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gravity

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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. T

    woodburner with only a Gravity system?

    I've been struggling to find a plumber who has experience of gravity systems so was hoping to pick your collective brains..... I am having a Hunter Herald 14kw, with wrap-around boiler installed and intend to run room radiators on a pumped system as per the Hunter recommendations . The...
  10. P

    Finding drain off valve - gravity system

    Hi everyone - I'm new member and this is my first post. I'm attempting to drain - what I believe to be - a gravity fed system. There is a tank in the loft, with the cylinder below it, on the first floor. I can't find the drain off valve under any of the radiators on the ground floor. I'm...
  11. G

    Reoccuring air lock in Gravity hot water primaries.

    So I have pumped CH & gravity hot water pipe work feeding the coil in my cylinder. I recently had a leak in my old cylinder from the coil return fitting and replaced it with a larger aluminium cylinder. The pipe work didn't need much modification tbh. Since ive done this I keep getting. What I...
  12. H

    Gravity System. Heating turned on and rubbish shower has now lost even more pressure.

    Hi Guys, I'm looking for some advice/help! My wife and I live on the top floor of a house in a one bedroom flat. We have a gravity based system (large tank in airing cupboard, plus a tank in the loft?). The pressure/flow we get out of the shower is very poor but on the limit of being...
  13. K

    Gravity Fed Hot Water System

    Hi all, Hope this is in the right section but I have a question about my baxi Bermuda back boiler gravity Fed system. Could anybody tell me why when I have just the hot water on the upstairs radiators are always on? It also does this if the heating is on but below the temp on the...
    • Kirk Sherratt
    • Thread
    • gravity hot water system water
    • Replies: 8
    • Forum: Bathroom Advice
  14. M

    Big house, big job: mains off booster pump or gravity fed?

    Okay so you may have seen my previous post regards to this but I'll just enlighten again. Now I've never installed anything this big and just got my commercial ticket so bare with me. If I sound a bit amateur rest assured I will not start job till I'm 100% confident. Got a 8 bedroom house...
  15. M

    No Hot Water - Gravity Fed System

    The system : S plan with the hot water cylinder in the loft and the F&E tank about two feet (max) above the cylinder. The cold feed from the F&E tank and the cylinder flow/return disappear into the eaves of the roof (inaccessible), run down some boxwork in the first floor hall and then...
  16. E

    Portable gravity fed water heating system?

    Hello All I would like to open a hair shop in a area which has no utilities i’e water/electricity etc. (think middle of a field) I need a solution for the hair washing situation. In my mind i’m thinking the solution is having a portable water container which I can fill up and bring from home...
    • elsparkio
    • Thread
    • gravity heating heating system system water
    • Replies: 2
    • Forum: Bathroom Advice
  17. R

    Gravity hot water

    I inherited a gravity system in a hotel i look after. a 64 kw oil boiler heats indirectly two high level horizontal cylinders which when hot gravitate hot water through 11/2 flow and returns to two more cylinders at opposite ends of the hotel. As i say all by gravity not a pump in site and has...
  18. V

    gravity hot water pump heating all vented bleeds weirdly!!!

    Hello All, I have a weird problem that has caught me off balance. About 2 years ago I power flushed an 8 rad system Customer call me a couple of weeks ago complaining that one tad is not warm I checked bottom of rad and found it warm so I opened bleed valve nothing came out. I suggested...
  19. D

    Question about boosted gravity shower pump

    Hi, I'm installing a Stuart turner shower mate 2.6 bar twin impeller , it has 15mm flexi connectors, the shower unit has 3/4 inlets to the hot and cold , I'm using a Surrey flange and the pump will be on the floor beside the cylinder and the shower will be on the next floor , positive head. I...
  20. J

    Gravity Fed DHW with Pumped CH or fully pumped?

    Hello, I have a Thorn EMI boiler from the 80s and I was wondering if anyone could tell me if i have a gravity DHW and pumped CH, or fully pumped system? There is a valve on the system but i cant remember if its a 3 way or two way valve (i'm currently out of the country with work). Basically my...
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