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Residential Backflow Preventer Testing

Require residential backflow preventer testing?

(If you require commercial backflow preventer testing, CLICK HERE)

Apollo Pressure Vacuum Breaker

Apollo Pressure Vacuum Breaker (PVB) Backflow Preventor

Why is backflow preventer testing important? Because it helps keep your potable water supply safe from impurities. What you don’t want is contaminated water seeping back into the water you drink. A properly working backflow preventer keeps this from happening.

If you have a testable backflow preventer at your home, it’s a requirement that it be tested annually. It may be a pressure vacuum breaker (PVB) for your irrigation system or a reduced pressure zone (RPZ) backflow preventer serving some other purpose. You may have received a letter from the county reminding you to have backflow preventer testing completed. Alpha Plumbing has plumbers who are trained and certified in backflow prevention and can test your device to make sure it’s functioning properly and make the appropriate reports with Anne Arundel County, Howard County, Baltimore County, Baltimore City, or WSSC to keep it in compliance.

Some homes have non-testable backflow devices – a double check valve is a common one. These devices typically are installed on the main water service coming into your home or to keep a fire sprinkler line from backflowing. Code requires that these non-testable backflow preventers be replaced every 5 years.

Backflow Preventor

Watts Reduced Pressure Zone (RPZ) Backflow Preventer

Trust Alpha Plumbing to complete your backflow preventer testing efficiently and professionally. Our crews are equipped with GPS technology to ensure they arrive on time and we background check all of our employees. We’ve earned an A+ rating from the BBB as well as the Angie’s List Super Service Award 10 years in a row, so you can trust that we’re skilled and knowledgeable.

Call 410-255-5998 to arrange for backflow preventer testing at your home. We serve clients throughout central Maryland, including Odenton, Catonsville, Severn, Baltimore, Arnold, Crofton, Millersville, Pasadena, Severna Park, Annapolis and Glen Burnie.

Alpha Plumbing

The Beginning to the End of Your Plumbing Problems

Alpha Plumbing

8813 Fort Smallwood Rd
Pasadena, MD 21122


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MD Licensed and Insured

Master Plumber/Gas Fitter #12450