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We have 4750 questions about mending 'boiler pressure'

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Mend Heating, Home Heating Systems

villant f28, which valve do i open to fill pressure into the pressure bar?

we tried to open the valves that are under the boiler because the pressue bar is 0. but we are not sure which ... [Read more]
Mend Heating, Home Heating Systems

How do I increase the pressure in my worcester bosch 280 boiler?

The pressure is too low and the pilot is out and I can't get the pressure to rise to kick the pilot light in
Mend Heating, Home Heating Systems

How to manually increase pressure to my boiler after bleeding rads ?

I bled my radiheaters and must have messed it up. As there is no pressure hot water or heat. Have tried turnin... [Read more]
Mend D.I.Y, Plumbing

pressure too high ?

my ariston boiler goes too 3 bar from 1 bar idle
Mend Heating, Home Heating Systems

Worcester 350 BF Combi - depressurises over night?

Depressurises over night but when recharged with cold water to 0.5 bar fuctions again oK. Is this the Pressure... [Read more]
Mend Heating, Home Heating Systems

worchester boiler 24i problem ?

worchester boiler 24i problem ,how high should the pressure bar go up when radiators are on.mine is on 1bar bu... [Read more]
Mend Heating, Home Heating Systems

how to lower the BAR pressure on BIASI 24S combi boiler?? ?

The BAR pressure is at 4 all the time and the overflow leaks quite alot, i have had British gas out 4 times no... [Read more]
Mend Heating, Home Heating Systems

My Baxi 100/2 HE boiler fires up for 20 -30 mins the cuts out on lockout?

My Baxi 100/2 HE boiler fires up for 20 -30 mins then cuts out on lockout. It started intermittently, hot wate... [Read more]
Mend Heating, Home Heating Systems

how do i fit a fan to worcester 28cd1?

I need to fit a new fan to my boiler I've had a few quotes between £200-£300 just to fit it, i'm also told b... [Read more]
Mend Heating, Home Heating Systems

I have pressure loss on my Worcester 28cdi combi boiler why?

My worcester 28cdi combi boiler will lose its pressure when it goes cold. I set the pressure to1bar.Then I tur... [Read more]
Mend Heating, Home Heating Systems

Wocester Bosch 35cdi II boiler not heating water properly?

Hi, All of a sudden my combi boiler is not heating the water properly. The pressure seems good. If I fully ... [Read more]
Mend Heating, Home Heating Systems

how can i fix heatline s24/s30 combi-boiler?

i have a heatline combi-boiler s24/s30 when heating is on boiler cuts out and air pressure light flashes indic... [Read more]
Mend Heating, Home Heating Systems

How do I refill/top up a Baxi Combi Boiler?

The pressure on my Baxi Combi aprox 0.1 and I know it needs to be topped up but I havent a clue which tap need... [Read more]
Mend Heating, Home Heating Systems

worcestre 28cdi - increasing water pressure?

Why is boiler pressure still increasing to blow off when filling key out of boiler and water valve shut off? ... [Read more]
Mend Heating, Home Heating Systems

valliant combi boiler requires water pressure building up?

hi there, i have a valliant combi boiler and the water has been turned off, now i have no pressure in the boil... [Read more]
Mend Heating, Home Heating Systems

allways needs topping up with water?

My ferroli boiler always looses pressure and I have to top up with water before the radiators get hot where ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax 38c combi boiler showing fault code d1 ?

My ferroli 38c condesing combi boiler has no hot water and showing fault code d1 ? the c/heating is working f... [Read more]
Mend Heating, Home Heating Systems

how do you out water into the boiler? its a britony combi ce 100 boiler?

need to know how to put water into the boiler, as the pressure is low for my boiler i have been advised to put... [Read more]
Mend Heating, Home Heating Systems

how can i fix my sime friendly e combi boiler?

my sime friendly e combi boiler will not give me any hot water. it will however, give me heating. I have notic... [Read more]
Mend Heating, Oil Filled Radiators

GlowWorm Swift flow 80 combi boiler-pressure too high???

Can anyone help me as I am paranoid my boiler is going to blow up every time I put the heating on, so I am now... [Read more]

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