Water Leak Detection & Repair in Roswell, GA

Most hidden water leaks come to light only after someone notices a problem. Leak monitoring devices try to shrink that gap, either by sounding an alarm when water reaches the floor or by shutting the supply off automatically. They work best alongside a proper investigation, not in place of one. Alpha Plumbing and Sewer can explain how these devices suit a particular Roswell house, fit a shutoff valve into the supply line, and track down the leaks they report.

Three kinds of devices

• Spot sensors sit on the floor near a water heater, washing machine, dishwasher or toilet, or under a sink. When water touches their contacts they sound an alarm, and many also send a phone alert.
• Automatic shutoff valves mount on the main supply line and close when a connected sensor detects water, or when the valve itself sees unusual flow.
• Flow monitors track how much water moves through the main and flag patterns that suggest a leak, such as a small, constant flow through the night.

Where sensors earn their place

Put spot sensors where a failure would go unnoticed longest and cause the most harm: beside a water heater in an attic or closet, behind the washing machine, under the kitchen sink and dishwasher, near an upstairs toilet, and in an unfinished basement close to the main line. A sensor only reacts to water that reaches it, so set it at the lowest point where water would collect, not on a shelf or off to one side of the likely drip.

What flow monitoring can reveal

A flow-based valve or monitor can notice the slow, steady draw of a hidden leak that never reaches a floor sensor: a pinhole inside a wall, a leak under a slab or a toilet that runs silently. Some models run their own brief pressure test when nobody is using water. When an alert reports water moving with no fixture in use, a meter test confirms it, and locating the source then calls for isolation, acoustic, thermal and moisture methods. Those methods are described in our Georgia leak detection overview.

Limits to keep in mind

• A spot sensor cannot detect a leak inside a wall or ceiling until the water reaches it.
• Flow monitors may flag normal events, such as an irrigation cycle or a long shower, until they learn the household routine or are set up for it.
• Shutoff valves depend on power, batteries or a network connection, depending on the model, and should be tested as the manufacturer recommends.
• None of these devices repairs anything; a leak still has to be found and fixed.

Installing a shutoff valve on the main

An automatic valve is cut into the supply line downstream of the main shutoff, usually where the pipe enters the house, a basement or a garage. The spot needs room for the valve body, access for testing and, for many models, an outlet nearby or a dependable wireless signal. The plumber checks that the pipe is sound and that a working manual shutoff stays in place, since a motorized valve is no substitute for one. If the existing main valve is seized or leaking, faucet and valve repair can replace it at the same visit. Pressure problems found during installation go to water pressure and PRV service.

Permits for plumbing changes in Roswell

Setting a battery sensor on the floor is not plumbing work, but cutting a valve into the main line changes the plumbing system. Roswell's Building Division issues permits for installing, altering or repairing plumbing, generally to contractors who hold the required license or to an owner who lives in the home, and it can say whether a particular valve installation or leak repair needs one.

Questions about leak sensors in Roswell

Do leak sensors need any upkeep?

A little. Test each one now and then as the manufacturer suggests, usually by pressing its test button or touching the contacts with a damp cloth, and replace batteries on schedule rather than waiting for a low-battery chirp. Keep the sensor flat on the floor, clear of rugs and boxes, and check that phone alerts still arrive after any change to the home network.

What happens if an automatic shutoff closes while I am away?

The house goes without water until someone reopens the valve, usually through an app or a button on the valve. Before reopening it, look for the cause: check around the sensor that triggered it and read the meter with fixtures off. If the cause is not obvious, leave the water off and have the system checked rather than restoring full pressure to a possible leak.

Do I still need professional leak detection if I have a smart water monitor?

A monitor tells you water is moving when it should not be, and sometimes roughly how much. It cannot tell you where. When an alert holds up after a meter check, finding the actual pipe, fitting or fixture still takes isolation testing and locating tools, followed by a repair at the right spot.

Talk about leak protection

If your monitor has flagged a mystery flow, or you would like a shutoff valve added to the main in your Roswell home, call Alpha Plumbing and Sewer at (404) 409-4448.