How to mend ... Cold Hot Water

Hot water comming out cold - Glow Worm 100e?

Water runs hot (very hot) for a short time, then flame goes out. Few seconds later it fires up but then trips... [Read more]

how can I stop my vokera compact boiler from delivering hot and then cold w?

My vokera boiler keeps running hot and then cold and back to hot again. The boiler is only 18 months old and i... [Read more]

how can i fix my vokera 80sp?

i have a vokera 80sp and the pressure gauge keeps dropping down to 0, and now that i have been refilling it it... [Read more]

Radiators/Water cold but boiler is hot?

We've recently had the radiators taken off and put back on during some work which was being undertaken - prior... [Read more]

Vaillant Turbomax 242E?

I have a Vaillant Turbomax 242E which seems to be working fine. The problem kicks in when I want to take a sho... [Read more]

Hot Water problem?

Ferolli Moderna 80E Combi boiler CH works fine. HW is hot for the first 10 seconds or so but then goes luke... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

hi i have a ravenheat boiler rsf 84et not firing up?

when i turn on the hot water or the central heating,the fan starts up and the pilot egnition fires and lights ... [Read more]

radiators on ,turn bath on no hot water?

we have a vaillant turbo boiler when we have the heating on and try to run a bath the bath water runs cold,the... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

ravenheat 820/20 combi boiler ?

When I run the hot water tap, the water is cold, the pilot light doesn't start up, but when I put the central ... [Read more]

hot water problem?

I have a ravenheat CSI 85AT boiler the heating works fine but last week the hot water was only running for a s... [Read more]

hot water vokera linea 28?

shower and tap hot water runs hot then drops to cold then hot again would this be the pcb if so how mutch woul... [Read more]

Worcester 28CDi Intermittant hot water?

When running hot tap hot water keeps going cold for a few seconds then comes back on. Watching the lights on f... [Read more]

Hot water problems with Ariston Eurocombi boiler?

In short, my boiler will only provide hot water whilst the heating is on, the rest of the time it is either lu... [Read more]

worcester bosch 230 combi boiler?

when the heating is on the hot water from the taps remains cold.i have been told this may be the clarifier.

central heating wont work?

I have a worcester 28cdi the hot water work's but the red light for the heating wont come on and the radiators... [Read more]

how can i change water filter on saunier duval?

My central heating works but i have no hot water, this is a combi boiler and have been told that i need to ch... [Read more]

friendley formate 80 E water tempurture problem?

i have problem with water tempurture which is cold and then gets warm and cold again it dose not stay hot or w... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]