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megaflow

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  1. P

    Megaflow discharge problem

    Hi Can anyone help. I went to look at a Megaflow, last Saturday ( I have my unvented card) the client was saying that in the evenings, every two or three days the megaflow discharges hot water out of the discharge pipe. It is a 210litre direct megaflow unvented cylinder There was no leak...
  2. T

    megaflow + pump

    Hello, I need an advice for choosing the right hot water system in my flat. My flat is in an old building, 3rd floor. I have 2 showers + 1 bath and I'm renovating the old plumbing. The water from the main is provided at 11.5 l/min and 1.6 bar. My plumber (a registered professional) advised a...
  3. J

    Changing Vented To Unvented Megaflow

    Im getting a megaflow next week but my plumber has said he can change my vented heating system Central heating side to a Unvented without installing the megaflow yet?? is this posible?? if so what should he be installing??? so i can look to see if hes done it well?? Thank You
  4. M

    Immersion in megaflow.

    If a megaflow has an expensive Heatrae Sadia immersion heater can a replacement similar but cheaper?
  5. H

    Megaflow not heating up like it used to?

    Hi, We have a wood burner that heats a thermal store, once this reaches 60c it pumps water through a heat exchanger that is connected to the main megaflow cylinder this should then heat the hot water until it reaches about 58c then a valve opens and the hot water coming from the heat exchanger...
  6. F

    cold water combination valve replacement - megaflow

    This has been leaking badly and needs replacing...I have bought the part and a heating engineer came to give me a quote today, but he says it will take him 2hrs to replace as he has to drain the water cylinder completely by attaching a hose to it? I thought it was going to be a fairly simple...
  7. D

    Looking for Megaflow qualified plumber Knutsford Cheshire area

    I have a Megaflow that I need to get properly configured and registered. Anyone qualified in this field please call me or PM - 0787 650 1875 or call my office on 01565 75200 Dave
    • DaveThursby
    • Thread
    • looking megaflow please plumber qualified qualified plumber thank
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  8. G

    service a megaflow

    hi just had an email enquiry - do i service megaflows, from my local council, so i'm keen to follow this up. well i've got my G3, but in 3 1/2 years i've only worked in about 6 properties with unvented cylinders and never been asked to fit one. whats involved with seviceing a megaflow, if...
  9. S

    MegaFlow 3 Bar Valve

    I have a leak in the '3 Bar cold water valve' but I am unable to find a replacement part. The Tank is a Mega flow HE pre 2009. When the valve is cleaned it does not leak. I have tried to find the part on the internet and have spoken to Interpart and they told me to get a combination pack - which...
  10. R

    Unvented Megaflow or Thermsaver

    I have to replace a old oso unvented indirect cylinder Internal (with expansion chamber). I was thinking a megaflow but have just seen a thermsaver also with internal expansion chamber at 300 pound cheaper. Has anyone installed these and are they any good or any info on them. Or if anone has any...
  11. D

    what shower unit for megaflow boiling system?

    Hi I have a megaflow in my house and I want to install extra shower in my bathroom, what kind of shower will this megaflow support? Thermostatic mixer showers or mixed shower? thank you in advance! Henry
  12. M

    Megaflow unvented poor pressure

    Alright lads, Heres what I have here. Unvented Heatrae Sadia Megaflow cylinder with "temprmental" pressure problem. It seems to randomly either be normal (good) pressure or sometimes poor pressure. During this, the cold water main pressure is perfect and flowing consistent... I cleaned the...
  13. R

    Megaflow ??

    We've moved into an house with with a 3 year old condensing boiler with, immersion tank ( old style with jacket) and open vented system. Mains water pressure is good however, the hot water pressure is poor. We are about to rip out the bathroom and want two good well pressured mixer showers...
  14. S

    Pressure Drop

    Hi I was at a Baxi Megaflow with 1 bar system pressure on the gauge standing cold, but when the boiler was turned on the gauge dropped to .3 What does this mean or show ?
  15. B

    ACV vs Megaflow

    Anyone had any experience installing or working with ACV cylinders? I am told that they are excellent but have never installed one so have no idea what sort of performance they produce. Are they like a low water content unvented thermal store?
  16. R

    Valliant ecotec 837 combi boiler or Megaflow system

    Currently I am in the process of replacing my old boiler with new one. However I am stuck with the decision to decide between a valliant ecotec 837 combi boiler and megaflow system. which is a better one ? My property is a detached 4 bed property with 2 showers and 2 toilets with 8 rads in the...
  17. B

    Megaflow system radiators not working

    My daughters Megaflow system has been working OK for some time. Recently some of the downstairs radiators remain cold while fully on ... others are very hot. All upstairs appear OK. Bleeding the offending rads produces water but no improvement. With boiler on and thermostat calling for heat ...
    • bleedingdavid
    • Thread
    • megaflow not working radiator radiators should system water working
    • Replies: 15
    • Forum: Plumbing Jobs | The Job-board
  18. G

    Megaflow questions

    Hi guys and gals, I am hoping you can help me. I recently moved in to a house with a Megaflow (with red expansion tank) and I notice that the pressure valve underneath drops over time (a couple of days). I can top this up by opening the inline valve (also underneath it) for 30 seconds or so, but...
  19. M

    baxi duotec megaflow system boiler

    customer is looking at getting a new gas system boiler, im not fitting incase any asking. but he and i dont know what these boilers are like suppilers are saying that in the past baxi got a bad name for past boilers but there new ones are good. has anyone any experience of the new baxi boilers...
  20. L

    Baxi megaflow system he boiler showing c1 only fan running

    Hiya i normally install but went to breakdown of baxi megaflow he system condensing boiler, 3 years old, when reset fan runs for 5 secs then stops and nothing happens. Not familliar with this boiler, no instructions on site, to late to call manufacturer. Boiler displaying c1, no power at pump...
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