically adjust refrigerant flow in real time. The result is tighter superheat control, improved part-load performance, and reduced energy consumption across a wide range of operating conditions.
Key Features
- OEM Trane replacement EXV for M12 series systems
- 7/8″ inlet x 1/2″ outlet connection sizing
- Electronically actuated for precise refrigerant flow control
- Enables dynamic superheat management for improved system efficiency
- Direct OEM fit — no field modification required
- Engineered to Trane quality and performance standards
- Ideal for commercial HVAC and refrigeration applications
Why Choose an EXV?
Unlike mechanical TXVs, an Electronic Expansion Valve responds instantly to signals from the system controller, adjusting refrigerant flow to match actual load conditions. This results in more stable suction pressure, tighter superheat control, and better overall system performance — especially during part-load operation or variable ambient conditions.
Application
- Designed for Trane M12 series commercial HVAC systems
- Suitable for use as a direct OEM replacement valve
- Compatible with systems utilizing electronic expansion valve control boards and controllers
Specifications
- SKU: VAL11999
- Brand: Trane
- Valve Type: Electronic Expansion Valve (EXV)
- Inlet Connection: 7/8″
- Outlet Connection: 1/2″
- Series: M12
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