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We have 439 questions about mending 'red hot water off' in category Heating, Home Heating Systems which have been answered

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how to fix vokera linear 24 boiler?

i keep getting red light flashing 03 , i know its something to do with getting air to ignite because when i tu... [Read more]
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how do u get the pressure up glow worm 30ci?

presssure is 0.6 got no hot water red light is flashing
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EcoTech 837 pressure goes into red when heating/hot water is used?

and pump is making a strange noise
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Heating /hot water system?

I ran of gas and combi 105 e boiler is now not working. Flashing red light, says flame failure. How do i relig... [Read more]
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sabre he29 condensing boiler?

Hello I was wondering if anyone can help me, I have Sabre HE29 Condesing boiler. The problem I have no hot wa... [Read more]
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Heating is working but not hot water?

got worcester junior 24i boiler. heating is working but not hot water, pressure was low, red light was flashin... [Read more]
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i have an F5 error on boiler glow worm how do i fix it?

My boiler turns on then shows f5 error and red flashing light on glowworm boiler. turned it off then on and st... [Read more]
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Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]
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Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]
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No hot water?

I have a PROTHERN 100EC Wall hung combination boiler When we turn on the hot water taps only cold water comes ... [Read more]
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vokera unica he ?

what does fault 34 mean? i have no hot water and a red light
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No Hot water or heating?

Hi I have an options volkera boiler the 2 lights at the front of the boiler are on all the time 1 yellow a... [Read more]
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my vokera boiler wont stay on!!!!?

when we turn on the hot water the green light comes on then after about 30-40 seconds just turns off and goes ... [Read more]
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worcester 28i junior combi boiler?

the red light is flashing and I have no hot water (or heating). I have pressed the button repeatedly but as... [Read more]
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Ravenheat Fan Combi Boiler CSI85 not firing?

Hi, I have had to replace the fan & housing as the old one kept grinding to a halt. When the hot water tap is ... [Read more]
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worcester greenstar cdi not giving hot water?

My hot warter has gone off. The unit is flashing alternately between "22" and "EA" with the reset button flash... [Read more]
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How to get my hot water to work!?

On the dial the pin was between 0 and 1 (in the red). I turned the pressure valve underneath but it has now go... [Read more]
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Volkera Excell 80E boiler - not working but no diagnostic lights?

My Vokera Excell 80E gas boiler is not igniting. The green light is on but when you turn on the hot water tap ... [Read more]
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vokera linea?

tempreture drops till a red light flashes error card 07 flashes no heating or hot water
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f9 flashing on combi boiler 30ci glowworm ?

the light flashes red intermittantly. the pressure is ok at 1.2 bar . we have CH . when the water is on it is ... [Read more]

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