Local Family- Owned Plumbing & Drain Service Since 1974.
Local Family- Owned Plumbing & Drain Service Since 1974.
Clean water is something most people take for granted—until it’s suddenly at risk. A backflow preventer valve is a device that keeps used or dirty water from sneaking back into your clean supply. Without one, a sudden drop in water pressure could pull contaminants into your drinking water. At Harb Plumbing, we install and maintain backflow preventers for homes and businesses so you don’t have to worry about what’s coming through the tap. It’s a small piece of equipment that makes a big difference in protecting your health and property.
If your home has sprinklers, a pool, or even certain types of plumbing fixtures, chances are you need a backflow preventer valve. It works quietly in the background, only becoming noticeable when it fails. That’s why regular service matters. At Harb Plumbing, we provide inspection, installation, and repair of backflow preventers to keep your water safe. We’ve worked on residential systems and large commercial setups, so no job is too big or too small. Our plumbers know the codes, know the equipment, and most importantly, know how to keep your water supply protected.
Dealing with a backup from your floor drain is one of the last things anyone wants. A drain backflow preventer floor drain is designed to stop water and sewage from pushing back inside when the line gets overloaded. The same goes for a sewage line backflow preventer—it protects your property from messy and expensive damage. At Harb Plumbing, we don’t just install these devices; we also repair them when things go wrong. If your basement has flooded before or you’re worried about it happening again, our team can recommend the right solution and get it installed properly.
People often ask, “What is a backflow preventer valve, and why do I need it tested?” Think of it like a safety check. Over time, parts wear out and seals don’t hold like they used to. That’s where backflow preventer testing comes in. At Harb Plumbing, we provide certified testing and inspections to make sure your system is still doing its job. If it isn’t, we’ll repair or replace it before it becomes a bigger problem. Regular testing keeps you compliant with regulations and gives you peace of mind that your water is clean and safe.
A reduced pressure backflow preventer drain system is one of the most reliable options out there. It adds an extra layer of protection against contaminated water entering your clean lines. If you have an irrigation system, a backflow preventer for sprinkler setups is especially important. Without one, fertilizers, pesticides, or standing water from the yard can backflow into your drinking supply. At Harb Plumbing, we’ve seen the damage that happens when backflow preventers aren’t installed or maintained. Choosing the right system today means fewer problems tomorrow—and healthier water for everyone in your home.
Backflow devices aren’t “set it and forget it.” A drain backflow preventer or sewage line backflow preventer needs ongoing care to stay effective. Our team at Harb Plumbing offers certified testing and maintenance so you don’t have to guess whether your system is working. We check valves, seals, and connections, and if something’s not right, we fix it on the spot. Regular service reduces the risk of backups and keeps you on the safe side of code requirements. Call us today for a free estimate and let us keep your backflow prevention system in top shape.
It stops used or dirty water from flowing backward into your clean water supply.
Prices vary depending on the system, but most installations fall between a few hundred dollars and over a thousand.
The main types are reduced pressure zone devices, double check valve assemblies, pressure vacuum breakers, and atmospheric vacuum breakers.
It involves cutting into the drain line and fitting the valve properly. A licensed plumber should always handle this work.
The most effective way is by installing a floor drain backflow preventer and keeping up with regular maintenance.
