How to mend ... Boiler Switching Water

Random hot water?

About 2 hours after the last cycle of the day my bolier comes on and heat the hot water. If I switch the boile... [Read more]

boiler is overriding controller. ?

switching hot water off on controller, but boiler does not respond and continues to heat water supply to radia... [Read more]

Potterton EP2001?

We have a Potterton EP2001 controller for our boiler. Since switching the heating back on we cannot control t... [Read more]

Baxi 105e hot water problem?

When the shower is turned on the boiler fires but does not modulate when the desired temp is reached resulting... [Read more]

my sime friendly format 100e keeps switching off when i run the water ?

my combi boiler keeps on running cold half way through shower and i have got to relight it and when the heatin... [Read more]

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]

My boiler gives me no heating / hot water, help!?

The green / red light has gone out on the front of this boiler (power is on). I have tried re-setting the b... [Read more]

TURBOMAX PLUS 824E?

My mum had this boiler fitted from warmfront and made a bodge job of it since they fitted it they can get hot ... [Read more]

what is wrong?

i have a johnson&starley boiler j 25-32 mk3 modairflow hot water not switching of automatically only manual... [Read more]

Heating does not come on again after running hot water tap?

BAXI 105e Instant. Can only get heating to come ON after switching OFF at mains switch for approx 10mins & swi... [Read more]

The heating on my Worcester 280 boiler has stopped working?

The hot water heating works on demand but the heating doesn't. The LCD display isn't working. This hasn't been... [Read more]

SD623 Thelia pulsates?

The boiler pulsates as though it is switching off and on repeatedly when hot water is used. The pressure in Ce... [Read more]

Ravenheat 820/20T sudden stop?

Today my girlfriend was in the shower,working as usual,heating OFF just shower running and she shouted that th... [Read more]

ferroli tempra18 , hot water switching to standby all the time?

when the boiler is on for water only , it switches of to standby all the time,leaving just the bar pressure li... [Read more]

Not switching back to Central heating when you use the hot water?

I have a Baxi combi instant 105e and if i use the hot water when the central heating is on it does not switch ... [Read more]

as soon as hot tap is turned on, the pressure drops to 0?

Vokera exell 80sp combi boiler.A new heat exchanger has been fitted as suggested by th manufacture which seems... [Read more]

Vokera Linea 726 Low hot water flow with 2 taps open?

I have a Vokera Linea 726 combination boiler which has worked okay for around 3 years. Recently I have found ... [Read more]

boiler problems?

just bought house with olympic boiler when switching on hot water and central heating the boiler runs for two ... [Read more]

Central heating combi boiler?

Hi, I have an old Myson Midas si combi boiler, it requires constant attention and still has a couple of faults... [Read more]

how do I get me boiler to work ?

hi I have a potterton prima 30f and it dosn't seem to be working. I don't know if it has a poliet light but it... [Read more]