Hydrogen Sulphide Odour

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    • #278826
      Avatar photoMasterPlumbers

        We have two upstairs bathrooms in our home. Fitted to one of the toilets is a vent pipe to the roof. Fitted to the other toilet is a one-way valve that allows air to enter the system when the toilet is flushed (presumably to help to downward rush of water?). The first toilet is fine, but a hideous stench sometimes comed from the second toilet after flushing – sometimes just randomly. Is it possible that I’ve got some sort of a gas trap? If so, would converting the one-way valve to a second vent pipe solve the problem?


      • #299378
        Avatar photoSylvanLMP

          Air admittance valves (AAV’s ) some times called Pro vents are In my professional Not only unprofessional BUT a health Hazard and the stumble bum code inspectors that approve this I think are just looking to line their pockets and to hell with public safety. NOTHING beats Mother natures Natural vent.

          Have this garbage replaced and have a real professional vent connection installed. Why rely on cheapo plastic and a piece of rubber for integrity?

        • #299379
          Avatar photorobala

            John, I agree with Sylvan 100% on this one.

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