gravity | Page 7

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gravity

Recent contents Top users
  1. S

    Central heating system gravity or pump fed how to find out Newbie question

    Hi I am a industrial sparky by trade I can do the odd bit of plumbing but I have had a elderly person who lives near me ask me to check some work a handy man has done for her i popped round and he has changed the time clock for her from a Honeywell st1000 to a h27xl horsmann as she...
    • Sparksuk
    • Thread
    • central central heating gravity heating heating system pump system
    • Replies: 5
    • Forum: Central Heating Forum
  2. B

    Gravity feed water heater

    COFFEE BUS I have been asked to supply and fit a Electric mains supply water heater that can feed a hot water tap fitted to a small sink..on a Mobile Double Decker bus. The Coffee Bus has no Mains water, just a tank gravity feeding the sink taps below.. What can you suggest please... Thanks...
    • boardwort
    • Thread
    • gravity heater water
    • Replies: 5
    • Forum: Bathroom Advice
  3. J

    Gravity fed radiator

    About 20 years ago I had a Rayburn coal fire back burner installed that fed radiators throughout the house. I believe as it's a coal fire, a gravity fed radiator was installed on the hot water supply to the spiral coil that's inside the hot water tank. I think this was in case excessive heat...
  4. L

    Old gravity hot water systems

    Hi all, is there no control for these on hot water, except for the boiler stat? Does a permanent pilot just keep heating the hot water permanently? Any wiring links for these old systems?
    • learnplum
    • Thread
    • gravity hot water water
    • Replies: 42
    • Forum: Bathroom Advice
  5. M

    No hot water on gravity system?

    Hi all. Any suggestion on possible causes? Trapped air? Gate valve stuck?
  6. B

    System or gravity.....

    Im planning an (oil) install on a large house, heating calc suggests 40Kw. Currently in there is a 20/25 outputting on 22mm only (used to be an old cottage but extended 15 years ago). Ill run 28mm out of the boiler as far as poss. Question is, do I keep the gravity or cap it off and go sealed -...
  7. B

    Identifying pumped / gravity system via Netaheat electronic with ep2000 programmer

    My Potterton ep2000 programmer has expired, it looks like I can easily replace it with a newer EP2 without changing the back panel so a simple switch. But it seems that the installation guide I've found online says I need to select whether the system is fully pumped or gravity. Now I'm stuck...
  8. H

    Air in gravity primary feed and return

    Hi, wondering if anyone experienced with gravity hot water and pumped central htg systems can help!! I'm a general builder and have a lot of experience with plumbing systems but need some help on this one, i undertook some building work for a customer and part of the work was to tidy some pipe...
  9. G

    Unvented cylinder on gravity primaries

    Went to look at problem with heating system this morning. Just had new unvented cylinder and all new rads fitted but decided to keep the ideal mexico boiler. The unvented cylinder has been connected to the gravity flow and return and sure enough its not heating up. There's also a problem with no...
  10. R

    Air locks in hot side gravity system.

    I have a repeat call back to a propert where after 4 to 5 weeks the hot stops flowing. All I do is back flow mains cold through a kitchen mixer and bingo it works. But what's causing it? We have 50 gal coffin tank in loft new 48 inch hot cylinder , triton power shower in en suite leccy shower...
  11. S

    ripping out an old gravity fed HW tank and fitting a thermal store?

    thanks for your time for reading this... ** The situation There's a reasonably good gas Baxi back boiler that gravity-feeds a very old hot water tank in an airing cupboard on the landing, header and expansion tanks directly above in the loft. Central heating controller is a Honeywell 7 day...
  12. J

    Gravity HW, pumped CH.

    Hello. A customer has a gravity HW, pumped CH system, boiler is (I think ) an Ideal Classic. Heating is a one pipe system. There is unwanted circulation in rads when the programmer is calling for HW only, above and closest to the boiler. Access is poor, but the CH flow is very hot, return stone...
  13. R

    Gravity fed system.

    Hello I would like some information on a small job I'm doing for my mum. My mother has a gravity fed system with the bathroom and kitchen both on the ground floor where the hot water cylinder is also situated. There is central heating with radiators upstairs and down. There is also the cold...
  14. P

    Pumped conventional gas boiler connected to gravity solid fuel boiler system??

    I am a gas safe registered engineer, I have been asked by customer to change oil boiler for gas boiler.The conventional oil boiler is floor mounted with pumped heating circulation pipes but gravity hot water coil connection. There is also a solid fuel wood burner which flow and return are...
    • pcplumbing
    • Thread
    • boiler gravity system
    • Replies: 18
    • Forum: Boilers
  15. B

    Poor hot water pressure on gravity fed system

    Hi all. Got a job on and hw is gravity fed. Renewed bathroom but we had to take the hot into the basement and bring it back up into bathroom (couldn't avoid it really) and cylinder is in the attic but since doing so the pressure has worsened so much so that new mixer shower won't work. Would...
    • Bhoydavid
    • Thread
    • gravity hot water pressure system water
    • Replies: 6
    • Forum: Bathroom Advice
  16. J

    Gravity hot water problem

    Hi guys got a bit of bother with a gravity hot water system. The layout is as follows hw cylinder with spartan tank pumped ch with 2 port valve gravity hw problem is heating is working done but he isn't. Boiler fires for hw but shuts down shortly after. Thinking circulation problem or airlock...
    • jordand
    • Thread
    • gravity hot water water
    • Replies: 14
    • Forum: Bathroom Advice
  17. W

    Kitchen tap suitable for "gravity fed systems only"

    Swirl Divine Mono Mixer Kitchen Tap | Kitchen Mixer Taps | NoLinkingToThis Presumably this can't mean tank cold too as it's a kitchen tap. Anyone come across a tap that says that before? Perhaps the hot side is made in such a way that it would be an uncontrollable jet if put on mains hot from a...
  18. C

    Gravity flow and return from wood burning stove to thermal store ??

    Hi i would like some other plumbers advice who have had good experience with solid fuel and gravity installations. I have just fitted a 300 litre thermal store in a customers new house. The thermal store is upstairs in the hot press and the wood burner downstairs. This house however has...
  19. Z

    Gravity fed hw system

    I have little experience on these old systems. A mates bought a house with the setup shown. Had a quick look today, heating on boiler and pump fires rads heat up. Hw only pump goes off boiler cycles, flow gets red hot returns cold. Any ideas?
  20. W

    Air lock in gravity system

    I changed the pump and the three way port valve on a pumped gravity system. I filled the system (it took ages) and now have an air lock on the system, no water upstairs in the radiators. I've drained it down and tried to fill it again, it's even worse now. Would it be best to leave the system...
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