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My potterton promax combi boiler he plus has a loud rumbling noise coming from the boiler every time it " heats up" What might this be causing the noise.

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 104 Answers

SOURCE: Combi Boiler - Running warm & then cold!? HELP!

mixing valve must be replaced

Posted on Nov 02, 2008

  • 17 Answers

SOURCE: COMBI BOILER /CENTRAL HEATING

the boiler should modulate to controll the radiator temperature but the central heating will go off whilst you are drawing hot water

Posted on Nov 27, 2008

  • 1 Answer

SOURCE: Repressurise Potterton Performa 24 boiler

hope this is helpful. On my potterton 24 combi boiler it is the valve that sits the lowest, with a slight indent in the black tap. if you turn this for a short period you will hear a hiss and the pressure will quickly build to the desired pressure, when you can them turn the tap back off.

Posted on Feb 05, 2009

  • 30 Answers

SOURCE: clock on comi boiler

it may be the preheat setting on the boiler for the hot water circuit. do the radiators get hot when the boiler fires up with the time clock off ? if not then there is nothing to worry about if it is only on for a short time.

Posted on Mar 26, 2009

  • 30 Answers

SOURCE: vaillant 831 combi boiler timer help

check to see the time clock is set with the clock symbol. there are three settings on analog clocks I , O and clock the I setting is constant running, the O setting is off and the clock setting is timer.
also try setting the thermostat up higher to see if the boiler fires.

Posted on Mar 30, 2009

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1 Answer

I have a Potterton Combi Puma 80e When I use the shower the pressure seems to drop and shower goes cold! except when the central heating is on shower works fine


Does the red status led in the centre of the control board come on when hot water is drawn? You need to remove ONLY the front decorative cover to see the control board, two fixing screws at the base of it. If not the boiler won't fire when the CH is off.
The trigger for this is a pressure switch, replacement of which is beyond DIY scope.
FYV

Feb 11, 2013 | Water Heaters

1 Answer

Ideal response combi boiler model 120 loud vivrating / high pressure/ zero pressure


the low pressure issue is most likely the expansion vessel needs repressuring because the valve has leaked and is not seating properly so causing water leak outside.- with the pressure on zero, drain about 1/2 bucket out, mine had a exit tap near the inlet tap, then attach a car pressure gauge/ pump to the top of the orange exp vessel. pump it up to about 1.5 bar, that should do it..you may have to do this 2 or 3 times..
re loud rumbling sound, mine had this too, and at around the same time ! heres how to fix it..
BGas engineers are lazy, and unless you watch em like a hawk they lie about changing a part...mine had this loud noise problem and its caused by the gas being deflected out, because it has not been ignited by the spark electrodes, and the rubbish boiler doesnt detect this quick enough, so some gas gets out ..You may be able to smell some gas too. The cover is supposed to stop this, but it dont.

with power isolated, all you have to do is carefully remove the fan, and then the burner, and then dry it, clean it, and adjust the electrodes, 5mm gap between the pair of spark electrodes, and 7mm gap to the cone. and 7mm for the sensor electrode. Mine had a bit of water, i think its from the condensation coming back down the flue ? because the exchanger looked ok.

Also be careful of knocking the sensors and wires, and also check if these are ok as well.
This is a very common issue and nobody tells you

Oct 06, 2012 | Heating & Cooling

1 Answer

Potterton performa 28 flame failure


Chech ignitor is clean and the flame sencer , also check presseure switch see it this is working try jumping it out , and check fan is working , check water leval in boiler if its a combi.

Jul 14, 2012 | Heating & Cooling

1 Answer

My potterton boiler ignites itself after turning it on then goes out


Assuming this is a combi boiler and you mean that the main gas burner comes on then off:-
How long after - 5-20 secs check overheat thermostat Check the wires to it are firmly in place i.e. making a connection. If Ok? then you can short this out by joining the wires together - do with boiler OFF at mains electricity
Longer - say 1-2 mins check secondary heat exchanger for blockage - usually furred up inside & only solution is replacement

Dec 22, 2009 | Water Heaters

1 Answer

Fitting room stat


take the link out and fit stat wires in its place,will work then.

Dec 18, 2009 | Desa International CBN30T Central Heating...

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Hi. We recently moved to a rented property. We have a ST7100 Central heating and a Potterton Profile 50e boiler. However even though I have set the times on the ST7100, the heating ligth comes on, but the...


You definetly have a control issue. However trying to diagnose the exact problems that you have would be very difficult without actually seeing the wiring. You defintely have a wiring/control issue but I cannot tell you exactly what it is without more info. Sorry, I would love to help you more...

Nov 13, 2009 | Honeywell Electronic Programmable...

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Combi boiler problem


most have an overrun built in for a few minutes. if much longer have you got a room thermostat anywhere to turn down
If it never turns off check the switch which controls ON/TIMED/OFF and turn to timed or off. if it still continues on timed then it's the timer

Jan 22, 2009 | Whirlpool Aquatic Millennium VII -...

1 Answer

Repressurise Potterton Performa 24 boiler


hope this is helpful. On my potterton 24 combi boiler it is the valve that sits the lowest, with a slight indent in the black tap. if you turn this for a short period you will hear a hiss and the pressure will quickly build to the desired pressure, when you can them turn the tap back off.

Jan 07, 2009 | Heating & Cooling

1 Answer

Baxi/Potterton wall hung fan assisted combi boiler


does the boiler come on when the hot water tap is run if not change the hot water flow switch or the diaphram in the hot water flow valve it may be split

Nov 02, 2008 | Combi Centre DX - Mango

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