How to mend ... Boiler Will Not Heat Water

We have a worcester bosch 240 boiler, yet we cant use "On Demand"?

We have a worcester bosch 240 boiler, yet the "On Demand" switch doesnt work when it is on. If we turn on the ... [Read more]

do i need another diverter valve for my alpha 280e combi boiler?

My alpha 280e combi boiler has a problem with the hot water temperature, it fires up ok starts to heat the wat... [Read more]

Vaillant Turbomax plus combi - CH runs when hot tap turned on?

I have a Vaillant Turbomax plus combi boiler - either the 824E or 828E, I cannot currently see which. I hav... [Read more]

How do I increase water pressure on my Valliant combi bolier?

I have removed two radiators, replaced them both, but the heat is staying in the lower part of the radiators. ... [Read more]

Baxi 105e c/htg cuts out of its own accord?

No problem on hot water. C/htg does not cut in if temp lights display a high temp. To get the boiler running... [Read more]

vaillant 242 eh combi/boiler leaking at the b t m.john?

please can anyone help me the heating engineer told me that my d. h. w.heat exchanger was leaking water also m... [Read more]

A chilling problem, ARISTON A/23 MFFI COMBI?

Whilst running any hot tap,shower etc, the boiler will only run for about one minute then go off with cold wat... [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.

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]

How can I fix my potterton netaheat electronic 10/16?

When I turn my heating on the Gas boiler fires up and I can hear the pump turn on but none of the radiators he... [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 can I fix my BAXI SOLO 240 PF boiler?

The central heating comes on okay, and switches off by thermostat. But when I switch the hot water on the wate... [Read more]

no hot water from my ariston euro combi boiler?

have heat but no hot water but the taps run with cold water

How can I fix my Potterton Puma 100e boiler?

The low water pressure light has stayed on after re-charging the C/H system even though the pressure gauge sho... [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]

Vaillant Turbomax 828 hotwater temp varying?

When using the hot water the boiler heats the water fine, but after 30 seconds the gas goes out, the water coo... [Read more]

Sime friendly format 80E?

Myboiler when in central heating mode will heat the radiators until the set temp is reached then trip out as i... [Read more]

5 l/min out of 24i worcester combi?

only getting 5 l/min out of boiler,cold water to basin is 15 l/min but hot is 5 l/min inlet filter clean,coul... [Read more]

How can I get my Potterton Profile 80e to ignite?

The query relates to our Potterton Profile 80e boiler. We replaced the circuit board earlier this year as we h... [Read more]

vokera 80sp - when hot tap is turned on radiators heat up instead?

i have a vokera 80sp combi boiler , when i turn the hot tap on the radiators heat up instead of the hot water.... [Read more]