DCI International Water Relay Combination Valve, Gray Knob, 7139

The DCI International Water Relay Combination Valve with Gray Knob is a precision-machined dental operatory component designed to regulate water delivery to handpieces, syringes, and auxiliary units. It ensures consistent flow, reliable switching, and stable distribution, reducing pulsing and supporting consistent spray patterns for cooling, rinsing, and debris management. The gray knob provides an ergonomic grip for quick manual adjustments, and the sturdy construction minimizes leaks while extending the life of connected equipment.