Koolance VLV-13TSPL Drain Valve for ID 13mm (1/2in)
Inline drain valve to expedite coolant evacuation without turning your unit upside-down. Nickel-plated brass.
To use, simply install the valve on a 13mm (1/2in) ID, 16mm (5/8in) OD line near the bottom of your setup. When you need to empty the system, place a 1-Liter container below the valve and unscrew it. Next, open the top Koolance reservoir refill plug on your cooling system.
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