How to mend ... Water Pressure Heating

i have saunier duval thelia 623 which won't fire the heating any ideas?

The system had to be recently drained to fit a new radiator. It was then refilled (to correct pressure) and wo... [Read more]

Heat line c24/c28 condensing wall mounted combi boiler?

Heating is working, hot water is not there is plenty of pressure when hot water is called for ALL red led's li... [Read more]

pressure keeps dropping on combi boiler?

my parents recently had a vaillant combi boiler fitted in their loft (as advised by plumber)but the pressue ga... [Read more]

optima 701 pressure rises when heatings on drops when off?

optima 701 was in when we moved in,we have had a few problems in the past with pressure releif valve needing c... [Read more]

how do i increase the pressure in my boiler?

Hi, I have a worcester CDi boiler, about 9 years old. I recently had some building work done where they had to... [Read more]

What is wrong with my worcester 28CDi boiler?

I have a (very old) Worcester 28CDi boiler, which until this morning was running perfectly! However, tonight ... [Read more]

Saunier Duval Thelia 623 has hot water but no heating help?

For the last 4 weeks i have had the boiler on Summer mode ie just used fof hot water which is ok , but when i ... [Read more]

how can i get my vcw GB 242 E H to fire up?

boiler is used for central heating only no hot water connected, boiler runs, fan runs pump runs but no sparki... [Read more]

How can I fix my RSF820/80 - i'm not getting any hot water?

Ravenheat RSF 820/20 Combi. Working great for central heating, but although pressure is up, I am not getting a... [Read more]

SD623 Pressure rising on heating?

Boiler fire,s up fine for hot water and heating . But when heating is left on the presure rise to 3 bar, when ... [Read more]

vokera wont ignite?

my vokera compact he will not ignite the fan is woking the pressure is 1-5 bar gas ok , no clicking sound can... [Read more]

problem with OCEAN style ff combi boiler?

1 water isn't hot enough unless we put the central heating on as well - then it is too hot 2 there has to be... [Read more]

Triton T80I - Hot water?

My T80i has recently developed a problem, The water does not seem to be heating properly. The water pressure i... [Read more]

ariston boiler - dangerous? Turn off heating?

My Ariston boiler heats water on demand and central heating. The boiler keeps coming on and heating up the ra... [Read more]

NO HOT WATERFILLING LOOP ON SAUNIER DUVAL SD 623?

SAUNIER DUVAL SD 623 COMBI BOILER PRESSURE AT ZERO BAR HEATING OK BUT NO HOT WATER. FILLING LOOP PESSURE LOOP... [Read more]

no heating or hot water?

my thema classic has no hot water or heating, it is at correct pressure and the fan kicks in when tap is opene... [Read more]

no water pressure on vaillant hot water unit?

have had to remove central heating units to lay new floor .When put back there was no water pressure shown on ... [Read more]

worcester boiler?

i have no pressure on my bar gauge ive been told it should be on two bar which is in the green but it has drop... [Read more]

Megaflo with small extra kettle - pressure loss. Why?

I have a megaflo hot water and heating system in the house and where the tank is, there is a small red tank, a... [Read more]

how can i fix a vokera boiler?

how do I fix a pressure problem on a Vokera Compact 24 Boiler? The pressure goes to 3 bar in the red & when I ... [Read more]