How to mend ... Keeps Over Pressurising

how do i stop boiler from pressurising itself?

24cdi keeps filling up with pressure even when key is out of intergral filling loop

how do i increase the pressure in my boiler?

Hi, I have a worcester CDi boiler, about 9 years old. I recently had some building work done where they had to... [Read more]

Boiler not pressurising - Halstead finest gold?

I have a Halstead Finest Gold Combi boiler. I used to put pressure into the system by turning a value lever at... [Read more]

My Vokera 28 combi boiler keeps over pressurising?

I have a Vokera28 boiler fo about 2.5 years and just recently it has started to over pressurise causing the re... [Read more]

What is the problem when:-?

Vokera Compact combi(not condensing) is pressurising up to blow off constantly, although filler loop is discon... [Read more]

how do i re-pressurise my vokera 20/80 rs flowmatic?

my vokera 20/80 flowmatic will not fire up for dhw and ch. the pressure gauge is at zero so i assume it needs ... [Read more]

Boiler not pressurising - Halstead finest gold?

I have a Halstead Finest Gold Combi boiler. I used to put pressure into the system by turning a value lever a... [Read more]

Vokera Boiler - pressure too high and hot water keeps going cold?

I have a problem with my vokera boiler (i believe compact version but not sure), over easter i noticed the ... [Read more]

Low pressure in my boiler?

My central heating system occasionally loses pressure and falls below the required water pressure level and lo... [Read more]

GLOW WORM 24 CI?

My boiler is over pressurising to 3.0 bar expansoin vessels checked and charged ok. what else can i check as m... [Read more]

Pressure in a combi boiler?

I have a Ocean alpha 240ec combi boiler, after filling the system to the correct pressure (when cold) as the h... [Read more]

Vokera Mynute 20SE boiler?

I got some useful feedback to my previous question about large varying pressure in my boiler and the fact that... [Read more]

when should i put the air pressure in the expansion vessel of my wor24cdi?

i've been having problems with soaring pressure on my worcester 24cdi but after reading up a bit i realised th... [Read more]

pressurising a SIME Super 90 boiler?

I have just switched on the boiler for the first time. I have bled one of the top two radiators until the air ... [Read more]

ferroli optima boiler losing pressure?

just had a new bathroom fitted and since the pressure on the boiler is dropping to zero within a couple of hou... [Read more]

How can I fix my Ferroli combi boiler losing water pressure?

I have a Ferroli Moderna combi boiler and have to keep on re-pressurising the system (by using a filling loop)... [Read more]

what pressure should the expansion tank be?

i have a potterton lynx electronic combi and I notice that the expansion vessel at the rear has what looks lik... [Read more]

How do you pessurise a Valiant 824e?

I have a valiant 824e combi boiler, and want to remove a radiator to decorate, how do i repressurise the boile... [Read more]

Over pressure in Glow Worm Swift Flow 80 Boiler - dangerous??

I have a Glow Worm Swift Flow 80 Boiler. It is over pressurising itself to 4 bar when on for just a few minute... [Read more]

my worcester 24i wont stop filling and keeps releasing the safety valve???

my worcester 24i won`t stop filling and over pressurising,what do i need or how can i adjust the pressure?its ... [Read more]