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  1. Michael Groves

    Condensate Pipe installation

    Engineer has installed several boilers for me. All the condensate pipes have been connected externally into soil stack or rain water downpipe. In each case he just drilled a hole in the pipe, and stuck the condensate in the side, smeared glue everywhere. No boss, or branch. Is this allowed, is...
  2. Michael Groves

    Mains Pressure Hot water System - Brown Sludge

    I got a Mains Pressure Hot water System, it's about 3 years old. The shower filters get blocked yearly, and if it gets drained for maintenance, when you purge the system, you get loads of brown sludge. This is on the hot water side only. How can I prevent this brown sludge build-up, and how can...
  3. Michael Groves

    Philmac gas fittings

    My gas engineer is replacing 6 gas meter boxes. He has discovered when they were installed in 1980 they used PE pipe from behind boxes. This is fine as it's underground. But, there is a metal compression joint, joining copper from box to PE pipe, which is also under ground and hence rusted. He...
  4. Michael Groves

    Hot water cylinder smart thermostat

    I’m looking for a Hot Water Cylinder Smart Thermostat. But I want to be able to monitor the tank temperature over time so I can see when the hot water is being drawn off and how quickly it recovers. So maybe recording the temperature every 5 minutes and saving this data. Does such a thing exist?
  5. Michael Groves

    Care home UFH wired incorrectly

    I’m an electrician, a plumber has asked me to look at wiring in a care home for UFH with a system boiler. Only way to get it to work is run everything constantly. The wiring center was a mess, i’ve rewired and now working as expected. However, it appears to me there is an unnecessary valve...
  6. Michael Groves

    Worcester Bosch Greenstar Ri boiler short circuit

    I’m an electrician. I’ve been called to customer home to trace a short circuit. When I disconnect the boiler and put my meter across live and neutral I get 118 ohms. I called Worchesterbosch tech support and the guy said yes that’s normal, no hold on I’ll ask my mate. Then apparently said no...
  7. Michael Groves

    Worchester Bosch error code EA - Part 2

    I'm not sure why the moderator has blocked further posts to my last thread but I think if someone says something is dangerous and illegal it would be good for everyone to know why? Worchester Bosch 40cdi Error code EA So my question is what was dangerous, please be specific and what law has...
  8. Michael Groves

    Worchester Bosch 40cdi Error code EA

    I have a Worchester Bosch 40 CDi with error code EA. I've checked all the usual suspects but now I'm at a loss. I can hear the boiler clicking but it never fires up. Below is what I've tried so far; Clean condensate Replace electrodes (ionisation really worn) Replace ignition lead (rubber...
  9. Michael Groves

    15M pump required, one large Vs 2 small in series?

    I'm specifying a new system. It has a 15M head, I called Grundfos and they recommended Magna3 40-150 rrp £1,640. (using rrp for reference only) A friend recommended 2 no. Grundfos Magna3 32-80 in series, rrp £628 (Total £1,256). Running costs of 2no. 32-80 is a third of 40-150. Grundfos...

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