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ProMax is a chemical process simulator for process troubleshooting and design, developed and sold by Bryan Research and Engineering, Inc. Initially released in late 2005, ProMax is a continuance of two previous process simulators, PROSIM and TSWEET. ProMax is considered the industry standard for designing amine gas treating and glycol dehydration units.

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  1. Baxter76

    Potterton Promax 18 - Fault

    Hello Wondering if anyone can offer any clues please // Potterton Promax 18 // Had an E1 error code, repressurised via with filling loop // Boiler fires but now the pressure runs up from 1.5 mark in the green up to 2.5 in the red then flicks off. // Error code again // Once held in reset for...
  2. M

    Potterton promax 40erp HW issue

    We have this boiler installed and it's started to give issues. The service was done and passed ok. But only as there was no noise for the guy to hear. Radiators are fine. When hot water is being used it generally seems OK, but sometimes there's a large rumble noise 10-15 secs then it stops. I...
  3. G

    Difference between Potterton Promax FSB 30 HE and GOLD FSB 30 HE

    We have been given two part numbers for the electrode kit for our Promax boiler but the reference is for the Gold. Will we be ok to use the electrode kit 5132366
  4. J

    stabilizing the inlet supply pressure on a promax combi

    I have a Potterton Promax combi 28 HE A and it runs a pump when cold taps are turned off and there is a slight change in inlet pressure. I am thinking of putting a pressure reducer or non-return valve and/or an arrestor on the inlet pipe. I tried putting an arrestor on all the cold taps and...
  5. C

    URGENT PROMAX PROBS

    Any ideas why the Hot Water indicator light would stay on for up to an hour after the tap is turned off? Potterton Promax Combi HE 28. Boiler not staying ignited, fan and pump running
  6. R

    Promax Combi HE Plus recharge expansion valve

    Hi all, a little advice and validation of current advice (from dad). So boiler has been loosing pressure with an error code of E119. The pressure drops over a day or two and I top it up to around 1.5 by means of loop. This temporarily allows the boiler to fire up and do its thing. I can't carry...
    • RussMB
    • Thread
    • america combi expansion plus promax usa valve
    • Replies: 11
    • Forum: USA
  7. A

    HOWLING POTTERTON PROMAX BOILER!

    We have a boiler that greets the day by howling like a dog! At 4.30 am it starts with a low moan that builds quickly to a reverberating howl that fills the entire house. This goes on for fifteen to twenty minutes with varying levels and pitch with harmonics and groans until it has reached it's...
    • AndrewD
    • Thread
    • america boiler potterton potterton promax promax usa
    • Replies: 13
    • Forum: USA
  8. J

    Potterton Promax HE Plus - Question about operation.

    Hi, I've got a Potterton Promax HE Plus combi boiler and had a question I was hoping someone could help answer for me? The boiler switches on and heats up the radiators upon being activated but it seems that once the radiators get hot the pilot light on the boiler switches off for a while until...
    • JKCP3575
    • Thread
    • about america intermittent plus potterton potterton promax promax question turning usa
    • Replies: 2
    • Forum: USA
  9. Stanios

    Promax/ Performa hot water switch

    I am sure everyone is familiar with these and the common diaphragm replacement cure for drips and no hot water fix. Just the other week replaced a diaphragm it looked pretty good I put new one in anyway. The pin did come out but only when the tap was half way on at least. Pressure in the house...
  10. D

    Potterton promax he loud noise

    Help my boiler is like a broken washing machine spinning at night. Have emptied condensate pipe under boiler nothing seems to work loud banging had to turn off at mains.
    • Dave69
    • Thread
    • america loud noise noise potterton potterton promax promax usa
    • Replies: 7
    • Forum: USA
  11. C

    Promax Combi HE Plus

    Hi My Pressure Gauge is giving me grief it’s rising on its own goes down to 0.8 and then rises to 1.4 bar where it currently is the heating is not currently being used and no hot water has been used for a few hours. Does the gauge need re placing.
    • Cavvie
    • Thread
    • america combi plus promax usa
    • Replies: 8
    • Forum: USA
  12. plumb_know

    potterton promax he store

    Hi Everyone, I am going to a promax he store which i serviced a few weeks back due to loud noise when heating was on. i cleaned burner replacing burner door seal & flue sensor. on the 1st visit the boiler was running fine until it modulated to low rate, the flame was not regulating properly...
  13. D

    Potterton Promax 15 HE Help

    I have a Potterton Promax 15 HE from around 2005. When I put the hot water on for an hour or central heating, the boiler runs for about ten minutes then shuts off. If I drain the condensate trap using the bung underneath, it runs perfectly for the hour. I tried draining the trap before putting...
  14. Lee Davies

    Potterton Promax HE 15 2004

    er OK, so here is an update on this boiler to see if anyone else is the wiser. I actually got longer than 15 minutes in the property today. I cleaned out the condensation trap, this was blocked, therefore causing the boiler to lockout. The trap was full of 14 years worth of aluminium by the...
  15. plumb_know

    Potterton Promax leaking

    Hi Everyone, I have found a leak on the potterton promax system heat exchanger on top left hand side from a nipple held on by clip, believe it most likely o-ring gone, but i cant find the part anywhere in manual. I have attached a picture hope someone on here can identify the part? Thanks
  16. A

    Promax in cellar. Combi wanted in airing cuoboard

    I know a post like this can be pointless as without seeing the job its hard to say a price. Ive had a customer call me, he has the boiler, vertical flue and hive controls. He wants a vaillant 835 combi in the airing cupboard on the top floor. Current boiler is in the cellar and so is the gas...
  17. Jock Spanners

    Potterton Promax Combi

    Evening All, I've got a new customer who's moved into the house that Jack built. No sooner have a replaced the illegal flue than the 5 year old Promax has developed dhw problems. It was your classic blocked phex so I replaced it. Then it started making an horrendous noise so on Baxi's advice I...
  18. P

    potterton promax 33 he issues

    Afternoon lads and lasses , having some issues with this boiler . Heating working fine. Hot water keeps dropping in and out !!! Recently had new diverter cartridge and motorised head as the hot water was going into the heating and hot water sensor (green wires) and its reaching 90 and then...
  19. townfanjon

    The dreaded Promax again , board ??

    Guys , anybody any ideas ? Customers just rung with this one , 12ish year old Promax heat only , S plan. Boilers just fires a few mins and turns off , fires , turns off etc etc , its doing it on HW & HTG . The boilers not actually locking out so no resets yet. To be honest I dont want to get...
  20. B

    Potterton Promax boiler making extremely loud noise?

    I have a Potterton Promax HE, and when I turn on just the hot water it is fine. However if I turn on the hot water and heating, after about 15-20 minutes it starts making a noise like it's going to bring the whole building down! I recorded a video... Potterton Promax HE noise - Streamable Any...
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