BACKFLOW SERVICES
Backflow Testing & Prevention Services in San Diego
Backflow prevention is key to your clean water supply. At Reliable Plumbing, we offer certified backflow testing, repair and installation services for residential and commercial properties throughout San Diego County. Whether you’re due for your annual test or need a brand new backflow device installed, we’re here to help fast, efficient and in compliance with city and state regulations.


BACKFLOW SERVICES
What is a Backflow Device & Why Is It Important?
A backflow prevention device stops contaminated water from flowing back into your home or business’s clean water supply. It ensures water only flows one way protecting your drinking water from contamination caused by pressure changes, irrigation systems or cross-connections.
BACKFLOW SERVICES
Our Backflow Services Include:
- Annual backflow testing (we handle city submittal too)
- Device repairs and diagnostics
- New backflow prevention system installations
- Protective cage installations to prevent tampering or theft
BACKFLOW SERVICES
Do You Need a Backflow Test?
- Do you own or manage a commercial property or multi-unit building?
- Have you been notified by the city or water authority to submit backflow test results?
- Has it been over a year since your last test?
BACKFLOW SERVICES
Backflow Warranty Coverage
- Testing: No warranty (this is a diagnostic service)
- Installations: 365 day labor warranty
- Repairs: 15 day warranty on leak related work only
- Protective Cages: No warranty (aesthetic/protective only)
Note: Warranties do not apply if debris is found inside the device or if it’s tampered with by a third party.
GET IN TOUCH
Ready To Start Your Project?
We service all of San Diego County for a variety of residential & commercial plumbing needs. We offer free estimates and 24-hour emergency services.
Backflow FAQs
WHAT YOU NEED TO KNOW
What is a backflow prevention device?
Do I need one?
If you own a commercial property, single home, or multi-unit building, you probably do and the city may send you a letter and require annual testing. The city requires the installation of a backflow for all types of properties.
What if my device fails inspection?
Why a protective cage?

San Diego’s Backflow Experts Since 2001
From Rancho Santa Fe to Lemon Grove we’ve helped businesses, HOAs and homeowners across San Diego stay compliant and protect their water systems. Whether it’s your annual test or a new installation we make it easy.