How to mend ... Hot Water Fires

worcester bosch 537i gas combi?

open dhw tap - boiler fires and goes to full fire fan on pump on no hot water

Saunier Duvall F30E Hot water but no heating?

Hiya. Hot water operates fine however....demand for heat , boiler fires up ok, temp display increases to 77 de... [Read more]

suprima 40l pls help?

boiler only fires up when hot water and heating on new three port valve/new pcb/new over heat valve runs fo... [Read more]

how can i fix?

my wallstar boiler does not fire up when i switch the central heating on however if I switch the hot water on ... [Read more]

Ravenheat Combi Boiler problems?

I have a Ravenheat CSI 120(T) low nox boiler installed 29 October 2010. Since then I have had four visits fro... [Read more]

boiler cuts of when hot is called for?

when i turn on the hot water when the boiler is running is cuts out then want start untill i turn room stat d... [Read more]

Help - water working, but not heating?

My Vaillaint boiler has had 8 engineers out in 7 weeks and still the heating won't switch on. The exchanger h... [Read more]

can anyone help- Domina 80E CH fault?

I can get hot water easily and constantly but the central heating doesnt work properly. The CH comes on when i... [Read more]

Gas boiler fails to fire and safety cut out has switched in?

I have an oldish gas boiler - Potterton Netaheat Profile - which provides both hot water and serves room radia... [Read more]

How can I fix my Vaillant combi boiler?

I have a vcw-gb 242 combi boiler and now find the central heating wont fire up. When i turn on the hot water t... [Read more]

How can i fix my Chaffoteaux Minima HE 30 Combination boiler?

Chaffoteaux Minima HE 30 Combination boiler with intermitent hot water. fires up and runs for 20 - 30 seconds ... [Read more]

locks out?

I have glow worm compact 100e every time the boiler fires on 5 seconds after locks out by it self i need to re... [Read more]

Central Heating boiler goes into start up shut down loop?

Ravenheat CSI 85 A(T) about 4 years old. Boiler pump starts, boiler fires up, runs a few seconds then shuts d... [Read more]

boiler failing to stat alight?

i have a worcester bosch24i and every time it fires up it only stays alight for 6 secinds then goes out and wh... [Read more]

ariston microgenus ch fault?

my ch has stopped working, the boiler fires up but the temperature goes up to 85 very quickly then the boiler ... [Read more]

Ravenheat CSI85A Condensing Boiler?

My Ravenheat CSI85A boiler fires up for a few seconds then shuts off and goes through the process of firing up... [Read more]

Domina 80E CH fault?

I can get hot water easily and constantly but the central heating doesnt work properly. The CH comes on when i... [Read more]

heat line c28 boiler?

The boiler works fine with the central heating but when it comes to the hot water it fires for only about five... [Read more]

Boiler cuts out when CH set to on?

I have a potterton system with a 2002 timing controler and a PT2 remote electronic thermostat. If the system i... [Read more]

intermittant hot water?

when the shower or the hot taps are run the water goes cold then hot then cold etc, the boiler fires intermitt... [Read more]