How to mend ... Heating Hot Water System

icos HE15 - central heating not working properly?

i have an icos HE15 with Megaflo system. The hot water is working, pressure seems fine, boiler is displaying ... [Read more]

baxi bermuda 552 system. fire goes on for 2 mins then goes off??

Hi, my fire in front of baxi back boiler, pilot light comes on and fire lights, but after 2 mins the fire goes... [Read more]

red light constantly on vokera combi boiler?

The red light on my vokera compact HE combi boiler is constantly on. As per the manual it could be due to syst... [Read more]

Loud noise, no heating, no hot water-Boiler Vokera Compact HE?

Some time ago, the system started to make a loud noise. Then a few weeks ago the heating went down. Now, for ... [Read more]

how can I tell if the gas valve is being switched?

We have an old Potterton Netaheat 5/10 boiler, everything seems to be working, except gas to the main burner! ... [Read more]

Vaillant VCW, no hot water or heating! help desperatly needed?

I have a vailllant VCW GB 282E and the hot water and the heating do not work. I havnt had the boiler on for th... [Read more]

How can I set the hot water on a Jaguar gas combi-boiler? ?

Strange to say, the central heating system is working fine but when it comes to hot water...it won't reset!!

lp112 programmer is live and display works but is not giving an output to t?

Hi I have been asked to look at a domestic heating system, the boiler is Johnson stanley, the programmer is dr... [Read more]

lost manual F22 and F25 codes?

Hi, can anyone help? New boiler working fine on the hot water side ..now have tried to put on CH..fine for x2... [Read more]

Boiler not firing up?

Hi, I have a 28i with a drayton wireless thermostat system. The thermostat is working fine as I have checked ... [Read more]

Problem with hot water demand?

I have a vaillant 824 E, problem with hot water demand - boiler kicks in on start up but temperature on boiler... [Read more]

worcester 24i rsf combi heating?

hi, when in demand mode my boiler fails to light. fan does not run or pump, but hot water system is fine and w... [Read more]

thorn EMI Apollo not working?

I put new radiators in on Sunday and now the hot water system/heating system fires up but goes straight off ag... [Read more]

Vokera compact 24 combi boiler?

The boiler fires for hot water but not heating.There is pressure in the system & no room stats (just rad stats... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

water not getting really hot?

I have a newish Valiant heating/hot water system. The hot water is not getting as hot as it used to. I have tu... [Read more]

Heating /hot water system?

I ran of gas and combi 105 e boiler is now not working. Flashing red light, says flame failure. How do i relig... [Read more]

how can i fix my combi 80?

combi 80 set pressure gauge to 1 bar start central heating system pressure gauge rises to 3 bars then i ha... [Read more]

How can i fix my Central heating system?

When i run the heating with the hot water,the hot water is taking water from the heating and blowing it into t... [Read more]

Worcester Greenstar 24i?

Hi there I turned off my heating for the summer, (what summer some may say) I still get running hot water e... [Read more]