Water On/Off Relay Valve Tubing screw end cap down until

screw end cap down until flush against handpiece head

Turn delivery unit off

you will want to find a convenient and appropriate spot to cut this line

Compatible with all standard arms

Water On/Off Relay Valve Tubing screw end cap down untilOn off relay valve is used to activate water coolant for handpieces or automatic cuspidor rinse. Water relay valves are designed to prevent retraction of water. If handpiece water fails to shut off, then you need to replace the water on off relay valve. Product Details: Activated by an on off toggle. Attaches to 1 8" tubing. Installation Instructions (PDF): Turn off main supply of air and water. Install appropriate sized barbs with washers. Apply