What size chimney for an Aga?

Discussion in 'Engineers' Talk' started by Ozwald Cobblepot, Nov 16, 2018.

  1. Ozwald Cobblepot

    Ozwald Cobblepot New Member

    Having been passed from pillar to post and seemingly fobbed off a few times by the companies that supplied the Aga and chimney flue pipe, I thought I would ask this community of normal/helpful folk.

    Quite simply: I have an LPG Aga and the shroud where the flue pipe locates has an internal diameter of 124mm (measured with calipers).

    What diameter flue should I be using for an LPG Aga....4" or 5" ?

    I am asking because the 5" pipe already purchased is 126mm O/D and therefore doesn't fit, but a 4" would leave a decent gap all the way around and look odd.

    Many thanks.....in advance

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