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gravity

  1. C

    Gravity Hot Water

    Is it ok to have gravity hot water on new boiler due to a back boiler being linked to system?
  2. H

    Draining gravity back boiler

    Hi I could do with a bit of guidance to empty my system to clean and inhibit it I think I'm on the right track with the below method but would like someone who does this as a profession to double check, I have had to put up with some knocking pipes this winter (1st time since moving in 14...
  3. J

    Upgrading gravity hot water to fully pumped

    I'll need to get a new boiler soon to replace my 20yr old 4 pipe boiler with separate gravity HW and pumped CH open vented system but I foresee a problem with the overflow and vent being on the end of the HW circuit. Boiler is in the garage and has 28mm pipes going up to the airing cupboard on...
  4. P

    Boost entire gravity hot at cylinder

    As part of an upcoming bathroom job my customer has bought a Stuart Turner monsoon 2.0 bar single pump to boost the gravity hot for the taps.I've fitted loads of shower pumps but never one for taps, I've downloaded the instructions and on one of the diagrams it more or less shows the pump fitted...
  5. B

    No hot water on gravity system

    Hi all been at an ongoing job standard gravity system heating is fine cylinder flow piping hot cylinder return no to little heat tried venting and it works after a hassle of cracking nuts and vents then after about 3 days it blocks again how often do the coils become sludged up is it quite...
    • bella100
    • Thread
    • gravity hot water system water
    • Replies: 22
    • Forum: Bathroom Advice
  6. D

    Wood burner back boiler gravity circuit problem

    Hello all, I have a problem with the gravity circuit on a system with 16kw multi fuel burner with a back boiler. The existing plumbing is about 15 years old, roughly. House was vacant before buying and had an old inset stove that was falling apart, assume it worked fine as it was a housing...
    • Dymock
    • Thread
    • back boiler boiler burner gravity
    • Replies: 20
    • Forum: Boiler Advice Forum
  7. P

    Gravity primaries cylinder

    Got an old myson heat only boiler to swap soon and convert to fully pumped. Company I used to work for always used to swap the cylinder on fully pumped conversions. Is there a reason behind this or just something they did? I would prefer to not swap the cylinder aswell if there is no reason...
  8. T

    Advice needed reg Gravity fed system

    Hi guys First post so bear with me please. I'm seeking advice regarding the central heating in a home I have just bought, it's a first home and this is my first experience of heating systems. The house is in a rural area and uses a Worcester oil fired boiler, so far from what I can see with...
  9. D

    gravity flow back boiler

    I'm hoping to have a back boiler woodburner installed, which can work to heat cylinder by gravity even when no power (still happens!). Looking at other threads, I fear that pumps MUST now be installed, so is this not now allowed?
  10. M

    turing of gravity hot water

    Do most people tend to trust the gate valve on the cold feed to a hot water cylinder will turn off and back on again, when wanting to work on the hot pipework, swapping a bath tap no isos. Or turn the cold mains off and drain all tank.
  11. 7

    Removing airlock in gravity fed pumped power shower

    Need to remove airlock from gravity fed cold and hot water fed pumped power shower. Is it ok to connect a hose to a mains tap and attach to mixer hose outlet and force mains water up through the cold side into c/w storage tank & repeat by switching mixer to hot? Is it fine to send mains water...
  12. S

    Gravity Feed Custom Radiator Question

    Hello, I am creating a gravity fed heat sink for my new stove back boiler. I live on a narrowboat so many of the standard house practises such as installing a F&E tank in the loft cant apply. So please bear with me! So the only reason for the post is to understand if the heat sink idea...
  13. JCplumb

    Basin mixer, high cold pressure, 0.5 bar hot (gravity HWS)

    Got a customer who has called me in after an absolute nightmare with a cowboy builder and an ex-friend project managing her renovation. I feel really sorry for her, she was actually crying when explaining what had gone on when I first went round. Anyway, she has a basin mixer that she really...
  14. Stanios

    noise coming from gravity system

    Got a customer with a pretty odd noise complaint. Basically its a gravity system, a loud banging noise and rattling occurs even when no taps have been run or loo used - middle of the night. It actually makes the hot water tap run in the kitchen. When she told me I said she needed ghostbusters...
  15. A

    Aqualisa quartz on gravity system. Some advice please

    Hi providing a a quote for a new aqualisa digital shower I have a few questions and hoping someone can help. current shower is an old aqualisa with a single impeller pump. Cold from tank, hot from cylinder. I know the cold needs to be a new addition on the cwst. do I need a pump? I think...
  16. A

    Remove gravity pumped shower and fit a Mira jump.

    Had this job today, customer has 2 identical showers, both connected to the same pump. 50 gal cwst customer says not happy with the operation of one of them, I personally couldn't notice a difference between the 2. I said that to the customer, being honest. she wants the shower replaced, but...
  17. K

    Conversion of gravity fed HW to Y-plan, in North Wales, anyone?

    Currently, the hot water is scolding hot because the room thermostat is set so high. The only control over the HW is via the boiler thermostat, which is insufficient. If a cylinder stat were fitted and the pipework converted to a standard Y-plan system, that ought to fix it. For the time being...
  18. F

    pump advice for a gravity fed system

    Hi all, Please can i have some expert advice. I have a gravity fed system and i've just bought a lovely mira digital low pressure shower system that comes with a pump specifically for gravity fed systems. This pump will just provide pumped water to the shower. As i'm also in the process of...
  19. H

    Gravity Fed System - upgrade to Combi/ High Pressure System

    I currently have a gravity feed system. In the very near future I am adding a loft extension to my property so the 2 cold water tanks in my London roof will have to be removed. I seek a plumbing/engineer to visit my property to give me advice and possible options in upgrading my existing...
    • Homealone
    • Thread
    • combi gravity high pressure system
    • Replies: 1
    • Forum: UK Plumbers Forums
  20. Inverness

    Semi gravity open vented heating system this system has no zone valves.

    Im replacing boiler for like to like but with a bypass valve and two motorised valves. Since the new boiler has a flow and return unlike the old boiler that had four tappings. Could I tee the vent Pipe into the cold feed pipe? where the vent pipe is ATM is before the flow goes into the coil to...

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