What is an RP backflow preventer?

What is an RP backflow preventer?

The RP-500 Backflow Preventer is designed to supply maximum protection against back flow caused by negative pressure or backpressure. Backflow may cause infiltration of chemicals, fertilizers and/or other pollutants into potable water systems.

Who installs backflow?

The problem for the sprinkler contractors is that most plumbing licensing laws require the backflow preventer to be installed by the plumbing contractor. Some laws go even farther – requiring a licensed plumber to install all of the piping up to the backflow preventer.

Where should a sprinkler backflow preventer be installed?

Unit must be installed 12 inches (300mm) above ground, but it does not have to be higher than any of the sprinklers. It may not be installed in any location where it might ever be submerged under water. If installed in a structure or basement there must be a drain located near the backflow preventer.

What is a backflow preventer and how does it work?

A backflow preventer is a device that’s installed on your home’s water pipes that allows water to flow in one direction but never in the opposite direction. Its sole job is to prevent drinking water from being contaminated due to backflow.

What is backflow prevention and cross-connection control?

The Cross Connection Control/Backflow Prevention program is a state-mandated program designed to protect the public’s drinking water from contamination by identifying and eliminating cross connections. Every public water system must initiate and maintain a viable cross connection control program.

What is a dual check valve?

A dual check valve, or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. It is also a valve used in air brake systems on heavy trucks.

What is backflow device?

A backflow device is a preventive device that is installed in pipelines carrying potable water to protect the water from harmful chemicals and contaminants. A clogged sewer pipe or an industrial effluent pipe can flow back into the main system and thus contaminate other supply sources.