How to mend ... Flow Boiler Heating

Why is my upstairs heating always on?

My boiler is a Glow Worm 24 hxi and I am afraid I don't know in great detail what my system is as I have very ... [Read more]

Procombi 85 HE hot water ok, but central heating not working?

The boiler is working when I run hot water, it fires up when the central heating is turned on, the pump get's ... [Read more]

how can i drain heating?

adding bathroom to house and 2 radiators how do i drain system boiler with unvented mega flow

potteron pipe connection diagramme?

hi i have a potterton floor standing boiler about 20 years old. i am upgrading to one of the new boilers what... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

vokera boiler problem?

compact 24 central heating pressure gauge rises when domestic hot tap open + water flow from overflow when i o... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

No hot water on boiler 24vci, have central heating no fault code is showing?

No fault code is flashing, I have heating but no hot water. We have replaced the diverter valve, the flow swi... [Read more]

how can i fix my baxi combi instant?

My combi instant boiler drops pressure after the central heating is switched off, there are no radiator lea... [Read more]

baxi 105he will not give hot water unless the heating is already on ?

the boiler will not fire up when the tap is turned on unless the boiler is already lit for the central heating... [Read more]

Ravenheat RSF820/20T fails to heat water?

Hi Folks, Our RSF820/20T has just about given up giving us hot water :( The closest we can get is luke warm... [Read more]

Whats wrong with my boiler?

I have just boiught my own home and need some advice about my boiler. (Apart from check the boiler works prior... [Read more]

I have a Halstead Ace high. ?

The DHW activation pin does not move enough to close the contacts on the DHW flow switch. If i operate the swi... [Read more]

how can i fix my vokera compact?

my vokera compact is losing pressure,it is dripping slightly from the overflow and trickles when the heating i... [Read more]

A01 error on boiler Ferrolli Optimax?

I have a new Ferrolli Optimax boiler. I keep getting A01 error code on my boiler and cuts out all heating and ... [Read more]

Problem with Vokera 80SP combi boiler?

My Vokera Excell 80SP has developed a fault in which I have no hot water or central heating. The pilot light i... [Read more]

why is over flow pipe outside pouring out.had new boiler last week and it h?

had a new boiler fitted last week and have noticed when i put heating on the overflow pipe outside pours with ... [Read more]

ravenheat combi boiler ?

I`ve carried out numerous repairs to my combi over 12 years , but struggling with this one ... C / Heating see... [Read more]

emergancy back up pump?

as i live in the midle of nowhere and the house is quite old we have a duel fuel heating system a solid fuel b... [Read more]

pcb board?

I replaced the PCB on my ariston Euro Combi boiler after going through the flow chart. It worked for two weeks... [Read more]