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  1. P

    Baxi 105e strange issue, for me

    I’m sure the gurus on here will have an idea what is going on with this boiler. Well boiler suddenly switches off, no ch or dhw, but main power light on no error lights etc. so check all usual suspects all fine, but, check across reset switch and output appears as about 24 volts when I/p to...
  2. U

    Baxi radiators too hot

    I've set the boiler (radiators) to 50°C using the up/down buttons, but the radiators and the display temperature are 70-80°. Why is the set temperature not working?
  3. W

    Baxi Bermuda 45 back boiler not working

    Hi All New to this and a little green around Gas boilers.. So, a house I’m in possession of has an old and trusty Baxi Bermuda 45 back boiler which worked perfectly fine until I isolated the gas supply from the meter box.. After a couple of months and with the weather getting colder, I’ve went...
    • willdbell
    • Thread
    • back boiler baxi boiler
    • Replies: 6
    • Forum: Boilers
  4. M

    Help with leaking boiler flue on baxi neta tec combi ga24?

    Hi, I've been having trouble with my boiler leaking for months. We thought we'd fixed it last winter as haven't had any trouble throughout the summer but in the last week or 2 it's leaked again, we had several people out to look at it but no one fixed it. Tonight we've had someone else look and...
    • Mark2788
    • Thread
    • baxi boiler combi flue leaking
    • Replies: 3
    • Forum: Boilers
  5. R

    Potterton/Baxi Promax Ultra 40 - Fluctuating temp

    Hi, I have the combi boiler Potterton/Baxi Promax Ultra 40. When I set the temperature to (e.g.) 45°C, the boiler fire up and stay at max power until the hot water temp increases to 57°C and them it turn off the flame. When the temperature reduces to 42°C, it fire up again. Doesn't matter the...
  6. D

    Pre-heat function on baxi?

    I have a baxi megaflo 2 boiler and twice a day (6.30am and 5.30pm) I can hear it firing up for around 20 minutes or so. Is this normal for this type of boiler? I know some boilers have a pre-heat function that can be switched off but I’ve looked at the manual online and can’t see anything about...
  7. stings27

    Baxi solo 2 70 pf problem

    Evening all. Have encountered a problem with neighbours boiler and wondering if one of you out there could help me. When the programmer is turned on , everything seems in order. ‘Boiler on’ lights up, ‘fan on’ lights up, ‘pilot on’ lights up then burner on. After around 5 minutes, the boiler...
  8. D

    URGENT Baxi 105he condensate trap

    Baxi 105he fault code blocked condensate trap? Removed terminals disconnected the pipes undid fixings removed trap and gave it a good clean out then refitted? Boiler still showing same fault code after a lot of head scratching I changed the terminals over from there original positions on the...
  9. K

    Baxi 400/600 materials issue?

    I've recently noticed some of the 'new' baxi boilers' cases going a bit yellow and am concerned that they're not UV stable and are going to start crumbling sooner or later. Replacing a condense elbow today that has turned into what I can only describe as plasticine has only added to my concerns...
  10. I

    Baxi combi boiler water pump valve leak

    Recently the central heating pressure kept dropping in my baxi combi boiler, I topped it up yesterday evening and this morning in needed topping up again. I noticed a small leak from what appears to be a valve on top of the water pump. Looks like it's a screw and maybe if I tighten it it will...
    • imMike
    • Thread
    • baxi boiler combi combi boiler leak pump valve water
    • Replies: 1
    • Forum: Boilers
  11. king of pipes

    Baxi solo 24 he heat

    Bit of a problem with one of these my carpenter mate has one fitted 10 years + I'd say not looked after at all 🙁 recently developed a overheating issue , two port valve on the unvented cylinder was faulty , Salus wireless stat loosing pairing , expansion vessel shot , got this all sorted...
  12. F

    Baxi Duo-Tec won't repressurise

    Hi. I am unable to repressurise my boiler after draining to remove some pipes. I have done this several times before it was moved into the loft. The guy who moved boiler is stumped and recons boiler is faulty. It's only 3 years old. Only a small amount of water enters boiler before it stops...
  13. R

    Baxi 105e plate heat exchanger upgrade

    Hi all New Diverter valve going in mid week ( subject to eng being available) and from my previous discussion, the dhw plate heat exchanger could also be causing the bypass to lift. So I have sourced a potential replacement dhw plate heat exchanger to go in at same time, but the original part...
  14. P

    Problem with Baxi Boiler

    I have a Baxi 600, every time the power is switched off then turned back on the fan just runs on full and there is no LCD display, no hot water or CH, I think its happened about 3 times now and automatically comes back on normal after about half hour. This time however its been around 1¹/², does...
    • Paul Rawdy
    • Thread
    • baxi boiler
    • Replies: 1
    • Forum: Boilers
  15. R

    Salus IT500 and baxi 636 compatable ?

    Hi all, Decided to get the Baxi 105 replaced. Going for the baxi 636. My question is, will my current salus iT500 be compatible with the 636 as there doesn’t seem to be a 0v switching contact. I don’t have a 230v wired thermostat and the salus uses 0v switching. I don’t believe the iT500 is...
  16. grumpydad

    Baxi 836 Vs Worcester Bosch 8000 35kw

    Hi all. My glowworm e50 has seen better days. Situation = 4 bedroom detached house, header tanks in the loft, all the rads are singles, they are all the originals from 1996. No TRVS. Some are rusted on the bottoms. Vented heat only. Essentially, it's time to spend some money. Got two...
  17. R

    Baxi instant 105e Diverter valve repair

    Hi all, Quick question. I have a baxi 105e instant that has a Diverter valve issue. The bypass is allowing hot water around the bypass pipe and into the CH return pipe. I have looked at a rebuild kit and it seems that there are 2 listed. One is a cartridge type and the other more a kit. My...
  18. M

    Baxi boiler just installed.... gurgling sounds.

    Hi. New Baxi 619 heat boiler installed last week. Type with a hot water cylinder. Lots of water / gurgling sounds when hearing switched on. Plus the boiler ignites and stays on for approx 10 minutes then switches off. Then comes back on after a few minutes.... this cycle repeats. Any advice...
    • Max Thomas
    • Thread
    • baxi boiler
    • Replies: 1
    • Forum: Boilers
  19. R

    Baxi 105e instant replacement

    Hi all. After some advice before I get some quotes. I have a 19 year old baxi 105e instant that needs replaced for something more efficient. I’m looking for suggestions for another baxi combi boiler that can be changed over with minimum work. My flue is side exit from the boiler (approx 1m to...
  20. S

    Baxi main eco 25 bolier

    Hi guys have a baxi main about 10 15yrs old. Have an error E1 33. Boiler attempts to power up when hit reset. Sometimes fire up after few attempts then goes to 71 temp for hot water and starts losing temp sounds like burner going off and on after temp goes down E1 33 appears. Had engineer out...
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