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gravity

  1. W

    Mixer shower - mains cold - gravity hot

    Hi, I've seen a few posts about not using mains cold with gravity fed hot. Ours is only about 0.1 bar for the hot. The reasons given vary from possible backflow into hot cylinder to hard to get a good mix. In that case how does the kitchen mixer tap work - that mixes gravity hot and...
  2. D

    Gravity or mains fed shower?

    I’m replacing my faulty old mains fed electric shower (Mira Sport Max 10.8kW) and am considering going for a pumped, gravity fed electric shower (such as the Mira Elite SE Dual Pumped Electric Shower 9.8kW). The mains pressure sometimes drops enough for the low-flow cut-out to operate or the...
  3. A

    Switching from Gravity to fully pumped - open vent position?

    Hi, Our gravity HW tank split and without a long delay the only one we could get was a fully pumped tank. Fairly easy replumb to get the tank in, however on all diagrams I've looked at, the fully pumped system has the open vent coming off between the boiler and the pump, whereas in our current...
  4. E

    How can I get heat into Gravity Fed UFH system

    Hi folks, I’m in need of some sound advice. We have recently had a ground floor extension and have had underfloor heating (company: JK UFH) installed throughout most of the downstairs. We have a few rads still left downstairs and the entire upstairs is still heated through rads. We have a...
  5. A

    Gravity heating system question

    Hi all I’m curious about the conversion of my heating system I have a gravity system with no diverter valves, the cylinder is quite small and there is an air separator present I am curious as to how this system would be converted to a combi system, am I right to assume that the flow and return...
  6. O

    connecting ejector (pressurized) to secondary / gravity main line

    question about connecting an ejector pump to the sewer, where there is no existing conditioned structure that gravity-feeds: We have a lot that will be built in a couple years. Lot is sloped, with road and sewer main nearest to the up-hill lot line. The house will built in that corner, and...
  7. J

    NIGHTMARE GRAVITY SYSTEM!

    All, Need some ideas pleaeses and thanks. Customer had drained system and had awful air locks, went round boiled out and got working... GREAT! 2 weeks later after some bumping and banging, no hot water. Went round and flow red hot, nothing on the return. Boiled again... Got hot water...
  8. I

    Advice needed. Converting gravity fed cold supply to mains fed to supply an electric shower?

    I want to put in an electric shower in my downstairs cloakroom which currently has a gravity fed cold supply from the tank in the loft. The shower I am looking to install needs a mains fed cold supply which I could do by disconnecting this pipework from the gravity tank and connecting the cold...
  9. Harvest Fields

    Gledhill gravity cylinder.

    Evening all. Anyone had a New Gledhill gravity cylinder pin hole before? First time for me, but I did notice the weld for the return on the coil was rusting.
  10. T

    Mains cold water knocking out gravity hot water in bath shower mixer

    Hi all. My customer has a bath shower mixer that gets cold from the mains and hot from a vented cylinder and the cold knocks out the hot. I'm thinking about putting in a thermostatic bath shower mixer but would appreciate any other ideas! Cheers all/
  11. N

    Gravity Fed Rain Shower

    HI, Looking for some guidance on buying and fitting the right products. I currently have a gravity fed system with a cold water tank in the loft and a hot water cylinder in the airing cupboard on the first floor. The hot water flow throughout the house is not particularly brilliant, but sort...
  12. D

    Improve Gravity Fed Mixer Shower Pump Pressure?

    Hello All, I believe that some time ago I may have replaced the Shower Pump that stopped working after approximately 3 to 5 years or more with the wrong Shower Head Pump type. The Shower is Gravity Fed from the Cold Water Tank in the Loft above the Bathroom where the Hot Water Tank is within...
  13. B

    Advice Needed: Can I install gravity fed toilet, basin and shower in new en-suite location?

    Good morning all, -I would really appreciate your advice on whether it would be possible to have a gravity fed toilet, basin and shower installed in a my new layout upstairs? The detail: I currently own a two bed house (is actually a three bed on original plans) and want to covert it back to...
  14. D

    Flush gravity fed F&E central heating system

    Forgive me is this is a stupid thought! I'm looking to flush dirty water out of an F&E system. Can I attached a hosepipe to the lowest drain off point and simply drain off water outside without turning off the water supply to the F&E tank? So my thinking is that it may take some time but...
  15. A

    Gravity system - Move Hot Water Cylinder to Roof Space?

    We've had conflicting advice from two plumbers - I wonder if anyone here can clarify. We have a gravity fed system system, currently with the hot water cylinder alongside the boiler which is in a separate 1 story room with some roof space. We're looking at moving the cylinder into the roof...
  16. trickyguns

    Ideal Vulcan SX / DLX gravity fed boiler - No hot water

    HI everyone, I went to look at a prehistoric gravity fed Ideal Vulcan SX / DLX boiler with reports of no heating or hot water. This is a 4 pipe 28mm pump fed heating and gravity fed water pipes to water cylinder. I found that the heating pump had stopped spinning and found sludge behind the...
  17. eagleeye

    Combi conversion with gravity cold water

    If a conventional system is changed to a combi boiler and the twin boost pump and CWST have been left in and working would it be an issue that gas safe can get involved with ? The mains hot water and tank fed cold water was running through pump and because pump stopped working cold water...
  18. R

    Rural Gravity Fed Pipe In River Setup, Any advice appreciated,

    Hey to all in the community, im not a plumber so any advice would be greatly appreciated. I reside in rural ireland and we currently get our mains water fed to us from a pipe which is one 1km long from a stream out the back of our property. It is then filtered with rocksalt, uv, Reverse...
  19. T

    Mixer Shower and Gravity Fed System

    About 10 years ago we had a new mixer shower fitted. However, the most we ever got out of it was a trickle - even from the beginning. At the time I looked up the manufacturers installation instructions and it says that the showerhead needs to be at least 1 m from the bottom of the water tank we...
  20. L

    Will lowering water tanks by 15cm have any noticeable effect on gravity flow system?

    Hello, I live in a building that is a conversion of two terrace houses into several flats. We have 7 levels (basement, ground, 1st, 2nd, 3rd, 4rth, and 5th), and each level has two flats, except for the 5th floor, which is the attic and on one side there is a small studio and on the other side...
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