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    • anotheruser
    • By anotheruser 7th Aug 18, 12:01 PM
    • 2,660Posts
    • 1,553Thanks
    What's this?
    • #1
    • 7th Aug 18, 12:01 PM
    What's this? 7th Aug 18 at 12:01 PM
    It's in my loft connected to the heating system.

Page 1
    • jrrowleyws
    • By jrrowleyws 7th Aug 18, 12:20 PM
    • 618 Posts
    • 320 Thanks
    • #2
    • 7th Aug 18, 12:20 PM
    • #2
    • 7th Aug 18, 12:20 PM
    Looks like an automatic air bleed valve.
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