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    Philo2's Avatar
    Philo2 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 3, 2013, 10:56 AM
    How many stories can I use the vertical wet venting?
    Can I use the vertical wet venting on 5-stories residential building?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jan 3, 2013, 01:24 PM
    Hi Philo

    I'm afraid that is a really loaded question here! A complicated question like this can really only be answered by your local plumbing inspector as each state has different codes/requirements and even then, if wet venting is allowed in a 5 story building it will need approval and your waste/vent design will also need approval from the LOCAL INSPECTOR.

    When it comes to wet venting more than one bathroom off a wet vent you need to increase vent sizes and even then, your local inspector may simply say NO! *UGH*!

    I'm afraid that is all the help I can provide you on this. Call your local inspector and just ask him. In this case, it will definitely save you time/hassles!

    Mark
    FAUCET MAVEN's Avatar
    FAUCET MAVEN Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jan 3, 2013, 05:37 PM
    Frankly the whole idea is not a good one in the first place. Leads to lots of noise & slow carry out of the fixture. Certainly not in a multi-story building. Ever considered a product like a studervent ( air emitting valve .) they let air into the drain line while water is exitting the fixture & are approved in most jurisdictions.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    Jan 3, 2013, 05:44 PM
    Studer vents are not allowed in most codes. An AAV (air admitting valve) if allowed, must be accessible, if you are in The USA. Where are you located?
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #5

    Jan 3, 2013, 06:15 PM
    Five stories of wet venting, throw in some aav's, a little gas, a match, and once the smoke clears, start over with a licensed plumber.
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