
Backflow Prevention Device Testing & Repair in San Antonio
Protect Your Supply of Clean Water
Backflow prevention devices stop water from flowing back into your home, which can cause contamination and serious health problems. At Mr. Rooter Plumbing of San Antonio, we offer comprehensive backflow prevention device testing and repairs for San Antonio and the surrounding areas. Our certified experts ensure your device functions flawlessly, safeguarding your water supply from contamination. Your satisfaction is our guarantee.
Choose Mr. Rooter Plumbing of San Antonio and enjoy the peace of mind brought by a well-maintained backflow prevention device. Call or text us at (254) 277-6678, or contact us online.
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Upfront Flat Rate Pricing
We charge the same price any time, any day, and make sure you approve of it before we start working.
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Locally Owned and Operated
We are proud to be a trusted company in our cities and strive to uphold our customers’ respect.
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Convenient Appointment Times
We make scheduling easy by offering flexible appointment times that can be worked around your plans.

Customer Reviews
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“Todd did a great job fixing the garbage disposal and sink. I would recommend everyone to Mr. Rooter plumbing. ”
Todd J. -
“Gordon came out here late yesterday afternoon and fixed our plumbing problem in no time flat! Awesome first experience with Mr. Rooter and Gordon. Would highly recommend them... ”
Kim P. -
“They were here when they said they would be. They replaced my cast iron pipe on the outside of my home and worked very hard to finish it in one day [...] I will definitely use Mr. Rooter again for any plumbing problems. ”
Connie T.
Choose on Mr. Rooter
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Courteous, Uniformed Professionals You won’t have to doubt who’s at the door when you see our smiling plumbing professional who will treat your home with respect and care.
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Licensed and Insured We strive to give our customers peace of mind by sending the best qualified plumbers to the job with all the necessary licenses and insurance coverage.
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Flexible Service Options Our Good, Better, and Best options plus upfront flat rate pricing make it easy to make informed decisions about your plumbing services.
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Workmanship & Parts Guaranteed We stand behind our work - if your service was not done right, we promise to make it right. Contact your local Mr. Rooter and we will make it right.
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If We Can’t Clear The Drain, Then It Is* Free! ** "is" means the full service charge for the unstop attempt will be credited towards an accepted repair estimate - Not valid with any other offer - Valid only at participating locations _ Locally owned and independently operated franchise Expires: 12/31/2022
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Free Water Heater Inspection! With purchase of a paid service. *Limit one coupon per customer, per day. Restrictions apply. Offer subject to change. Franchise is locally owned and operated.
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