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  1. D

    Potterton promax 24/2he parts problem

    Hi can anyone steer me in the right direction, I have a client with a promax 24/2he and the silcone gromet/washer that is on the outside of the spark electrode [to prevent shorting out] is damaged and occasionally it shorts and then ingnites with a bit of a bang, when it doesnt short it fire up...
  2. J

    Condensate pipework on Potterton Promax SL 24

    Had boiler installed last year and had problem with frozen pipe. I have been advised to move it to avoid this problem. If the pipe is ran straight down the wall under the boiler and a hole drilled above the skirting board to go outside to a drain that is for the upstairs bathroom will this be...
  3. D

    potterton promax 28 he fault

    having problems with a potterton promax 28 he, no fault codes showing call for heat and nothing happens only tempreture displayed. put hot tap on and hot water light comes on but its only the pump that kicks in then nothing else happens. when you reset it the fan kicks in for pre purge so fan is...
    • david4924
    • Thread
    • codes comes fault happens nothing potterton potterton promax promax
    • Replies: 23
    • Forum: Plumbing Jobs | The Job-board
  4. R

    Potterton Promax 24 He Plus constantly on

    I have a problem that seems to be to do with the connection between the timer and the boiler that results in the boiler not being turned off whenever a time slot expires or the thermostat operates. It bears a strong similarity to the following...
    • readerea
    • Thread
    • boiler central heating system constantly plus potterton potterton promax promax timer water
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  5. L

    potterton promax 28HE plus E133 fault code HELL!!

    can anyone help? this boiler showed this fault a few days ago, i fit new e........s as i've had this fault on a previous model but this did nothing, checked the ohms reading across the fan which was 40 which i believe is fine. I then realised the boiler worked perfectly fine if the casing was...
    • lee30solo
    • Thread
    • boiler checked code fault plus potterton potterton promax promax replaced which
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  6. C

    Potterton promax combi he plus 2 fault codes??

    Reading on the forum seems a few people are having problems with the ignition on these boilers!! I'm getting an intermittent E133 fault, so having seen this fault on the baxi duo-tec (normally spark gap on ignition electrode) i removed electrode to check gap and condition, all looked fine...
  7. D

    Potterton Promax 24HE Explosive Ignition

    Hi. If anyone can help me try and pin down an issue with a customer's Potterton Promax 24HE... I was called out to this just before New Year, as it had literally exploded (well, the burner anyway), and scared the living daylights out of the occupants who thought the front door was being kicked...
  8. J

    Which to get - Potterton Promax 33 or Worscester Greenstar 30 ?

    I need a new reliable combi, and heard lots of things good and bad about lots of makes, but these two keep coming up as good units, but can't decide So which is best the Potterton Promax 33 or the Worscester Greenstar 30 (or any other suggested makes/models you think are outstanding) ? 10 rad...
  9. L

    Potterton promax 15/2 he plus combustion issue

    Hi, I'm after some advice regarding the above boiler. Personally I've never come across this model as I mainly work with commercial boilers. The problem I'm experiencing is when the boiler has been running for about 20 mins it will just go out and then re light with a bit of a pop. Im the 3rd...
    • leedsgasservice
    • Thread
    • after boiler boilers burner combustion flame issue plus potterton potterton promax promax
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  10. K

    Potterton promax 24 he plus ,leaking pressure vessel

    Hello new to this forum,I have a slight leak from the expansion vessel in my potterton promax 24 he plus,I can get a new one and replacing it is easy,my question is this ,Do I need to pressurise the vessel after fitting via the schraeder valve,or will it self pressurise once I repressurise the...
    • Kaydee
    • Thread
    • boiler plus potterton potterton promax pressure promax system vessel where
    • Replies: 15
    • Forum: Plumbing Jobs | The Job-board
  11. A

    Potterton Promax HE24

    Hi I have got a loss of water pressure, I have replaced the PRV about 8 weeks ago as PRV was definitely letting by, but problem is now back, There are no signs of leaks. Is it the expansion vessel?
    • allan.warics
    • Thread
    • about letting potterton potterton promax pressure promax quickly takes
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  12. W

    Potterton Promax 15HE

    Hi gang, Went to a property with the above boiler. Tennants mention it was making a few banging noises. I noticed on start up there was definite explosive ignition. Is this common with these? I've not had any experience with these boilers. Are there any other common faults/niggles to look...
  13. R

    Potterton Promax

    Hi guys hope you can help me, I have a customer that has a Potterton Promax System boiler. Its on an S plan system and feeds a megaflow and 14 rads. The boiler fires, heats the rads/water reaches temperature then goes off as it should, temperature drops down, boiler re fires and then over...
    • Rickster123
    • Thread
    • boiler bypass check potterton potterton promax promax should system
    • Replies: 7
    • Forum: Plumbing Jobs | The Job-board
  14. M

    Potterton Promax SL 12 or Potterton Gold H 15

    Hi, new to the forum and would like some advice. We have a old EVO boiler that has died (pcb replacement that will cost an arm and leg). The system is heat only and there is a hot water cylinder, pressure vessel and pump in the airing cupboard. Our plumber has suggested that we replace with...
  15. M

    Potterton Promax 24HE

    hi, Customer wants his existing potterton Promax 24HE moved from currently in a bedroom into the loft, replacing the flue with a vertical flue. In order for me to do this i will need to get rid of the F & E and replace with expansion and filing loop. Anyone got the best way and easiest way to do...
  16. M

    Potterton Promax HE Plus fires up when timer is off

    Just wondering whether anyone can help with this. I have a 4 year old Potterton Promax HE Plus which fires correctly when the timer comes on and both water and radiators seem to work ok. The problem is that when the timer is off the boiler fires up for a couple of minutes on a regular basis...
  17. R

    Potterton Promax 15/2 HE

    Can anyone point me to any posts or threads that deal with ignition problems with potterton Promax 15 HE boilers. I have attended sevral of these recently with problems ranging from explosive ignition to repititive lockouts on flame failure. Potterton have advised to change combustion door and...
  18. C

    Potterton Promax Combi HE Plus, E133 Fault

    As above, my boiler keeps producing this fault every now and then. Any one got any fixes for it?
  19. M

    potterton promax 24HE combi fault code e168

    hi customer rang and say boiler works fine most of time then goes out but code come up - e168. hace looked into this a every site i go to seems to say PCB fault. boiler prone to this. anyone had any prob with these thanks
  20. M

    Potterton Promax 15 HE problems, getting desperate now!

    copied from plumbing forum Hi everyone I have joined this forum in the hope that someone has an idea of what is causing my boiler problems. We have had no reliable hot water since Christmas now!! Please help :) Background During the really cold weather in December the condensate line...
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