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  1. R

    Underground drain bedding

    Thanks for that. I didn’t know about bridging over the top so I’ll look into getting some flags.
  2. R

    Underground drain bedding

    Thanks. That’s what I thought about the builders to be honest. The decking was about 350mm above the pipe and that’s roughly how high the patio will be above it once done. I really don’t want issues down the line once the patio is done so I might have to replace the mud with pea shingle unless...
  3. R

    Underground drain bedding

    Hi. I’m in the process of lifting my raised decking and replacing it with a patio. The decking was built at the same time as the house in 2007 (before I bought it in 2014) There is a foul drain pipe running under the decking and now I can see it better I’ve noticed it doesn’t seem to be bedded...
  4. R

    Auto Bypass Valve Stuck Open?

    Finally got around to changing this abv today. The old one was indeed broken as there’s no resistance at all no matter what the knob is set too. New one fitted and the return pipe doesn’t get hot straight away now when set to 6 but it did when I wound it down to 1. Just need to work out what to...
  5. R

    Auto Bypass Valve Stuck Open?

    This was posted about the DU145 a few years ago. “I spoke to Honeywell tech support and they confirmed: Removed red knob and dial. Push knob back on and turn knob ANTICLOCKWISE until end stop (this can take quite a few turns). This is setting 1. Replace knob with dial on setting 1. Turn knob...
  6. R

    Auto Bypass Valve Stuck Open?

    Yeah I didn’t know that when I turned it to “7” but it was already stuck open before I did it. I’ve actually just tried turning it back to 1 where there is meant to be a stop but it went straight past back to 6 then 5. I don’t know what’s going on with it but I’m definitely going to get a new one.
  7. R

    Auto Bypass Valve Stuck Open?

    Yeah I know what you mean about the weather. I don’t want to risk it either really. I turned it a bit passed 6. Maybe to what would be 7 then thought better of it and turned it back. I don’t think my system even needs an abv, as my boiler doesn’t have overrun, and I have a rad with no trv in...
  8. R

    Auto Bypass Valve Stuck Open?

    Hi. Did you get your abv replaced? I have the same DU145 and I think mine is stuck open too i.e. return pipe from abv starts to get hot straight away after turning the heating on. When I try to close the valve it seems to just keep turning. It was set at 5 and a half but it’s now at 6 and it’s...
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