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Saniflo Sanicompact - who makes 10psi AAV 32mm solvent weld?

Discussion in 'Plumbing and Central Heating' started by jason1958, 17 Nov 2014.

  1. jason1958

    jason1958

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    Saniflo Sanicompact note that where the pipe discharge is below the floor level of the unit, an AAV (Durgo) may be required with 10psi rating.

    The discharge from the 32mm to 110mm stub soil stack is pfft, 100mm below finished floor level.

    An alternative option is for the drop to be in the next size up pipework (ie, 40mm).

    Q- Anyone know of a 10 psi rated AAV in solv weld 32mm ?

    Floplast say their AF32 is NOT rated to 10 psi, macalpine is multi-fit only which I am not going near with Saniflo ... so which genius has a 10 psi unit? Typical of Saniflo to not specify one, which begs how it got BBA cert if none is actually available except "if required notional product vapourware".
     
  2. jason1958

    jason1958

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    Well no-one will rate their AAV to 10psi.
    Saniflo say they can not suggest any brand, but "this has never been a problem".

    Er, so when a pipe DOES block... what chance does the AAV have of holding back the positive pressure of a Saniflo pumping you know what against it?! The French really have not given up have they?

    So the logical solution is to increase the vertical fall discharge pipe diameter to break any siphon. Put simply, raise the 110mm stub waste soil pipe so the 32mm discharge pipe ends above the horizontal plane on which the Sanicompact pump housing sits.
     
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  4. Dan Robinson

    Dan Robinson

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  5. jason1958

    jason1958

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    Heh, I understand perfectly the hatred of them.

    Fortunately it is urination only.
    - Old amputee, sitting up ensures tilted bladder empties fully
    - Faecal toileting via Care Bags & Bed Pan, milton fluid & NHS safety gel super absorbent powder ensures gelled odourless mass (milton vital for that) and perfect anti-contagion hygiene.

    UNfortunately, I would have preferred a GRUNDFOS SOLOLIFT2 CWC-3.
    - Proper high powder cutting grinder - copes with rare "wrong item, stupid"
    - Easy clean, lift-out system - no need to remove toilet etc
    - Easy side-port for compact to partition toilet

    Being able to fit a short projection toilet with 110 side-bend avoids having to use a Sanicompact which is a bit of a dinosaur until/if Saniflo stick a more powerful proper grinder & motor in it.

    Grundfos look like they MIGHT have created a more service friendly, rarer service required and less service dependent solution (no cleaning required either).
     
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