How to mend ... Water Not Radiators

My radiators will not go off?

My potterton kingfisher mf100 will not turn off, even though the programmer is in the off position for both wa... [Read more]

Baxi 105e?

I have a Baxi 105e boiler, it has started to heat the radiators when the hot water tap is run. I've replaced t... [Read more]

how to reduce boiler pressure ?

i have set the bar pressure on my greenstar 37 cdi to high. how do I reduce it to proper level. Do I use the k... [Read more]

hrm wallstar?

do I need to pressure water up after bleeding radiators on system.

why is my combi boiler not staying fired for central heating. water fine?

my Glow worm combi has been having odd days when the central heating isn't working but then has been ok again ... [Read more]

Faulty Worscester 35 CDi loosing pressure?

My Worcester 35cdi has had 4 replacement heat exchanger's in less than 10 years the first 2 were within the fi... [Read more]

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

home heating systems?

I have an 12 yr old Highflow Electronic system, which is working perfectly for hot water. However the heating ... [Read more]

vokera boiler no heat but 2nd pipe from the left is red hot?

my vokera boiler has hot water but no heat the 2nd pipe from the left gets really hot on start up but the boil... [Read more]

What can I do about a Glow-worm Flexicom 30cx fault code F11?

I had a new boiler fitted in April this year. Last eve it stopped working, showing f 11. We have not been us... [Read more]

my boiler heats water but does not fire up for the heating side ?

gas fires up then goes out wont stay on to heat the radiators any ideas lease

Thermostat issues- Siemens RDH10RF?

I've changed the batteries in the thermostat and the radiators have all gone off! Hot water still working. Ha... [Read more]

Several radiators don't get hot, why?

I have a radiator in the kitchen which does not ever get hot. Two other radiators in the kitchen do. I have bl... [Read more]

Radiator only getting hot on bottom half?

I have a Ideal HE24 boiler that works ok but we have a 6 foot high towel rail in an upstairs bathroom that onl... [Read more]

Ideal boiler HE35 boiler working but screen does not show any info?

Boiler is working. Water and radiators very hot but the screen is blank

How do I stop water from flowing outside from my ferroli optima 901 boiler?

Pressure bar is constantly at 3. If I drain radiators, pressure reduces but then creeps back up again. I have ... [Read more]

Ideal Classic no heating but have hot water?

HI all, i have just found this fabulous site, I wonder if anyone could help as right now things are just miser... [Read more]

Vaillant ecotec 937?

Firstly thanks to ltd for response reference no hot water. I have no hot water from my Vaillant ecotec 937 - ... [Read more]

I have no hot water from Vaillant eco tec 937?

I have no hot water from Vaillant eco tec 937- only cold water flows through the hot taps - diverter valve rep... [Read more]

How can I get hot water from boiler. Heating is OK?

I have a Marathon 500B boiler.There is no hot water going to the hot water cylinder regardless of whether the ... [Read more]