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Mend Hour Heating Boiler

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We have 159 questions about mending 'hour heating boiler'

How to mend ... Hour Heating Boiler

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Mend Heating, Home Heating Systems

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]
Mend Heating, Home Heating Systems

vailant 824 combi?

i keep loosing pressure ,the filling loop is not passing as i have just checked. the higher the the heating te... [Read more]
Mend Heating, Home Heating Systems

low pressure. Worcester 350?

the pressure dropped to zero < no pressure> I have filled the boiler with water on several ocassions .The gaug... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosh 24SI II?

When boiler initially switched on it ignites and the heating and hot water works. After about 5 minutes (has ... [Read more]
Mend Heating, Home Heating Systems

Worcester combi greenstar intermittently not starting up/EA error code?

We have a 3yr old Worcester Greenstar combi boiler that is playing up. It has been intermittently not firing ... [Read more]
Mend Heating, Home Heating Systems

water boiling into expansion tank?

Hi, when the radiators have been heating up for about half an hour, we hear water boiling which then discharge... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]
Mend Heating, Home Heating Systems

worcester greenstar he boiler?

why, when I switch all the radiators, underfloor heating and hot water off at the control unit, does my boiler... [Read more]
Mend Heating, Home Heating Systems

my boiler is over heating even when its just the water that's on?

I busted my heating for an hour last night.. it worked ok then again later on but this time the boiler over he... [Read more]
Mend Heating, Home Heating Systems

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]
Mend Heating, Home Heating Systems

boiler pressure drops to nil after use!!!?

i can use the hot water all day long and pressure stays same... i put central heating on and it works perfect,... [Read more]
Mend Heating, Home Heating Systems

how do you fix sabre combi boiler?

Green light flashes every few seconds, thermister replaced,heating and hot water worked for about an hour,then... [Read more]
Mend Heating, Home Heating Systems

how do you fix sabre combi boiler?

Green light flashes every few seconds, thermister replaced,heating and hot water worked for about an hour,then... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Ravenheat CSI 85 AAA (T) 780 series?

can anyone help me please? my ravenheat CSI 85 AAA (T) boiler works absolutely fine in winter mode but when i ... [Read more]
Mend Heating, Home Heating Systems

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea 24 Combi Boiler - High pressure problem?

Hi, I have a problem where by the pressure on my boiler keeps hitting 3 bar & releasing all the water outsi... [Read more]
Mend Heating, Home Heating Systems

how can i fix my myson economist combi boiler?

i'm having problems with my myson economist wall mounted boiler. when set to auto,the central heating turns o... [Read more]
Mend Heating, Home Heating Systems

camary combi 5 boiler?

I put the heating on & with in an hour it goes off on lock out,it will restart when cooled down. Its ok with t... [Read more]
Mend Heating, Home Heating Systems

why is red light coming on?

Any ideas why my red light on my vokera 24 compact keeps coming on heating is only running for ten min when tu... [Read more]
Mend Heating, Home Heating Systems

Ariston boiler clock running slow?

The mechanical clock on my Ariston microgenius heating boiler is running slow. It losses an hour every day. Ho... [Read more]
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