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Backflow preventer systems and devices by the Peterson Valve are rated number one in the waste backwater valve industry of plumbing and sewer. Visit and learn why. ... Backflow Preventer Sewer Valve ... waste backwater valve backflow preventer...
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www.petersonvalve.com/valve/index.htm
www.petersonvalve.com/valve/index.htm
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Determining the location of sanitary sewer manholes and installing a waste backwater valve can prevent having raw sewage in the basement or a flooded basement. ... Some building codes now require the installation of a backwater valve no matter where the home is located in relationship to the first upstream manhole cover.
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www.backwater-valves.com/Backwater-Valve-Diagram.asp
www.backwater-valves.com/Backwater-Valve-Diagram.asp
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Our innovative backwater valves prevent basement flooding, raw sewage and sewer backups ... By installing the award winning "Mainline Fullport Backwater Valve" in the main line to the sewer, property owners reduce their exposure to such an incident to almost nothing.
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www.backwater-valves.com/
www.backwater-valves.com/
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Backwater valve gate closes automatically when sewer starts to back up ... The Mainline Fullport Backwater Valve's normally open design allows the free circulation of air throughout your plumbing system into the main sewer system line.
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www.websitement-tm.com/z_websitement/Backwater-Valves.h...
www.websitement-tm.com/z_websitement/Backwater-Valves.htm
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Backwater Sewer Valves built by Jay R. Smith Fig. number 7012,7022 :: specification sewer valves ... SEWER VALVES; FUNCTION: Used in main or branch sewer lines to protect basements and low areas against backflow from the street sewers. Valve design permits access to backwater valve assembly, for servicing or cleaning,
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www.jrsmith.com/Products/backw/7012_7022.htm
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Clean Check 3 inch &4 inch ABS and PVC and 6 inch PVC Extendable Backwater Valves ... Anytime a sewer snake passes through a backwater valve damage can occur to the valve flapper or the finished seating surface against which the flapper seals.
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www.cleancheck.com/faq.htm
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Clean Check 3 inch &4 inch ABS and PVC and 6 inch PVC Extendable Backwater Valves ... Protect your home or commercial property from unsanitary and costly sewage backups with the patented; Clean Check Extendable backwater valve!
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www.cleancheck.com/menu.htm
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Simplifies Pressure Testing Test Eze Pipe Plug; ... Test Eze Valve ... Fullport Valve...
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www.backwatervalve.com/
www.backwatervalve.com/
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What is a sewer backwater valve? The majority of properties in Torrance have been built so that a blockage in the public sewer will not cause a sewage backup into the property. However, some properties require the protection of a backwater valve in the owner's drain line.
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www.ci.torrance.ca.us/12673.htm
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