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    Intermittent hot water from Modena 80 combi!

    when you run the hw tap does the led under the tap light up? (on the boiler facia)this shows that your flow switch has been activated. i would check/replace the venturi as these are plastic and very brittle but you will need to get the gas installer back to check it out for you
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    worcester combi 24cdi

    i used to hate working on worcester cdi,s but theyre easy to fault find on i dont think i have ever changed a div valve without cutting my hands to bits .i can fit them in under an hour now but my first one took me about half a shift and i was tearing my hair out.the fascia panel always breaks...
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    What shower works best with low hot water pressure Combi?

    it sounds like you have a blocked filter in your boiler .im sure a ferroli modena should produce 8 or 9 litres per minute
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    worcester 24cdi problem

    you need to turn off the power to the boiler and turn off the main also then get back to us
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    Existing flue question

    i would replace the boiler if i were you a high efficiency boiler should save you a few quid on your gas bills anyway
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    help with changing a landis & gyr to horstmann drt2 ther

    i would guess the wires as red live. blue neutral and yell as common . check on the back of the thermostat there should be a wiring diagram
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    central heating system query

    are there any motorised valves at the cylinder. i would guess this to be the problem .if it is a system boiler if its a combi it could be anything from a diverter valve,flow switch depending on the boiler make there isnt enough info to help you though sorry mate!
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    vokera compact 24se

    hi there i replaced the gas valve as it was faulty but when i was setting the pressures the max press was 14mb and i couldnt adjust it even though i used the correct method .i adjusted the min press as normal but the max press just wouldnt adjust any thoughts ps i am gas safe registered
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    Draining the highest radiator on a sealed combi baxi 80

    i would drain the radiators on the level of the house you will be working on .open the drain valve if accessible and open the rad bleed points of the rads you will be working on . you will need to alter the pipework to suit .you may be better moving the t pieces so that your pipes come...
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