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gravity

  1. D

    Combi conversion from vented gravity system - wall of text and questions

    TL;DR version Getting new combi to replace vented conventional system Q 1) thoughts and opinions of weather compensating programmers? Q 2) Most of my CH pipe is 15mm will a chunk of this need to be replaced with 22mm? Q 3) Condensing boilers need a return of 55c or under to be most efficient...
    • DarrenThomas
    • Thread
    • combi gravity questions system wall
    • Replies: 18
    • Forum: UK Plumbers Forums
  2. S

    Gravity fed system wiring fault???

    Afternoon Plumber gurus. Have a rented property which has a gravity fed system in it. Been asked by tenant to sort a few problems with heating. 1. bleed a radiator (give me strength) the other is she cant have hot water without the heating on. (had house a year) I thought this would be a MZV...
    • stanna
    • Thread
    • fault gravity system wiring
    • Replies: 18
    • Forum: UK Plumbers Forums
  3. 8

    Gravity systems

    Is there still alot of them about do you think.And is a semi gravity system when it has a pump in it?
  4. N

    Gravity circulation idea

    Possibly the wrong section for this as it has very little to do with solid fuel, but as gravity circulation plays a big role in the idea I thought the solid fuel section may be more appropriate. I've got an idea for a problem and I can't for the life of me figure out if it will work or not...
  5. V

    Gravity Circulation not working

    Hi Guys , Had a call from a customer whos oil boiler is not heating the cylinder properly and i dont know why so i would be glad of any advice . Oil boiler with gravity 28mm primary to cyl and pumped to radiators . The boiler is working fine and rads work ok if needed...
  6. spanner

    Gravity fully Pumped Shower Problem>Advice

    Hi, Only a shower which a friend has a gravity fully pumped sealed heating system installed, with three port valve etc! What I was fussing about was that the boiler and the cylinder are sited downstairs in the kitchen, and the f&e (cwsc) tank upstairs which replace water to cylinder and also...
  7. C

    Basin Mixer with Mains Cold and Gravity Fed Hot

    Hi Guys, I’m new to the forum and looking for a bit of advice, so please take it easy on me. I want to fit a mixer tap to a new bathroom basin, but I have mains fed cold water and gravity fed hot water. Providing I get a mixer tap suitable for low pressure will I get a decent performance from...
    • crawf94
    • Thread
    • basin cold gravity mains mixer
    • Replies: 8
    • Forum: UK Plumbers Forums
  8. M

    Gravity fed shower

    Hi live just replaced a gravity fed bar shower mixer which seemed to be working fine when I left it. Customer has called back saying when the shower is raised to the height of the bracket the temperature dros to a Luke warm temp. When it comes down to waist level it's fine. I think it's a...
  9. B

    Gravity to pumped hw

    I have just been to look at a house that initially looked to be an old gravity hot water and pumped c/h system. The cylinder was changed last summer (not by me), and since then the header tank has run over when the boiler is on for hot water. After a lot of mucking about I found in another...
  10. L

    Changing gravity fed hot water pumped heating to vailaint ecotec pro 28 combi

    Hi everyone would appreciate any ideas on the above system. I have just passed my gas safe and my sister wants me to convert her system to the one above. (good place for me to practice) is there anything I should look out for..... I have already warned her that sealing and open vent system...

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