The John Guest Speedfit emergency shut off tap enables the user to halt the flow of water to a fixture or zone in the case of an emergency or repair work. To permit or limit water flow, merely fully press the valve onto the pipe and turn the knob on top of the Push-Fit fitting. Pushing the collet toward the Push-Fit fitting's body and pulling the pipe to release will allow you to unmount the connection. In comparison to conventional methods, installing the John Guest Speedfit emergency shut-off tap in limited locations is quicker and simpler because it doesn't require hot work or special tools.