gravity | Page 8

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gravity

Recent contents Top users
  1. cr0ft

    Been asked to convert existing gravity HW to fully pumped system.

    Hi all. Usual thing, existing floor standing gas boiler is pumped for CH and running into a 28mm cylinder coil for DHW. I am planning on capping off the CH flow and return at the boiler and converting the system into a y-plan fully pumped system. Question for all. I realise the pipework is...
  2. Best

    Kitchen sink 'spray' mixer for gravity?

    Does anyone know if a monobloc kitchen sink mixer with a spray type head of some sort exists that will work on gravity? Lady really wants one but I have told her they are designed for high pressure & her home is a bungalow, with the cwt just raised slightly above joist level, so only a couple...
  3. R

    Cold Gravity Shower if Mains cold tap on

    Hi we have a very odd problem, our house is Barratt house about 20 years old with standard plumbing a gravity fed hot water system with the cold water tank in the loft, it has two output pipes at the bottom one for the Hot tank via 22mm pipe and the other 22mm pipe to the bath and shower only...
  4. L

    bit of advice 2nd shower gravity system

    Hi. Have gravity system(vented)bathroom and ensuite with a shower(no pump).Planing bathroom upgrade to 2nd shower with bath.What would you recomend to go for: 1.Electric shower 2.mixer shower(with pump)or would it work without pump(concerned about low preassure) 3.digital shower from...
  5. P

    Gravity Fed Air In System

    Hi All, I've just added four new radiators to a property. System: conventional heating system Conventional Potterton Suprima boiler I've bleed the air from the radiators correctly, starting at the bottom then upstairs. All the radiators seem to be getting hot, but the boiler seems switch on...
  6. B

    Gravity DHW with conventional oil boiler with 1 flow & 1 return top connections?

    For the last 30 years our house has been very successfully heated by a 70/90 Myson oil fired cased boiler in the kitchen. 1 flow + 1 return on one side for gravity DHW system and 1 flow + 1 return on the other side for pumped radiator circuit. My heating engineer advised that the boiler should...
    • bigjr
    • Thread
    • boiler flow gravity oil boiler return
    • Replies: 17
    • Forum: Boilers
  7. M

    Replacing gravity fed system in flat with no gas. Help me please

    Hi, I am renovating my apartment, so new kitchen and bathroom, but have really bad hot water. I am running an electric gravity fed system at the moment as i have no gas, but pressure is terrible as i have a flat roof and tank is in the airing cupboard, only at head height. It is ok for the...
  8. W

    Advice on pumped CH and gravity HW system

    My CH system consists of a Potterton Suprima 60 boiler, Sunvic 207 Select programmer/timer , Honeywell 4073A 3 port valve Grundfos 15-50 pump on the ground floor with a immersion tank on the 1st floor. I believe it's a pumped CH and gravity HW system. When I switched on HW (with CH off) on the...
  9. E

    Gravity solid fuel with remote cyl + oil

    Hi all, looking for some practical guidance, went to a bungalow to quote on relocating and upgrading oil boiler and controls. Found; 30+ year old house which originally had a Tirolia solid fuel cooker/boiler (now a Stanley stove boiler) with 1 in (28mm) copper rising to attic and traversing...
  10. T

    Gravity heating circuit

    Hi all. Looking to fit addition all rad in each room of house so will have one off of combi & one of solid fuel fire, 4 rads tops going on. Want to have gravity rather than pumped so uses no electricity. House is a 30`s chalet bungalow, any idea on sys design (already thinking 28mm tube with...
  11. I

    gravity DHW pumped heating upgrade???

    hi got an install to do 'exsisting, ground floor boiler ,loft (2nd floor) cylinder-FE tank, 28mm flow return to boiler reducing to 22mm onto cylinder coil with the OV and WF from FE tank on 22mm flow just before cylinder. heating pumped ground floor 22mm reduced to 15mm - typical 70-80's set up...
  12. I

    gravity DHW pumped h????

    hi got an install to do 'exsisting, ground floor boiler ,loft (2nd floor) cylinder-FE tank, 28mm flow return to boiler reducing to 22mm onto cylinder coil with the OV and WF from FE tank on 22mm flow just before cylinder. heating pumped ground floor 22mm reduced to 15mm - typical 70-80's set up...
  13. J

    Gravity Hot Water ???

    Post copied from plumbing forum Hi Its now 11:05pm and I can't see the wood for the trees! I have visited a customer today who wants to replace their old Ideal E type RS 50 with a more modern and efficient floor standing boiler on a fully pumped Y plan system (Obviously avoiding the...
    • jaw
    • Thread
    • gravity hot water water
    • Replies: 4
    • Forum: Bathroom Advice
  14. J

    Gravity Hot water ???

    Hi Its now 11:05pm and I can't see the wood for the trees! I have visited a customer today who wants to replace their old Ideal E type RS 50 with a more modern and efficient floor standing boiler on a fully pumped Y plan system (Obviously avoiding the possibilty of "pumping over"). The current...
    • jaw
    • Thread
    • gravity hot water water
    • Replies: 11
    • Forum: Bathroom Advice
  15. J

    Pressure problems.. Gravity fed system.

    Hi, I am very inexperienced at plumbing but I am having a real problem with low pressure in my upstairs bathroom. The problem only affects the cold water taps for some reason, the hot water is fine. The problem first appeared about a year ago when we had the bathroom redone, the cold water...
  16. S

    Is my P-Trap defying gravity?

    The kitchen sink had been giving some trouble for a while, and chemical cleaners wouldn't clear the blockage. After waiting till all the chemicals had fully drained away, I took the J-Trap out and found a horrendous amount of fat build-up - cleaned it all out and reattached it. Water won't...
  17. D

    Gravity feed pipe sizing

    Anyone got any info about pipe size/run lengths v total heat load for gravity systems. All I was ever taught was that you needed to use 28mm pipe to connect your gas boiler to the primary of your HWC. Connecting a woodburning boiler to a thermal store is a somewhat different ball game! Not...
  18. W

    draining down gravity fed c/h system

    Hello. I'm a novice diy'er and need some help....I need to drain down my gravity fed system but not too sure how to do it. I know how to connect to the drain off valve on the lowest rad but not too sure of isolation or shutting off the water? Do I need to isolate both boiler and the...
  19. P

    Gravity to pumped

    Converting old oil boiler with gravity HW to pumped system with condensing boiler. at present there are the usual feed and return gravity pipes from the boiler. The central heating feed with a pump on the boiler splits for 2 radiators on the ground floor and the rest feeding the first floor and...
  20. V

    Gravity Boiler Heating / Hot Water Query

    Hello - I have a quick question. We have a Ideal Mexico gravity boiler. It's very old (not our choice - landlord's choice). We currently have the central heating completely turned off. However, whenever the hot water heating comes on, certain of the radiators are also heated to a very high...
    • vandyalum
    • Thread
    • boiler gravity heating hot water water
    • Replies: 17
    • Forum: Boilers
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