my combi boiler runs fine on c/heating but no hot water turn on tap but demand light does not operate also can anyone tell me where i can download a service manual from???
kevplumb thanks for the site could not find it using msn search got contact no they are sending me a manual in post dgs no flow rate is normal it just stopped heating water during a shower
On the 240 its usually just the diagphram in the diverter valve,the small black plunger should come out and contact the two micro switches when you open a hot tap ,you can unclip the micro swwitch box and depress the micro switches manually to tast that they work ( carfull as one is 24v but the other is 230v and both must be pressed at the same time). a kit is available to change the diagphram at about £20 and its not a dificult job
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