How to mend ... Ch Pressure Water

worcester 350 combi low pressure/leaking?

hi, my combi 350 worcester loses pressure slowly and i have totop it up,the other night it was on low pressure... [Read more]

Vokera Linea Max - hot cycling after re pressurising expansion vessel?

I have re pressurised the expansion vessel to 12psi having isolated and drained the boiler. The vessel now hol... [Read more]

Worcester 350 Hot water only warm?

Had reason to change main PCB but now luke warm water but CH ok. Do the PCB potentiometers need setting up for... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]

No heating, but Hot Water works fine Vaillant VuW 242 failure: F.28 ?

In my case F.28 comes ONLY if heating needs to start. If I open the hot water tap during CH ignition attempt,... [Read more]

I cannot get water back into the CH system after draining down?

I drained down our CH system and can't refill it now. Its a traditional system with a expansion tank in the l... [Read more]

Vaillant Pro 28. Rads get warm when hot water is run?

I recently had error code F75. Pressure was low and boiler locked out. I put pressure right and turned boiler ... [Read more]

f9 flashing on combi boiler 30ci glowworm ?

the light flashes red intermittantly. the pressure is ok at 1.2 bar . we have CH . when the water is on it is ... [Read more]

Combi Boiler CH ok but no HW?

I have an old oil-fired Firebird C20 70K combi boiler, that provides CH and DHW to my house which has a single... [Read more]

RAVENHEAT ls100t - warm water only, heating ok?

Hello, I'm hoping someone may be able to help. My combi boiler was fitted around 6 years ago, and after two ... [Read more]

ferroli bioler banging?

I have a ferroli DOMIcompact24 b boiler. When the boiler is not on, the pressure dial is about 1 bar. But ... [Read more]

Pressure reducing on my Bosch Worcester 24 CDi Combi Boiler?

A few months ago i had problems on my boiler with 'rising' pressure. This turned out to be the Heat Exchanger ... [Read more]

VOLKERA LINEA MAX FLOOR STANDING FROM HELL?

10 YEAR OLD. Lots of parts replaced by British gas BUT .... Get hot water okay but little or no heat to rads.... [Read more]

PRESSURE DROP ON VAILLANT 282E DHW?

WHEN USEING HOT WATER ON MY COMBI THE GUAGE PRESSURE DROPS AND WHILE IT IS RUNNING I HAVE TO FILL THE BOILER U... [Read more]

is it time to replace my boiler???

Glow worm swift flow120 combi boiler(1995). The boiler was working fine then stopped, Mr man on this forum su... [Read more]

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

Isar HE30 problems?

We have the Ideal DH30 Isar combi heater. I am having a problem with it recognising the thermostat for the c... [Read more]

what is wrong c/h fine hot water not working properly?

potterton performa 24 eco boiler loss of pressure ch works fine h/w is very little then just luke warm soon ... [Read more]

CD24I Combi Boiler problems?

Put the CH on boiler made funny humming noise, all worked ok went out came home CH not working. Boiler light o... [Read more]