How to mend ... Boiler Working Hot

Why have the radiators downstairs stopped working and how can I fix them?

The radiators downstairs have stopped working. Upstairs still come on in line with my timer controller (Honeyw... [Read more]

Potterton Envoy 80 working erratically?

My boiler, a Potterton Envoy 80NG, would heat up but there was no certainty that it would remain hot. I fiddle... [Read more]

How can I fix a Potterton boiler with low pressure?

how do you adjust the pressure as its very low and in the red i.e. under half a bar. Boiler is lighting but ce... [Read more]

my linea vokera combi boiler is working the radiators but the hot water tap?

my linea vokera combi boiler is working the radiators but the hot water tap keeps going hot the cold help

My Vokera boiler switches on and off at code 7 Model Linea 726?

Both the heating and hot was switch on and off with a flashing code 7 On reset it will commence working but wi... [Read more]

How do I change a Diaphragm on a 20/80 flowmatic VOKERA combi boiler?

Central heating working ok.Hot water starts to heat up but then runs tepid.So how do I change the Diaphragm.

How can i fix sime friendly combi boiler?

i have a sime friendly combi boiler (sorry, dont know model number). the central heating is working fine, the ... [Read more]

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]

Hot water OK, central heating not, one radiator warm?

My system (Glow Worm Fuelsaver F boiler) is working fine for hot water, but the central heating won't come on.... [Read more]

how to fix vokera excell 80 sp?

my vokera excell 80 sp combi boiler causes the water to run hot then cold in roughly minute intervals. the cen... [Read more]

POTTERTON NETAHEAT 10-16 BOILER - no hot water?

Hi I have the above boiler & all is working well apart from no hot water , ch is working fine - plumber ca... [Read more]

How can i change the valve in my Vokera Excell 80SP combi-boiler?

I have a Vokera Excell 80SP combi-boiler in my house. We have it serviced every 6months and about the time we ... [Read more]

DHW problem Vaillant Turbomax Plus 828E?

If I open the cold water supply valve to the boiler fully, when drawing hot water the temp. rises to approx 83... [Read more]

Ariston genus combi boiler?

My ariston boiler does not supply on demand domestic hot water, had it working a few times but then fails,the ... [Read more]

upstairs rads getting hot when boiler set for water heating/pot kingfisher?

having recently added a new rad every thing seamed to be working fine. now when the boiler is set to water hea... [Read more]

Baxi Bahama 100 CH not working?

We have so far spent nearly £1000 over the last 2 years on our Baxi Bahama 100 boiler, the latest problem is ... [Read more]

combination boiler not sending hot water to taps?

the hot water is not activated when hot tap is opened on my sime friendly 80E combinatin boiler. The hot water... [Read more]

sime friendly format 80E red light is on no hot water?

the combi boiler was working perfect some body came to check for a electric leakage in an other part of the ho... [Read more]

no hot water but radiators hot?

My radiators are hot on commissioning but hot water is not working . When the hot water tap is turned on, the ... [Read more]

Ferroli Optima 901 Boiler?

Ferroli Combi Boiler Optima 901? Niggling fault which seems to be getting worse. If the boiler is not used... [Read more]