What if contaminated water could enter your home through your own plumbing?
You've probably never thought about backflow. Most homeowners haven't. But backflow is real, it's a code requirement in most municipalities, and it's a health hazard your family needs protection from. You need someone who explains what backflow is, why it matters, and how proper prevention protects your family's water supply.
We refuse to install backflow preventers without proper engineering assessment. Not all preventers fit all situations. We assess your plumbing, determine what type of preventer your home needs, and install it to code. Reads like boring, but it's the difference between protection that works and equipment that fails when you need it most.
We also refuse to skip testing. A backflow preventer that isn't tested is just a piece of equipment. We test it to confirm it's actually protecting your water supply.
That's backward logic. You need fire insurance even if you've never had a fire. You need a backflow preventer before a problem happens, not after.
Backflow occurs when water pressure drops in your supply line or reverses direction. This can happen from main breaks, fire suppression, or high-demand usage. When it happens, contaminated water from your home's drainage system can flow backward into your drinking water supply.
You won't know it happened. You won't taste it. Your family will drink contaminated water. The disease transmission can take weeks to appear.
That's why codes require backflow preventers. That's why insurance companies care about them. That's why you need one.
We dismantle this objection completely because it's critical. A backflow preventer isn't an optional upgrade — it's essential home protection.
A whole-house backflow preventer protects your entire home's drinking water supply. For most San Dimas homes, this is the right solution.
What you get: Complete protection from the water meter to every fixture in your home.
Some homes need protection in specific areas — irrigation systems, swimming pools, hot tubs, or boiler systems. Zone protection isolates contamination risk.
When it applies: Homes with secondary water sources or high-contamination-risk systems.
RPZ preventers are the most rigorous backflow protection available. They're required in high-hazard situations — commercial applications, medical facilities, or homes with multiple contamination risks.
When it's necessary: High-risk scenarios or municipal code requirements for your specific situation.
Most municipalities require annual testing of backflow preventers. We handle the testing, provide documentation, and remind you when testing is due.
What's involved: Full functionality test, visual inspection, and certification of compliance.
A failed preventer leaves you unprotected. We repair failed preventers quickly or recommend replacement if repair isn't cost-effective.
What you get: Restored protection and documentation of the repair.
Irrigation systems are a major backflow risk. We install dedicated backflow prevention on irrigation lines to protect your home's drinking water.
What it does: Prevents fertilizers and pesticides from entering your home's water supply.
Proper installation has minimal impact on pressure. Improper installation or an old/failed preventer can cause problems. We install correctly so water flows normally.
Most preventers last 10+ years. We test annually to catch failures before they happen. A maintained preventer is protection you can count on.
Check your local San Dimas code. Most municipalities require backflow prevention. Even if not required, it's essential protection for your family's health. Insurance companies recognize this.
Q: What exactly is backflow and why should I worry about it?
A: Backflow is contaminated water flowing backward into your drinking water supply. It happens when water pressure drops or reverses in the supply line. A backflow preventer stops this from happening. You need this protection.
Q: How much does backflow preventer installation cost in San Dimas?
A: $400–$1,000 depending on preventer type and installation complexity. Annual testing costs $100–$150. We quote exact pricing after assessing your situation.
Q: Does my home need a backflow preventer?
A: If you're in San Dimas and the local code requires it, yes. If you have irrigation, a pool, hot tub, or boiler system, yes. Even if not required, it's health protection we recommend.
Q: How often should I have it tested?
A: Annual testing is standard and often required. We'll remind you when testing is due and schedule it quickly.
Q: What happens if a backflow preventer fails?
A: Your family's drinking water supply is at risk of contamination. We test annually to catch failures before they happen. A failed preventer gets replaced immediately.
"Didn't understand backflow until they explained it. Realized I had an old system that probably didn't work. They installed proper protection, tested it, and I got documentation. Now I know my family's water is protected."
"Required backflow testing for insurance. Gladdings came out, tested the system, provided certification. Simple, professional. Now my insurance is happy and my protection is confirmed."
"Pool installed and code required backflow prevention. They installed the right system, tested it, and explained how it protects my home. Professional from start to finish."
Free backflow assessment. We'll determine what protection your home needs and explain why.
[Schedule Your Free Backflow Assessment]