backwater valve

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  1. mbmsv

    Check valve (normally closed) vs. Backwater valve (normally open)

    It appears that I have a normally closed check valve installed in my house on the main sewer line. Most of the recommendations I've seen are calling for a normally open backwater valve to be used. In one article it even says the following: Installation of a check valve on your home’s main...
  2. D

    Is This a Backwater Valve Cover? How to get it off?

    After confirming that the main line and the city/county portion of the lateral from our backwater valve to the street are clear, they camera'ed from the backwater valve back to the house. It revealed what is believed to ba another backwater valve in my basement. This is a 95+ year old house...
  3. L

    Outdoor shower and septic odor

    Since this issue straddles a few areas I thought I’d start here. I have an outdoor shower that my contractor connected to the new septic system he installed. That’s the code here. The problem is that I now have septic odors coming from the shower drain. Can I install a backwater valve to...
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