How to mend ... One Heating Hot Water

Shut down on heating and hot water?

Blue light indicator fast flash. Lockout reset button off. Instruction book says volatile lockout.

my rdh10rf siemans thermostat will not send signal to my boiler. ?

Both the wall unit and the wireless control panel are on and all the lights are on but it is not communicating... [Read more]

ikon t 23,1 boiler?

central heating working fine but no hot water at taps, (not igniting when demanding hot water)

How to fix my Potterton Promax Combi HE Plus boiler?

I have no heating or hot water, when I turn on the central heating or a hot water tap the boiler fires up then... [Read more]

micro switch on a potterton combi boiler?

hi can anyone tell me how do you know if the micro switch on my boiler is working? i am getting hot water but ... [Read more]

optima 901 C/H not igniting?

My optima central heating is not igniting, the hot water side of it works fine, when I turn the thermostat on ... [Read more]

glow worm 30 dxi?

The hot water is intermittent and the boiler is making a bagging noise when I open a hot tap. The heating seem... [Read more]

hot water good no heating?

remeha avanta my heating not working no error code displayed

worcester 2.8i junior?

hot water working ok but the heating side when called for cuts out straight away ?

The hot water is lighting but not the heating?

The boiler lights up for the hot water but not for the heating

Combi potter ton performa 24 not heating water ?

My boiler lights up when I put on the tap and can run for about 30 secs then goes out, heating is working fine... [Read more]

f7 error code-no heating/hot water?

Hope someone can help. My Worcester rd532i condensing boiler was working perfectly fine for year, then 1 day t... [Read more]

Glow worm Flexicom SX18?

The water pressure keeps dropping after the boiler is demanded ie hot water and central heating, but is stead... [Read more]

I have a Saunier Duval Isotwin condens F 35 E with hot water No heating?

the fault on the board says F 14 which is clear on the manual but I have no idea what F 24 means. My setting i... [Read more]

Some super 90 no hot water?

Had my some super boiler now 20 years I have central heating but no running hot water. I do have it serviced ... [Read more]

Glowworm combi ?

There is a constant drip from unit I can't find it hot water and heating are fine and it seems to be holding g... [Read more]

Hot water problem?

I have a potterton 30 he, the hot water dosent work unless I put the heating on. If the heating goes off then ... [Read more]

baxi boiler says dry fire?

boiler works but no heating or hot water. Baxi solo, Baxi man came, showed us how to do water pressure, but st... [Read more]

boiler Glow-worm30cxi 30cxi not working?

It had a red flashing light and f5 switched it off and back on now green flashing light 8.8 c bar no heating o... [Read more]

Worcester greenstar combi boiler not heating above 35C?

I have a new Worcester Bosch 30i combi boiler which was installed a couple of months ago, but I just can't see... [Read more]