How to mend ... Put Water Heating

Why does the central heating come on when I select hot water only function ?

When I put on the hot water only it kick starts the central heating as well, I have a powermax 155 boiler

No hot water on my Baxi Combi instant HE?

I cannot get any hot water on my Baxi 80, but the central heating mode works. I can get warm water if I put th... [Read more]

saunierduval f23e boiler pressure needle rises to red marking 4bars?

I have a f23e sanier duval boiler.The pressure gauge rises to 4 when we put the heating on and then water star... [Read more]

Polti Vaporetto 2400 Leaking?

The above appliance, when heating up, starts to leak from the bottom - when cold water is put in initially thi... [Read more]

worcester bosch 35 cdi ii :only get hot water when heating is on????

Hi I have a worcester bosch 35cdi ii boiler and when I put the hot water tap on its cold and the red light doe... [Read more]

Whats wrong with my economy 7 water heating?

Hi, I have recently bought a flat and it has economy 7 water and also storage heaters. I have managed to te... [Read more]

How can I fix my boiler? Water and heating doesn't always come on ?

My halstead quattro gold combi boiler sometimes works and sometimes won't come on for long periods. When ever... [Read more]

What do I do when my Glowworm Compact 100E pressure is high?

What do I do when my Glowworm Compact 100E pressure is high - red light comes on when I put heating on or when... [Read more]

Heating or hot water not working!?

Hi, I have a Worcester 24i RSF boiler, it was working fine yesterday. Turned on the water to have a shower thi... [Read more]

ferroli optimax 25c?

no hot water turn on tap 3 way valve gos to heating and pump stops boiler gos off 03 fault .put 3 way valve to... [Read more]

How can I solve the problem with my Ace high Halstead Boiler?

My Ace High Boiler the green light comes on when I have it set to hot water I run the tap the Boiler fires up ... [Read more]

How can i fix my ariston micro genus 23?

Hi,My pressure reading when off is almost zero(first line in red)boiler will turn on and run fine but then the... [Read more]

worcester bosch 240 combi?

I am not getting any hot water from my boiler when i put the on demand switch on. If i put the Heating and wat... [Read more]

My usually steady red light on front is flashing?

My usually steady red light on front is flashing, I have no hot water and heating didn't come on when timed or... [Read more]

problem with ravenheat rsf 820/20?

just replaced divertor valve, tested water and heating and was working fine, just put all the covers back on, ... [Read more]

alpha 280e ocean boiler problem?

i am losing hot water as i run the tap. the central heating is fine but when i put on the hot water it runs ho... [Read more]

what sort of oil should i use ?

ive purchased a bathroom radiator that will run off gas central heating or an electric heating element ive ins... [Read more]

water driping out of blow off?

are boiler is the ace high version it is holding pressure when it is not in operation. But when we put the hea... [Read more]

how can i fix my warmflow combi 90 HE?

The boiler is overheating in hot water mode it measures 72'c in the heat pocket but at the top of the boiler i... [Read more]

glow worm boiler no hot water?

i replaced a flandge and had to release water from the emersion heater.put it back together turned the water b... [Read more]