Installing and Maintaining a Backwater Valve: Cost

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A backwater valve is an installation that acts to prevent backward flow of sewage into a basement due to an overloaded main sewer line. Homes need to have backwater valves as a legal requirement in most jurisdictions. This valve works by automatically closing when sewage backs up from the main sewer system.

Municipalities inspect sewer lines, but it is still very possible for a primary sewer line to conk out and allow water to back up into the basement of the household it serves. Backflow occurs because of an overloaded system and the subsequent pressure that forces sewage away from the main line into the lateral. The lateral line is an underground pipe that carries sewage from homes and delivers it to the main sewer line.

  • How a Plumber Installs a Backwater Valve
    The installation always occurs in the basement at the exit point from the building or in the sewer lateral outside. When installing the valve, the plumber places it in an access box to make maintenance and replacement simpler. This kind of work needs a professional with an understanding of sewer lines. Doing it yourself causes problems in the future making it necessary for you to engage the services of a contractor
  • How Much will it Cost
    Some contractors have the valve and charge you a cumulative price for purchase and installation while others require you to make the purchase and charge you a fee for installation. A backwater valve with an access box costs between $210 and$ 260. Those that do not come with access boxes cost between $180 and $210. Either way, the cumulative cost would be anything between $500 and $2500. However, some contractors charge cheaper than others do depending on locations and the technical aspects of installation. Sometimes, you might need to buy a lid for your valve separately, depending on the manufacturer. A few cities also provide 50% of the installation cost. Consult with your city for confirmation. Some contractors prefer to charge by the hour while it is also possible to get a plumber who charges for the job. Hourly rates are more expensive than fixed rates. Whenever you need to hire a contractor, check directories or consult your city for referrals.

For a backwater valve to last and function efficiently throughout, you must clean it regularly. Maintenance also enhances its efficiency. If grease, dust, and debris accumulate, the flapper will fail, and the valve will malfunction. After every six months, call a plumber or a drain cleaning service to check and maintain your valve.

 

Author

Gail