How to mend ... Heating Hot Water System Boiler

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]

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]

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]

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]

Glowworm compact 100p unable to maintain heating water pressure?

The heating water pressure has to be adjusted daily. When on holiday and the boiler is off the pressure rem... [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]

ravenheat csi primary aaa ?

boiler fires upfor about 1 minute then shuts down for 10 mins then fires up again from cold its a new boiler b... [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]

hot water pouring out of my overflow?

hi wondered if any one can help heard a massive amount of banging coming from my loft/airing cuboard today and... [Read more]

how can I reset my boiler?

I have a worcester 2.4i junior heating system in my caravan and this morning cannot get any hot water I have a... [Read more]

I have a Ideal Classic FF 360 and only the Pilot light works the boiler?

I have a Ideal Classic FF 360 Central Heating Boiler, when i put the heating on the Pilot light lights and I c... [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]

ravenheat csi 85?

hi I need help with my boiler. When i run the hot water the boiler lights normal but the high flame on the b... [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]