How to mend ... Running Cold Boiler

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

I have CB24 Boiler and my water keeps running cold . ?

Over the last 20months (I am in a new built flat) I have had a plummer out 4 times and everytime they say the ... [Read more]

How do you top up the water pressure on a Vaillant VCW 242 EH?

I have located the cold water mains pipe, but cannot seem to get anything to happen when opening various valve... [Read more]

Vaillant sine 18 T 3 WF H. No hot water. Low water volume from hot tap?

Hi, I have a Vaillant sine 18 T 3 WF H. and the problem is no hot water the symptoms are:- 1, low water fl... [Read more]

worcester 240 boiler - no hot water or heating!?

Whats happened to my heating and water - first of all couldnt shower without either heating being on or else s... [Read more]

water pressure always on move?

Hi it's a vokera 80-20 flowmatic. good old girl not without her problems. can someone advise me as to why th... [Read more]

Vokera Maxin 28e boiler problems?

I have a Vokera Maxin 28e combi boiler. For months now, there has been a long delay getting hot water from ru... [Read more]

Heating but no hot water?

I have a glowworm 30 Ci combi boiler which has been great since it was installed. but yesterday the hot wate... [Read more]

How can we mend our Baxi 105e combi boiler???

We have a baby on the way and pray every morning that we can have a hot shower!! We cannot use the heating as... [Read more]

hot water is running warm/cold?

I have a potterton performa 28i combination boiler less than 5 yrs old. Worked fine until few months ago. Call... [Read more]

i have a combie 82 boiler,no hot water running only when boiler is on?

i have a combie 82 boiler,there is no hot water coming from the system only when boiler is on or centeral heat... [Read more]

Baxi 80e combi loses pressure?

My baxi combi 80e loses pressure from the pressure release valve when the central heating is on. when cold th... [Read more]

Potterton puma 80e?

When running a hot tap the boiler fires for about 10 seconds then cuts out the water goes cold and then the bo... [Read more]

Vokera Maxin24?

The boiler runs ok when on heating. If anyone uses the shower, the water runs cold and boiler goes to lock out... [Read more]

potterton profile 80e?

From cold, The fan is running ok , the pressure switch is ok ( new ) all pipes to air pressure switch are cl... [Read more]

my hot water dosent stay hot how can i fix it?(vokera excell 80sp)?

my vokera excell 80 sp boiler when running the hot water it runs intermitten hot and cold , the gas burners tu... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

Radiator problems?

Hi all, i have a valliant combi boiler no mod number the central heating system running my radiators, the wat... [Read more]

Alpha CB24 Boiler Fault?

Hi, My Alpha boiler CB24, switches off after running for a few minutes. The B light flashes every second. If y... [Read more]