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We have 18 questions about mending 'boiler turning valves'

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How do I fix f22 error on my Vaillent Ecotec Plus boiler?

I've tried turning the valves located underneath the boiler, but I'm having no success. I can't hear anything,... [Read more]
Mend Heating, Home Heating Systems

my valiant boiler is saying f28 also its on 0 tryed turning valves but stil?

boiler is saying f28 also pressure is at 0 i have tryed turning valves but still nothing please help
Mend Heating, Home Heating Systems

Decrease pressure baxi combi boiler?

Hi I have a problem with a 3yr old Baxi combi Duo Tec 30 - no special filling loop - just valves. Pressure has... [Read more]
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potterton boiler short cycling ?

I have tried many things to stop my potterton prima f 100 boiler from cycling (starting up for 10sec then turn... [Read more]
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Radiators not all working all the time???

We have a problem with our heating, we think it started after we bled some radiators and took one off to wash ... [Read more]
Mend Heating, Home Heating Systems

promax plus pump runs contantly and fires when off?

promax plus HE , pump runs constantly even when time clock is off, tried turning off supply and back on again,... [Read more]
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vokera 20/80 problem?

Hi hope someone can help .My vokera 20/80 has started shutting down completely when the radiator thermastatic ... [Read more]
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bolier firing up when controls are off?

Help, my bolier keeps on turning on and off.I can hear the pump start up and then stop every 20minutes or so.W... [Read more]
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No Pressure on Vaillant Thermoblock hot water boiler. How do I fill?

I have a Vaillant Thermoblock turbotec II. It's the German version, and I don't speak German so I can't seem ... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax he 31 c?

hello, silly question - how on earth do i fill my boiler to increase pressure? i have tried turning the blu... [Read more]
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Cold radiator?

Have one cold radiator upstairs. Was fine until turned off last winter. Had British Gas engineer to do assessm... [Read more]
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How to manually increase pressure to my boiler after bleeding rads ?

I bled my radiheaters and must have messed it up. As there is no pressure hot water or heat. Have tried turnin... [Read more]
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What does F1o mean?? Please help???

My Vaillant Turbomax Plus 824E combi boiler is showing an "F10". I have no hot water or central heating. Turni... [Read more]
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Jaguar Boiler - F0 flashing after I bled the radiator. Loss of pressure!?

Hello all. My wife is currently not speaking to me, so I hope you can help. I have read through the answer... [Read more]
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Vaillant Turbomax Plus 824E fault F1?

Hi, My Vaillant Turbomax Plus 824E combi boiler is showing an "F 1" fault. I have no hot water or central he... [Read more]
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Help Topping Up Water Pressure on Vokera 20-80 RS Flowmatic!?

Hi there, I've been having a few problems with my boiler (Vokera 20-80 RS Flowmatic), as we are able to get... [Read more]
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Heating Fault - Pump continually runs (Maxol microturbo 402)?

I have a Maxol microturbo 402 domestic boiler that is used for the central heating and hot water in my home. T... [Read more]
Mend Heating, Home Heating Systems

how can i fix my jaguar boiler?

when tring to turn my central heating on nothing happened. I noticed that the pressure had droped to 0.2 and ... [Read more]

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