Napa / St. Helena / American Canyon   |  
1370 Trancas St #331  •   Napa, CA 94558   •   (707)-224-7497     |  
Tester License  #14456     |  
Napa Valley Backflow Trsting Logo

About City Backflow Testing            

Testing is coordinated with the City of Napa or City of St. Helena & City of Calistoga in yearly cycles. We test and repair all commercial, industrial and residential fire systems, potable water and well water backflow devices. If necessary, we can install new backflow devices or perform retro fits to older systems.


Backflow Explained

Backflow Explained

Anytime you use water for industrial purposes, you are in need of a backflow prevention valve. Imagine, for example... Read More
schedule your test

Schedule your test

You can schedule your annual backflow preventer test today using our online form. After your test we file all of the... Read More

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About Us

Napa Valley Backflow Testing and Repair is a family owned and operated business that has been serving the Napa Valley area for over 17 years. Owners Jay and Amber Pettit are Napa natives and have lived in Napa for 40 years.

veterans discount Veteran Discount
Our American heroes deserve a 25% discount. Let us know if you have served.

approved backflow device list Approved Device List
See the current list of approved backflow prevention devices.
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backflow screening guidelines Backflow Screening Guidelines
Learn to minimize the visual impact of these devices.
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Copyright © 2016 Napa Valley Backflow, LLC.     •     All Rights Reserved.
1370 Trancas St   #331     •     Napa, CA 94558     •     (707)-224-7497