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  1. A

    Connection of VR65 and Megaflow

    HI , I wonder if there is someone out there who can help, i've got a Vaillant Ecotec 438 open vented Boiler , a vr65 control center and a Wireless VRT392F thermostat controls and a Megaflow HE 250L tank. I have installed the VR65 as per instructions, S plan , the pump valve and Heating Valve are...
    • azam
    • Thread
    • boiler central central heating system connect connection connections control controls ebus eco ecotec hot hot water megaflo megaflow open vented pump s plan temperature vaillant valve water wireless
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  2. C

    Unvented cylinders

    I am looking at getting an unvented cylinder to replace my existing traditional vented system with cold water storage tanks. Water pressure into the house is 5 bar at a flowrate of 18 ltrs/min. I am concerned about getting a Megaflo as with a relatively low flowrate I understand that the...
    • Cooperman1
    • Thread
    • bar cold cold water cold water storage cylinder cylinders head heating mains megaflo megaflow pipe pressure reset supply supply pipe system technology unvented valve vessel water water pressure work
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  3. I

    3 rads not working - rest are fine

    Hi,T I've just installed new radiators throughout the house. Most are regular convector rads, however i bought 3 graded designer column rads - they were graded because of slight cosmetic blemishes. All rads are working except these three. On 2 of them the pipes leading to the valve and TRV are...
    • ian99
    • Thread
    • air boiler cold radiator flow hot hot rads leaking megaflo megaflow not working parts pipes pressure problem pump radiator radiators system trv vaillant valve vent water work working
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  4. T

    Megaflo problem

    Hi and thanks in advance to anyone who may be able to help I have a megaflo cylyder in my apartment and although the heating is working fine I have no hot water. I checked the switches and consoles etc but cant see anything wrong. If anyone has any ideas please let me know. I will obv call an...
    • TheShanachie
    • Thread
    • boiler central heating system control cylinder fix heater hot hot water ideal immersion heater indirect megaflo motorised valve no hot water problem system valve water
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  5. D

    This must be a common dilema!?

    Hello all! I have just moved into a 1960s house, its got a good old floor standing boiler but as part of the comprehensive refurb. I intend to replace this with an up-to-date system. Key motivations: - Must be capable of running 2 showers at the same time (House will have bathroom and...
    • dylan39
    • Thread
    • 22mm 28mm bar bathroom boiler combi common cylinder flow funny kitchen megaflo pipe plumber pressure pump pumps showers supply supply pipe system tank unvented vented water work
    • Replies: 23
    • Forum: Plumbing Jobs | The Job-board
  6. K

    Automatic bypass faulty?

    I have a 5yr old Vaillaint Ecomax 622 system boiler with radiators, Megaflo cyclinder and under floor heating manifold, each controlled on a separate Honeywell valve. The system was new with the boiler (house renovation) and has MB1 in it. Recently the boiler started short cycling on the UFH...
    • keynet
    • Thread
    • automatic bar boiler bypass central heating system cylinder ecomax faulty flow flush hot hot water hot water cylinder inside megaflo pipe power pressure pump radiators renovation system tank ufh under floor heating vaillant valve water
    • Replies: 10
    • Forum: Plumbing Jobs | The Job-board
  7. T

    Megaflo vs traditional system with 4 bar pump?

    Hi In my old house (typical london terrace) I had a conventional system with condensing boiler ground floor, big cylinder on1st floor and cold water tank in eaves on 2nd floor (loft extension) I had a 4bar negative head pump next to the cylinder on 1st floor which fed showers on 1st...
    • timtyrrell
    • Thread
    • 22mm bar bath boiler central heating system cold cold water cold water tank condensing cylinder eaves flow head hot hot water loft london mains megaflo pipe pressure pump showers system tank traditional water
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  8. T

    unvented megaflo leaking

    I visited a customer yesterday afternoon as her megaflo leaking, slow dripping water from the base onto the base support. After checking usual spots I noticed water under the red plastic cover on the outlet, prised a section of to get a better look and found a nice "pond" around the hot outlet...
    • TheDrip
    • Thread
    • cheap cylinder difficult diy gas hot insulation leaking megaflo pipe plumber pond pressure price problem system tee unvented water work
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  9. B

    Megaflow + Boiler Service

    Hi all First post so please go easy! We purchased a new boiler and megaflow a year ago and guess it now needs its annual maintenace check especially as we live in a very hard water area, question is how much should we be looking to pay? Thanks in advance
    • ben179v
    • Thread
    • ace air boiler cheap cylinder drain edenbridge flow gas job megaflo megaflow oil problem refill service system tap water
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  10. G

    Gloworm Ultracom 2 SXi strange noise

    Hello - I've had a new Gloworm Ultracom 2 SXi, Megaflo and Siemens controller fitted. All seems well with heat and water. But when I turn the Siemens controller to no longer demand heat or central heating, although the boiler sound reduces and steam stops coming out of the flue, the boiler...
    • Gromit
    • Thread
    • air boiler boilers central central heating system code combi gas hot hot water installation installers megaflo noise overrun problem pump pump overrun strange switch ultracom vaillant water
    • Replies: 13
    • Forum: Plumbing Jobs | The Job-board
  11. M

