How to mend ... Running Cold Boiler

Worcester Heatslave 15/19 - water runs cold every now and again?

I have a 10 year old oil fired heatslave. The heating is good and usually the water is too but now and again i... [Read more]

vaillant 221H hot water problem?

When running bath water the water starts out hot and then goes cold and then hot again. When watching the main... [Read more]

Micron 60ff boiler. Ignition failure?

On most days, usually in the morning and evening when the boiler is programmed to come on from cold, this happ... [Read more]

ideal FF270 ticking but no heating. Pilot light OK?

My Ideal FF270 is installed to supply CH only and sometimes works perfectly. However, in really cold weather, ... [Read more]

vokera linea 24 ?

my boiler keeps going off when temp gets to a certain heat,water then goes cold and when it drops temp it then... [Read more]

WHY HAVE 2 BRAND NEW AARROW STRATFORD TF90 MULTI FUEL BOILER BUCKLED?

I bought an AARROW STRATFORD T90 80,000btu got company to fit and after only 6 weeks it buckled all round the ... [Read more]

Temperature on Mira Excel B running hot and then cold?

Mira Excel B shower working off Combi Boiler, water pressure is good, but temp keeps going up and down. Have f... [Read more]

How can I fix my Vokera Compact 24 combi boiler?

Hello there. I'm a complete novice when it comes to boilers and mine is really playing up. It's a voke... [Read more]

What are the symptoms of a faulty boiler stat ?

My boiler seems to be running for very short periods and the central heating hot water is not getting to the f... [Read more]

Worcester Highflow problem with hot water?

I am wondering whether anyone could advise of the likely cause of my Worcester Highflow combi boiler only prod... [Read more]

Loud rattle/wheezy noise from Baxi 35/80 IE boiler?

this started last evening accompanied by fluctuations in System pressure gauge on boiler. On advice from gas ... [Read more]

boiler heating water intermitantly?

boiler only heats water for a short period then runs cold.after running cold it then runs hot again.etc

potterton performa 24 problem?

i have a potterton performa 24 boiler, from cold it works great but once up to temp it switches off, pump over... [Read more]

no dom hot water?

optima 701, i cant get d.h.w. heating is ok but running hot tap cold ,boiler not calling for heat when tap ope... [Read more]

Combi Boiler Sime90?

Heating working but the hot water running hot cold hot cold. Engineer so far has replaced Thermistor, Plate he... [Read more]

FERROLLI DOMINA 80E PROBLEM STARTING IN THE COLD?

Boiler tries to start up fan goes,sparking ok, then makes a ocoilating noise and goes into red fault lock out ... [Read more]

Riello RDB2 oil burner wont ignite when hot?

I have a Riello RDB2 burner in my boiler. After fuel running out and subsequent re-fill the burner ceased func... [Read more]

Grundfos Alpha+ 25-60 pump problem?

the Grundfos pump circulates water in my UF heating system however, I have noticed lately that although my liv... [Read more]

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]

can some one tell me how i can fix my combi boiler?

My combi boiler hot water is running hot and cold , i have check the boiler and it go's on for 10 sec and off ... [Read more]