How to mend ... Keeps Out Flow

Ravenheat CSI 85 DHW?

I'm having problems with the DHW supply from this boiler. Water doesn't reach more than luke warm temperature.... [Read more]

Oil tank ran dry - refill but now no flow?

Oil ran out- Boulter Camray 5 boiler - refill today but boiler not firing. Tried to get oil flowing by disconn... [Read more]

potterton profile over heat?

heats up then over heats shuts off but the return pipe is hot and the flow isnt. Could this be reverse circula... [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]

Hot water fault on Vokera compact 28?

Hot water intermittant and has flow slowed to a narrow stream which stops after 10 to 15 minutes Cold water p... [Read more]

my feroli modena 102 runs scalding hot water even though all thernostats c ?

my 8 year old modena 102 runs scading hot water even after all thermostats, boards and gas flow valve have see... [Read more]

glow morm 18hxi not bleeding?

Hi. fitted new zone valve to systme,lost a bit of water but not much.pressurised to one bar .tuned on all ok t... [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]

Water temperature has dropped on my system?

I have a worcester junior i24 gas boiler and recently the water out of the taps has got cooler. We have to re... [Read more]

Worcester 28i RSF Combi?

Got same problem can hear the system go on and can hear flow and a humming noise coming from the boiler but no... [Read more]

whats wrong with my boiler ?

i have a glow-worm ci combi boiler when i turn on the hot tap the boiler fires up ,plenty of cold water comes ... [Read more]

boiler over heating?

boiler comes on when the boiler is hot water only, it then overheats and knocks off heating flow gets very ho... [Read more]

No hot water [Valliant boiler, Turbomax VUW 242]?

Just recently my boiler won't heat the water in the bathroom taps or shower, the boiler fires up but the water... [Read more]

no hot water on worcester 24i rsf boiler?

anybody? just descaled my heat exchanger on worcester24i rsf combi boiler flow rate now is 8 ltrs /min... [Read more]

test ing water flow?

how wud i test the hot water flow

oil heating freezing up ?

how low a temperature must it get before central heating oil ceases to flow and how to prevent this by laggin... [Read more]

need help with my powermax boiler?

i have a powermax 155 boiler. ive just replaced the flow relay switch as this was leaking. ive put the new one... [Read more]

hot water problem?

i have an alpha cd32c combi boiler(4 years old) and when i turn the hot tap on the hot water flows but then it... [Read more]

what is causing the problem?

I have a worcester bosch 532i combi boiler, when you run hot water for a while (eg shower) the flow temp cont... [Read more]

I have a Ferroli DOMIcompact F 30 B combi boiler no hotwater?

There's no hot water flow at all. Heating is working ok. Is there air in the system? Can anybody tell me pleas... [Read more]