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The Trane VAL8057 Expansion Valve is a critical thermostatic control component designed for 5-ton residential and light-commercial HVAC systems
Replacing a failed furnace control board with this factory-exact match eliminates the diagnostic headaches associated with intermittent relay chatter or internal solder joint failure that often mimic sensor issues
System Optimization: Essential for dual fuel applications to manage the transition between heat pump and furnace based on outdoor lockout temperatures
For technicians managing commercial HVACR systems
Siemens Building Technology 599-02029 Valve 328140-751 The Trane VAL8057 Expansion ValveThe Siemens Building Technology 599 02029 Valve is a 1 inch, 2 way normally closed globe valve designed for precision modulation in demanding terminal unit applications. Built with a rugged forged brass body and stainless steel trim, this MT Series valve body is rated for ANSI Class 250 pressure requirements. It features a 10 Cv flow coefficient with an equal percentage flow characteristic, making it ideal for the control of hot or chilled water, 50%
