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Thread: Evohome valve adapters

  1. #1
    Automated Home Guru
    Join Date
    May 2017
    Posts
    125

    Default Evohome valve adapters - AD3?

    It turns out I have some sort of Drayton TRVs which are not compatible with the HR92... I thought they looked modern but apparently are the Drayton TRV2 - much wider screw-head.
    My order came with some adapters but not of a type useful to me. And looking on TheEvoHomeShop.co.uk they say I need AD3 but they don't appear to stock it.

    I was really hoping to get this installed before Christmas, any ideas where I buy the damn things? I am googling and every system has its own adaptors but I am struggling to actually find how to buy them. Do I need a Honeywell one or something generic? I can't even find what thread the TRV2 uses to check a converter will fit the 30mm x 1.5mm used in HR92.
    Last edited by MrBoy; 20th December 2017 at 07:42 PM.

  2. #2
    Automated Home Sr Member
    Join Date
    Jan 2012
    Location
    East Sussex
    Posts
    69

    Default

    Have you tried this lot?
    https://www.jtmplumbing.co.uk/heatin...h28-ad3-p17915

    Third item down if they actually have them...

  3. #3
    Automated Home Jr Member
    Join Date
    Nov 2017
    Posts
    11

    Default

    Which adapter do you need??

    I bought several adapter packs to suit my radiators, so have lots of unused ones leftover :/

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