How to mend ... Boiler Bar Cold

Expansion vessel recharge?

I've noticed recently the pressure on my 1.5 year old Worcester combi boiler has been going through the roof w... [Read more]

CH system loosing pressure: pipework fix?

Our CH combi system has been loosing pressure but there are no signs of leakage anywhere. Cold-fill pressur... [Read more]

boiler keeps cutting out because of low presure?

threw the day my glow worm 30ci runs fine right up till it turns off at bed time.but threw the night the bar p... [Read more]

Baxi 80e combi loses pressure?

My baxi combi 80e loses pressure from the pressure release valve when the central heating is on. when cold th... [Read more]

Sometimes we have hot water, sometimes we don't! ferroli 80e boiler?

Help! Our boiler sits at about 2 bar of pressure. We have had problems with hot water going cold occassionaly,... [Read more]

pilot light?

I have a worcester 24i. its about 6years old. the presure went, so I opened up the 2 valves to get back up t... [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]

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 I top up my boiler with water?

the display in bar for the cold water supply is showing that the boiler needs topping up, the white handle sho... [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]

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]

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]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]

My ariston euro combi boiler ignition flame won't stay alight??

Have an Ariston Euro Combi Boiler, it has just lost its pilot light, i have pressed the ignition several times... [Read more]

How can i change the valve in my Vokera Excell 80SP combi-boiler?

I have a Vokera Excell 80SP combi-boiler in my house. We have it serviced every 6months and about the time we ... [Read more]

High pressure in Ariston microcombi boiler?

My Ariston Micro Combi 23mffi keeps rising up to 2.7 bar. I have drained the system to let it fall back to 1.7... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

Vaillant Vuw242/282 Pressure drops to 0 when cold ?

Hi , I have a vaillant boiler, the pressure drops to zero when the system is cold. As far as im aware the pr... [Read more]