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vessel

  1. W

    H/w expansion vessel

    I need advice but I'm not a plumber, I'm a joiner.We have a house in Portugal and last year had c/h installedwith new 200litre h/w cylinder. The h/w system is non vented and the cylinder is also heated by a solar panel. A month ago the 7 bar pressure relief valve started to leak when the guage...
  2. A

    Combi Boiler Expansion Vessel Replacement Needed (Halifax area)

    Hi, I am new to the forum and I am hoping members can help. The internal expansion vessel has gone on the combi, I need a 12L external vessel fitting. Job should be simple boiler is located in garage with very easy access and plenty of locations to fix the new expansion vessel. Located in...
    • adamfax
    • Thread
    • boiler combi combi boiler expansion expansion vessel replacement vessel
    • Replies: 5
    • Forum: Boiler Advice Forum
  3. B

    Mini Expansion Vessel

    First post since intro! Worcester 28cdi in property when we bought. Worcester engineer when servicing says should have a mini expansion vessel in cold supply because a water meter is fitted. Boiler has worked with very few problems over the years so why is mini expansion vessel needed now...
  4. N

    Seeking advice on my expansion vessel

    I have a Vitodens 100-W WB1B 26 kw system boiler. Which I believe needs a new expansion vessel, due to when I tried checking the pressure in this vessel, I had water spray out from the valve ..... Am I right that a split may have occurred ? If so, is it a simple job to exchange new for old...
  5. A

    Gunk escaping from cyclinder expansion vessel joint

    I have just moved into a new flat which has an unvented hot water cylinder. There is some very disgusting gunky looking stuff around what appears to be a leaking joint/valve going into the expansion vessel. At first I thought it was from a botched repair attempt using some kind of foam sealant...
  6. S

    No filling loop and red expansion vessel installed. How to represurrize heating?

    Hi, I need bit of an advice about finding the filling loop in my heating system. Apologies for long description but thought to cover as much so relevant solutions can be suggested. I have spent endless hours searching internet including this forum and everywhere it is mentioned there must be...
    • samsg30
    • Thread
    • expansion expansion vessel filling heating vessel
    • Replies: 28
    • Forum: Central Heating Forum
  7. I

    Expansion Vessel Thread!!?

    Hi, does anyone happen to know what the thread size is on a Baxi 105 HE exp vessel. Its certainly not 1/4 o 3/8, really struggling as I need to site the vessel away from the boiler and unable to send back.
  8. A

    Leaking Zilmet 11A solarplus expansion vessel

    Hi all, Got a customer with a leaking expansion vessel on the solar thermal side of the system that is installed. The solar thermal system is a Kingspan solarplus with a flat roof collector and the expansion vessel has started to leak on the weld area. There is an indirect solar tank by...
  9. W

    Baxi combi 105HE expansion vessel replaced

    Hi" folks I am new to this site and was wondering if anyone could help me with my boiler problem,s. this is how it all started, my boiler was loosing pressure and had to be topped up every day, thought I solved the problem by repairing a split pipe,this seemed to cure fault for about a week then...
    • Wjl52
    • Thread
    • baxi combi expansion expansion vessel vessel
    • Replies: 2
    • Forum: Central Heating Forum
  10. D

    expansion vessel cordless inflator

    hi guys having recently struggled to top up the pressure in expansion vessels i am looking to get a cordless tool that should make the job a little easier. finding a good one though seems a little more difficult, a little bit of research points me in the direction of the bosch pag 12volt but...
    • Deleted member 44451
    • Thread
    • expansion expansion vessel vessel
    • Replies: 30
    • Forum: Central Heating Forum
  11. S

    Glowworm cx30 flexicom prv or expansion vessel fault

    Hi, my boiler was consistently dripping from the expansion vessel with the pressure at about 2 bars or higher with fault f1. I was told to bleed a radiator and pump air into the expansion vessel , so I did up to about 4 psi. Suddenly something gave and water gushed out of the safety pipe outside...
  12. townfanjon

    Wrong vessel

    Guys, your thoughts please . went to service an unvented on Wednesday, oh dear , found a red heating vessel on system. explained to the customer the problem, she totaly understood and said please comeback and fit the correct one. when changing the vessel, I am tempted to drain and flush out...
  13. B

    External expansion vessel

    Bought an expansion vessel from toolstation with mounting bracket. What a pain didn't come with locking nut to hold to bracket. I used 3/4 backnut but them female iron would not bottom out as nut was to thick.
    • buckley plumb
    • Thread
    • expansion expansion vessel vessel
    • Replies: 6
    • Forum: Central Heating Forum
  14. M

    expansion vessel horizontally

    Can an external expansion vessel for a central heating system be fitted horizontally?
  15. S

    Expansion vessel problems

    I'm hoping that someone can help me. I have a pressurised indirect hot water system, and I noticed last summer that there was water dripping at the tundish. I measured the pressure at the top of the expansion vessel and found it to be zero. I therefore called in a plumber to take a look. He...
  16. S

    does cold water expansion vessel connect wrongly?

    Please check the photos and let me know, does the cold water expansion vessel connect wrongly? Thanks.
  17. G

    Cold water expansion vessel failure

    The cold water expansion vessel (24l) of a three-year-old system has failed and my plumber says that it must be because it was too small for the 300l hot water tank and proposes to instal an additional vessel for safety (as well as replacing the failed vessel). The manufacturers (Geminox) say...
    • GabiW14
    • Thread
    • cold expansion expansion vessel vessel water
    • Replies: 5
    • Forum: Central Heating Forum
  18. jaydebruyne

    System pressure / expansion vessel

    Quick question, Went to a leak, found it coming from a PRV from an ideal combi boiler. Checked the pressure and it was at 3bar. Someone had left the filling loop open. Released some pressure and tested the heating and within 5 mins the pressure goes to 3.5 bar. Am I looking at either a...
  19. C

    WB greenstar expansion vessel

    Can anyone offer me some help please i have followed the correct procedure to recharge expansion vessel on my WB when i try to re charge the EV the pressure on my pump shoots up to 2.5 bar and shows lots of resistance leading me to think that its not charging the vessel can anyone offer...
  20. R

    System boiler pressure problems - expansion vessel?

    Hi there I have a Worcester Bosch Greenstar system boiler. On turning on the central heating this week I noted the pressure was a little below 1 bar so I topped it up to the 1 bar mark. Fired up the heating again and noted later that the pressure gauge was well into the red - around 3 bar...
    • RVS6
    • Thread
    • boiler expansion expansion vessel pressure system vessel
    • Replies: 4
    • Forum: Boiler Advice Forum

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