How to mend ... Boiler Pressure Rises

Baxi Cmbi Boiler?

With the heating off, I bleed and pressurize the system and leave for 24 hours and there is no drop in pressur... [Read more]

ariston combi boiler?

My Ariston microgenus 27 mffi.is losing pressure through the safety valve(3 bar). when the central heating is ... [Read more]

ocean styleff?

when i put heating on the pressure bar rises to red on my ocean combi boiler styleff

modena102 ch problem?

i have a modena 102 that heats water perfectly but on ch pressure rises boiler creaks and after 30 seconds ish... [Read more]

glowworm swift flow 80 (honeywell) combi boiler?

hiya my central heating wont work, i've tried bleeding the rads and all seem ok but i think there may be an a... [Read more]

Pressure setting on Worcester 350?

Pressure Low light indicates that pressure in system is incorrect, which I think has caused system to stop wor... [Read more]

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]

pressure variations on thermaclassic f30e combi?

i put pressure to 1.5 bar , turn on the heater , the pressure rises to 2. 5 bar and the safety valve lets by ... [Read more]

Worchester greenstar CDi 35 losing pressure?

Hi, I`ve had my Worchester CDi 35 for 1 year with no problems, runs great however last month I`ve been having... [Read more]

What can the fault be with constant running on lynx 2 combi boiler?

I have a Potterton Lynx 2 combi boiler that has had its fair share of problems over the years.It now fires con... [Read more]

high pressure on Worcester-Bosch 24CDi boiler?

Pressure on gauge rises very quickly, has even reached past 4 on several occasions. have to bleed radiator/s t... [Read more]

How do I pump up the expansion unit with air:Sauvier Duval Combitek F23E?

When I use my CH and set the pressure to 1 bar it rises to just above 2.5 bar and nears the red. There is also... [Read more]

Help, Vokera Linea 24, dilema?

Hi, Please help as I have read all the postings on here and I am now not sure. My boiler pressure is at ... [Read more]

how can i fix my sime super 90 plus pressure?

my boiler is risen from 1.5 bar to over 3.5 bar i have blead all the rads in the house and got the pressure do... [Read more]

pressure drop in baxi 80e?

when i put the central heating on the pressure rises to above 3 bar so the overflow kicks in and i end up hav... [Read more]

how to repair my vokera linea 24 boiler?

how to repair my vokera linea 24 boiler? my boiler pressure rises to between 2 and 3.5 bars with the heatin... [Read more]

Pressure rising each time boiler used?

Have Glow-worm Combi 30ci plus. Had the (cracked) expansion vessel replaced after leaking. Boiler pressure now... [Read more]

boiler pressure runs very high when heating is on?

boiler pressure runs very high when heating is on. Pressure valve opens and vents water but pressure does not ... [Read more]

glow worm 24 cxi filling loop not working?

Pressure had dropped due to bleeding. Bled again (not used much during the summer) and pressure dropped below ... [Read more]

Glowworm combi boiler pressure rises when central heating on?

My Glowworm 30ci combi boiler has an operating pressure of 1.5 bar but when I switch on the central heating th... [Read more]