How to mend ... Boiler Hot Cold

how do i get my glowworm boiler to work or find out whats wrong?

my glowworm betacom 24c was working fine i went to sleep and in the morning the heat wont start properly. I'v... [Read more]

red light compact 100e?

boiler fires up sometimes from cold if not red light shows it also does it when hot and it is only the heating... [Read more]

Suddenly my shower is hot and cold?

In the last few days my shower has started going up and down in temperature. I first noticed it struggled to ... [Read more]

old oil fired boiler?

i have an old oil fired boiler the temp. on the boiler is hot but the water temp is cold this has just happene... [Read more]

How can i fix glow worm 30 cxi combi boiler ?

Can you please advise me. I have f5 in red flashing on boiler. heating was fine earlier, then turned on hot wa... [Read more]

British Gas 532/i - Fault EA?

We have a British Gas 532/i combi boiler which keeps cutting out and displaying fault code EA. This happens wh... [Read more]

Vokera Linea Max - hot cycling after re pressurising expansion vessel?

I have re pressurised the expansion vessel to 12psi having isolated and drained the boiler. The vessel now hol... [Read more]

Potterton profile 100E?

Hi, My gas has been turned off for the summer, now it is cold I need the heating and hot water back on. I've t... [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]

worcester bosch boiler - pressure problems?

COLD- pressure is less than 1. demanding hot water trips the boiler. I turn the central heating on and the... [Read more]

Worcester 350 hot water problems?

At low flow rates water temperature okay, increasing flow rate temperature luke warm. What controls the modula... [Read more]

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [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]

Fault with Boiler?

I currently have the above domestic boiler, which is approximately 4 years old. Recently I have been having pr... [Read more]

I have a Ferroli F30 combi boiler?

The DHW doesn't run hot all the time (running cold after a couple of minutes) also the boiler bar pressure kee... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]

saunier duval F30E therma condens boiler. hot water not working ?

I have a f30e therma condens boiler, in the summer i had hot water great but i turned on the heating the other... [Read more]

HW issues w. Vaillant boiler?

My Vaillant turbo Plus 824E is playing up for the last few months. One morning there will be no HW, the next m... [Read more]

Worcester 28 CDI with DHW fault?

When I turn on my hot water tap, the combi boiler fires up its usual way and supplies hot water but after 1 mi... [Read more]