    Isolating second MegaFlo indirect cylinder

    I live in a 3 bedroom house with two bathrooms. It has two Heatrae Sadia Megaflo CL145 cylinders. There are only two of us living here, and we only ever use one bathroom at a time, so I think the system may be over-specced for us, and we're paying to heat more hot water than we need. I'd like...
    • MGB_Roadster
    • Thread
    • air bits cylinder difficult drain hot hot water indirect install isolating loft megaflo primary second system tap valves water work
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  12. S

    Loss of pressure

    Hi, Plumbing novice here so please go easy! We have a convential potterton boiler, with a megaflo hot water cylinder and cubex expansion vessel. I have noticed gurgling sounds in the pipework when the boiler starts and saw that the pressure of the system (normally 1bar) was at zero! I have...
    • spursman
    • Thread
    • air bar bleeding boiler ceiling cold cylinder expansion expansion vessel hot hot water hot water cylinder leak leaking megaflo novice potterton pressure radiators system valve vessel water
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  13. I

    Megaflo suddenly stopped heating

    I've had a megaflo for many years without problems. Serviced (fairly) regularly. It has suddenly stopped producing hot water. The pressure is good but the water is cold. I've noticed the outlet pipe feels warm and you get a couple of seconds of warm water then it goes cold. Leave it for a...
    • izzyk
    • Thread
    • backup boiler building central heating system circulation cold heater high hot hot water megaflo pipe plumber plumbing pressure problem safe stopped valve vessel warm water water work
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  14. J

    Help needed - aberdeenshire scotland - heatre sadia megaflo - ch

    Hi Folks :mad: In need of some help with the aforementioned cylinder. We installed a Heatrea Sadia Megaflo - Pre-plumbed unit along with a Worcester External Condensing Boiler running on Oil. When all was started the HW worked away perfect and still is, but the CH has never worked correctly...
    • Jodi Thomson
    • Thread
    • 22mm air boiler central heating system condensing copper cylinder flow help help needed hot water manual megaflo megaflow needed pipes plumber power problem pump sadia scotland system valve wall water worcester
    • Replies: 11
    • Forum: Plumbing Jobs | The Job-board
  15. W

    Boiler and water pressure issues

    Hi there, I have an old boiler/water tank installation in my flat. I'd like to change it with a new system in order to save space and get ride of some water tanks. I have a 2 cold water tank one supplying cold water and flush in the bathroom and a cold water tanks supplying a hot water cylinder...
    • Waj
    • Thread
    • 22mm bath bathroom boiler cold cold water cold water tank combi cylinder electric flush hot hot water install issues loft mains megaflo oil pressure pump shower showers system tank water water pressure
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  16. I

    Unvented Cylinder, thickness of pipe

    Hello My plumber has recently installed a Worcester boiler and an Ariston unvented cylinder, 210ltr. I am also having a loft conversion. The pipe coming from my water meter on the pavement is the copper 15mm pipe. Inside my property on the ground floor under stairs cupboard; my plumber...
    • izrr
    • Thread
    • 22mm accumulator boiler cold copper cylinder fix flow gas main mains megaflo megaflow pipe pipes plumber plumbers pressure shower system tap taps unvented unvented cylinder vented water
    • Replies: 10
    • Forum: Plumbing Jobs | The Job-board
  17. K

    Matki shower /water pressure

    Hello, we have recently installed a new Matki shower, as well as an Albion Ultrasteel cylinder, which I assume (excuse my ignorance) is the same as a Megaflo.. The water pressure in our shower is lousy, and I am being told this is due to small pipes in house / Matki shower internal pipes /...
    • Kath65
    • Thread
    • bar cylinder flow low water pressure megaflo pipes pressure shower taps water water pressure
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  18. S

    Mains cold to bathrooms in 22 or 15?

    Hi all Im carcassing out my new loft conversion. I have a 250lt megaflo to go in but im stuck on the pipe size for the cold main. I have run the hot feed to the bathrooms in 22 and reduced down to 15 for the basins but wondered whether it was necessary to run this in 22 or 15? Also should i run...
    • Scottley
    • Thread
    • 22mm bar basin bathroom bathrooms boiler ceiling cold combi copper cylinder flush hot loft mains megaflo pipe pipe size shower showers supply tank tee waste water website
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  19. R

    Aqualisa shower cartridge change

    I have a leaky Aqualisa Aquarian, about 10 yrs old. I can source the correct cartridge for this, but am not entirely sure about fitting it. I know that the cartridge is a push fit over the two short copper tails showing through the tilework, and I should use some silicone grease when refitting...
    • rsk289
    • Thread
    • aqualisa bathroom cartridge change cold concrete control copper drain fitting job loft mains megaflo pipes pressure shower shower tray system tap tiling valve valves water
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  20. H

    Baxi Megaflo Boiler - 'crackling' noise & heat loss

    Hello, I have recently had a Baxi Megaflo boiler fitted. After a lot of effort the radiators were balanced and appeared to work okay although there was a bit of ‘crackling’ noise from the boiler (this was particularly bad when the hot water was switched on) and was believed to be air in the...
    • hastings
    • Thread
    • air bar baxi boiler boilers central central heating system fitting flow heat heat loss install megaflo noise oil pipe pipes pressure problem radiators system water work
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
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