How to mend ... Boiler Keeps Going Cold

Central heating not working at all?

Boiler is working, hot water in the taps, pump is working on the boiler, thermostats and timer working okay, t... [Read more]

cold pressure over 2.5 bar on vokera Excell 80sp?

I have a vokera Excell 80sp boiler and the pressure when the heating is cold is 2.5 bar. I think i need to re... [Read more]

How can I fix my Potterton promax HEplus?

My mother recently had a combi boiler installed after having a traditional hot and cold water system previous... [Read more]

swiftflow isn't working?

Swiftflow 75 boiler went off and pilot would not light. Man came - said it was the thermocouple put in a unive... [Read more]

How can i fix my chaffateaux boiler?

My boiler temprature at the shower varies dramatically sometimes too hot then too cold what is the problem

How do I lower the pressure on a combi boiler?

My pressure is too high. It is recommended to be between 1 and 2.5 and it is on 4. I have tried bleading the r... [Read more]

my shower runs hot then cold ect.its run from a combi boiler?

hot cold,hot clod even when theres no other tap or toilet being used in the house

Intermittent hot water with my Vaillant TURBOmax VUW 242E?

For the past 4 months I have had intermittent hot water with my Vaillant TURBOmax VUW 242E, well rather luke w... [Read more]

How can I fix my LS100 Ravenheat boiler?

What should the resistance be of the DHW sensor when cold

How can I fix the hot water pressure in my WorcesterBosch 280 boiler?

My central heating wasn,t working so I got a plumber to fix it. While he was there I asked him if he could do... [Read more]

No hot water, although the boiler seems to be working fine?

Valliant boiler seems to be making all the right noises and there are no issues with the heating. 2 of the pip... [Read more]

saunier duval isomax c/h and hot water working but not hot?

Saunier duval isomax, when i run the hot water it works fine for 5 minuits due to it having a storage tank ins... [Read more]

How can i un-jam a temperature control on a triton Hp combi shower?

The combi boiler is still working fine, and hot water is coming from my taps, but the shower has all of a sudd... [Read more]

Ferroli 102 DHW intermittent?

My 102 is about 7yrs old. Long been a problem with DHW cycling between hot and cold a nuisance in the shower. ... [Read more]

i have a ravenheat ls80t with no hot water?

when i turn the tap on the water is warm and soon goes cold, but if the heating is off the boiler does not fir... [Read more]

Ferroli f24b boiler problems?

Hi we have a boiler of the above make. We have no central heating coming on at all. I went to turn it on as ... [Read more]

potterton netaheat 16-22 not lighting probs?

I have just replaced all the rad valves in a mates house, drained the system, replaced all the velves and retr... [Read more]

luke warn water?

My six month old Optomax HE 31 C boiler was working perfectly until 3 weeks ago firstly the pressure started t... [Read more]

limited hot water?

Hi i have a saunier duval thema condens f30e, the problem is with the hot water it works for 10 seconds or so ... [Read more]

Old Celtic 2.20ff rsc?

My Celtic is old but works very well, but the pressure creeps up, if i turn of the cold water feed on the boil... [Read more]