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Home › Plumbing / Drain Cleaning › RPZ Water Backflow Prevention

Reduced Pressure Zone (RPZ) devices must be operationally certified annually.

1. Licensed plumbers must be state certified to install and test RPZ water backflow valves.
2. Test results kept on-site for state inspector.
3. RPZ water backflow valves are required by law to be in all commercial, industrial sites.

You'll appreciate the quality of PDM's work, neatness and ability to provide services you need quickly and efficiently.

Call PDM for a free RPZ estimate to protect our water supply and meet state health codes. Serving greater Joliet, Plainfield, New Lenox, Frankfort, Lockport and Bolingbrook, IL areas.

 

 

 

 

Watts Reduced Pressure Zone Assemblies

 

 

 

 

What is Water Backflow?

In the same manner as sucking a drink through a straw, contaminants can enter your drinking water line from “cross connections”.

A water cross connection is where a non-drinking water substance (sometimes deadly) has the ability to come in contact with drinking water.

Water cross connections such as these can easily enable contaminants to enter the water lines through a process known as backflow.

Backflow is:

1. Water flowing in the opposite direction of its normal flow and caused by a drop in pressure in a water system (opening a fire hydrant?).
2. Undesirable reversal of flow of non-drinking water substance through a cross connection and into the piping of a public water system.
3. Can allow bacteria, chemicals or physical contaminants to enter the water system and contaminate the water supply of not only at the contamination site but also for those who might drink water from water sources down the line from the contamination site.

The basic means of preventing backflow is by creating an air gap, which provides a barrier to backflow.

Have your water tested at least once a year because no matter how careful you are, careless neighbors, landscapers or other companies can impact your water supply. PDM can help.

For RPZ water backflow testing, repair and installation call the RPZ Doctors at PDM Since 1885.

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Watts RPZ Double Check Valve Assemblies

 

Experience counts.
125 year proven track record.

You have better things to do then remember about your annual RPZ test. PDM certified plumbers can install, test and manage your RPZ controls while you focus on running a business.

• Small to large RPZ cross connection certified service and savings
• Technical experience you can count on
• Complete project management services
• Plumbing line location services
• Piping identification
• Water balancing studies
• Water analysis services

Don’t be liable for not maintaining your water backflow valve.

Call Rudy Mahalik at PDM for a free RPZ estimate to protect our water supply and meet state health codes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Avoid liability.
Order state required annual RPZ maintenance.