How to mend ... Pressure Boiler Cold

iv got a problem with my alpha combi boiler?

the pressure kept going up on my alpha combi boiler, the plumber said it was due to a leaky valve on the filli... [Read more]

my Vaillant thermocompact combi will not light. fault no f.28?

I switched off boiler to flush out a cold radiator. Refilled system till pressure was ok,bled the system ok,sw... [Read more]

potterton profile 80e?

From cold, The fan is running ok , the pressure switch is ok ( new ) all pipes to air pressure switch are cl... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

All Radiators are cold?

Some of the upstairs radiators in my house were always cold so I bled them. This fixed the problem for that da... [Read more]

radiator has stoped. working?

My heating system is powered by a worcester 28i combie boiler. One of the radiators has stoped working.Pressu... [Read more]

baxi bahama 100 combi knackered again-advice requested?

After several flow switches and a new PCB over the years my Baxi boiler has developed another fault. I am assu... [Read more]

Worcester Bosch Combi 350 Boiler keeps cutting out?

Hi there, We have the above named boiler and have had 2 WB technicians in this week to look at it and neith... [Read more]

Problems getting hot water from combi boiler?

Help!!!! I have been having problems with my Vokera excell 80sp combi boiler, and have had an engineer out.... [Read more]

how do I repressure my bolier?

We have moved into a house with a enviroplus F28e condensing combination boiler. The pressure is only 0.7 and... [Read more]

boiler cutting out, hot water goes cold?

I have an Alpha Ocean 240 eco boiler and it keeps cutting out. The hot water heats up but then goes cold. It e... [Read more]

COMBI BOILER PRESSURE - WORCESTER 240?

The pressure on the boiler has dropped below 1; the guide says it needs manually topped up. THere are a numbe... [Read more]

baxi solo boiler keeps building pressure and puts water outside?

My baxi solo wall mounted boiler is fitted with an expansion tank(red shaped tank with valve). Recently the ov... [Read more]

Ariston 27 RFFI boiler - pressure drop?

I need to fill up the boiler every 2 days when it drops from 1.5 bar to zero. The pressure relieve valve has b... [Read more]

How do you test a circulation pump on a Raven Heat Combi boiler?

Ive got a Ravenheat Combi Boiler (one without a pilot light window). A fw weeks ago it just stopped working. W... [Read more]

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]

My Alpha combi boiler has very low water pressure at the DHW hot tap?

My Alpha Ocean 280p Combi Boiler has a very low DHW pressure and flow. I have checked the cold water inlet fil... [Read more]

Valiant combi pressure drop when cold?

is it normal for a combi boiler to lose slight pressure over the summer when the system is off. I have had lea... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]