How to mend ... Boiler Water Central Heating

Vaillant combi boiler, loss of pressure when hot water is on?

Hi, can anyone help? I have a Vaillant combi boiler about 7 years old, central heating works fine and so does ... [Read more]

Worcester Heatslave 20/25 Combi-boiler?

Our Worcester heatslave 20/25 combi-boiler seems to have a mind of its own. The hot-water sometimes takes age... [Read more]

central heating not working on my glow worm 30cx?

hot water works fine but central heating does not when switched on.boiler seems to start but doesnt pump water... [Read more]

water pressure drop in isar he24?

When the central heating is in "off" mode, the boiler will kick in every 12 hrs to raise the water pressure. ... [Read more]

worcester cd35i ii pressure problem?

i have a problem with my combi worcester cd35i ii the pressure of the unit is at just over 1 bar and when you ... [Read more]

ferroli combi boiler HE31C?

i have no domestic hot water coming through taps central heating working ok can u tell me the problem if i can... [Read more]

no hot water from my ferroli optima 701?

i cant get the boiler to fire up in hot water mode and the water only comes out in a trickle. i have to turn b... [Read more]

I have hot water but no central heating?

I have a valliant boiler. Digistat scr seems to be working ok. programmer is set for heating twice a day, have... [Read more]

How can i get heating back on after power cut?

I have a central heating system - the timer lost power for a long time while i was on holiday. I had to repla... [Read more]

Thermostat Control?

I have a Digistat RF1 wireless unit which was replaced in Feb. since replacing it, a red light appears on the... [Read more]

baxi wm51/3rs?

i have drained the central heating system to change a radiator and add some tvrs i have put the water back on ... [Read more]

how do i fix my halstead boiler ??

the boiler is flashing 5/s and the central heating stays on all the time but i have no hot water . how do i fi... [Read more]

How can I fix my boiler, Worcester,Bosch 28LE ?

cannot get any hot water and the central heating will not Work either,have checked the pressure, still w... [Read more]

How can I fix my boiler, Worcester,Bosch 28LE ?

Could not get any hot water, now I cannot get any hot water and the central heating will not work either. I ha... [Read more]

Potterton Kingfisher central Heating Not working?

Hi, I have a Potterton Kingfisher Boiler which works fine for hot water but can't get the central heating to ... [Read more]

Ravenheat csi85 wont start?

My two year old ravenheat csi85 boiler has stopped working, the hot water works perfectly but the central heat... [Read more]

is the water supposed to be hot in the header tank?

i have an old back boiler heating system and would like to know if the water in the central heating header tan... [Read more]

Worcester 24Cdi Combi Boiler?

Hi,My boiler isn't working properly,(it is app 11 years old) The central heating side of it is fine,it works n... [Read more]

my combi gives hot water but central heating not working. ?

Have reset the Vaillant boiler as per instructions but still no heating. The pressure is too low but can't see... [Read more]

Why does my calor gas combi boiler only sometimes feed water to my shower?

So frustrating. never had a combi boiler with calor gas before. I am a hopeless woman alone and broke. (had to... [Read more]