Mend Home Heating Systems

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We have 34 questions about mending 'showing manual going' in category Heating, Home Heating Systems which have been answered

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What does F43 error message mean on Glow Worm 24/30cx?

Boiler got serviced last November then last night it stopped working. At first it was showing F1 and F4. Then ... [Read more]

Vokera boiler on constantly. Room stat showing unknown code. ?

I am getting a code on the Vokera room stat HRT-177RS that is not mentioned in the manual. Code is A84. Result... [Read more]

I have an Ariston Genus boiler. Fault showing 30 40 50, I can't find manual?

Fault 30 40 50 indicated on front. I suspect fan fault but I can't find manual to check. Hot water ok but no ... [Read more]

no hot water/heating?

Vokera compact HE boiler. The system was in workable order last thursday, I was away for the weekend till Mo... [Read more]

Engineer manual for Vaillant VUW 242/1 E?

I am changing the hot water thermostat on a Vaillant TURBOmax VUW 242/1 E, 282/1 E Anyone done it or know w... [Read more]

ferroli he25s?

My boiler has shut down and is showing a flashing red code A 26.....what does this mean as this code is not in... [Read more]

F3 fault?

Help. My glowworm 30cxi is showing an f3 fault and I can't find any info on f3, it is not in the manual or o... [Read more]

condensate tube seems to be blocked?

I had two single radiators changed to double last week and the boiler keeps going off and showing L-F alternat... [Read more]

Central heating Potterton Promax Combi HE boiler has gone down - no heat at?

Hi, can you please advise how I can fix my central heating which has gone off and showing fault E119 low syste... [Read more]

worcester 37cdi?

the fault showing is not noted in the manual its like two number 1s with sticks in the middle ???

Error code 31 for Worcester-Bosch Greenstar 30cdi conventional boiler?

Hi hopefully someone out ther can help/advise. We have a new (just over a year old) boiler. I set the boile... [Read more]

how do i fill my boiler with water?

My valliant fan assisted condenser boiler is showing as 0.4 bar in the manual it says fill with water but i am... [Read more]

F8 and F12 ?

I have a Glow worm 30cxi which is showing F8 (which isn't in the manual) and F12. The fan is going but the te... [Read more]

Error F.28 on Vaillant?

No hot water from Vaillant TurboMax plus 837Eand Error code F.28 showing. I can get it going if I hold down t... [Read more]

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Vaillant ecotec 831 plus?

Fan tries to run every 15 seconds then stops immediately?

Vaillant F22 fault?

Remove boiler cover?

Siemens RDJ10RF thermostat problem?

Worcester Bosch 532/i Combi Boiler?

Boiler cycle?

Worcester boiler dripping water?

How do I work my Storad storage heater?

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