Commercial and Residential Backflow Preventer

Backflow preventers can be classified based on physical construction, application or type of installation. The main types of backflow prevention assemblies are Doubled Check Valve Assembly and Reduced Pressure Principle Assembly. Each type has a dedicated standard from the American Society of Safety Engineers (ASSE).



What is a Backflow Preventer?

A backflow preventer quite simply is a device that stops the undesirable flow of a substance into the potable water system. Due to a reversal of the normal direction of flow caused by a (pressure differential) in the potable water piping system.

backflow preventer services

What Causes Backflow?

Normally, water flows in only one direction through your home. Your plumbing pipes pump fresh water in, and your drain and sewer system sends waste water through to the sewer main. A balance of pressure is maintained between these two systems, which is what keeps water flowing in one direction and everything operating properly. The problem is when a sudden shift in pressure throws off the entire balance.

There are two common types of backflow preventers they are:

  • Doubled Check Valve Assembly (DCV)
  • Reduced Pressure Principle Assembly (RP)

Why You Need Backflow Prevention

Backflow isn’t just disgusting; it also contaminates the pipes in your home that are meant to only handle fresh water. It isn’t safe to use your plumbing system after an event, as you might be exposing yourself to toxic sewage. The entire system has to be flushed out after backflow occurs, which is a time–consuming and expensive process. This is why backflow prevention is so important. Backflow is so common and so harmful, in fact, that most cities require that devices be installed in all homes.

For a free estimate for your backflow, simply call R.E. Plumbing to answer your questions or for service. please call: (866) 502-8824

  • Free Estimate
  • $150 OFF Backflow Installation
  • $25 OFF Backflow Testing
  • $50 OFF Backflow Repairs
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