How to mend ... Ch Will Not Turn Off Only

Why is the LCD screen on my Optima 701 blank? (And how do I fix it?)?

Since I moved into this flat, the screen on the CH boiler has been blank, like there's no power getting to it.... [Read more]

Boiler cuts out when CH set to on?

I have a potterton system with a 2002 timing controler and a PT2 remote electronic thermostat. If the system i... [Read more]

can anybody help turn on my heating?

my boilers turned on but the programmer just has dashes on it tried everything to get it on, including leaving... [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 LS100?

When I turn a hot tap on the boiler starts up runs for approx 10 seconds then switches off then fires back up ... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

CH is ON in the off position and will not turn off?

I have a Halstead Finest Combi boiler, which the CH automatically came on at night and unable to switch it off... [Read more]

Ravenheat CSI 85A fires up then goes out on CH?

Help, I have a CSI 85A which when you call for central heating fires up for around 6 seconds then goes out the... [Read more]

no hot water from shower?

i have a mira shower (mains) and i have no hot water the ch system works as do my hot taps when i turn on the ... [Read more]

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]

Problem with my potterton 2000 programmer?

The HW constant switch will turn the boiler on but I have no central heating as the CH constant switch has no ... [Read more]

brittany combi se 80 hot water fault?

guys, i have the above boiler, and before xmas had a problem where i had no hot water, i called an engineer w... [Read more]

ferroli bioler banging?

I have a ferroli DOMIcompact24 b boiler. When the boiler is not on, the pressure dial is about 1 bar. But ... [Read more]

baxi 105e safety thermostat fault light?

my baxi 105e combi boiler is desplaying the safety thermostat fault light. when there is HW or CH demand the... [Read more]

ravenheat csi 85 problem?

hello, my ravenheat csi 85 has just developed a little issue . What happens is when the ch is off i turn on ... [Read more]

Vaillant Turbomax 828 problem?

This is a strage one! I am not sure whether my diverter valve is on the way out or whether something else is c... [Read more]

Isar HE30 problems?

We have the Ideal DH30 Isar combi heater. I am having a problem with it recognising the thermostat for the c... [Read more]

potterton system boiler?

I replaced the 3 port valve completely (valve and motor) However, I forgot to turn on the CH flow to the coil... [Read more]

Baxi combi instant 80he DHW probs?

HI., Our system been working fine. CH fine but when you turn the shower on it comes out cold. If you go into a... [Read more]

what is wrong c/h fine hot water not working properly?

potterton performa 24 eco boiler loss of pressure ch works fine h/w is very little then just luke warm soon ... [Read more]