Water Pressure Testing The plumber attaches a water pressure gauge to a faucet or fixture connection, turns the fixture on to pressurize the gauge, and turns the water meter off to observe the gauge pressure. If the gauge's pressure decreases, there's likely a leak in the system.

The term “rooter service” comes from the problem this service is meant to address: tree root invasions blocking sewer or plumbing lines. While the original design for the rooter machine is no longer used, its conception has led to several effective drain cleaning tools and techniques still in use today.