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    Removing cement from a block paved drive

    Try the pressure washer with the jet set on pin point it should lift it.
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    2 gloworm boilers in parallel both producing fault codes f25

    Hi Argile spoke to the plumber today the system has been designed for a 50kw load all calcs were done correctly. The original design included a large extension that the owner had planning permision for but he has postponed the new build for the moment. The pump is not running flat out which...
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    2 gloworm boilers in parallel both producing fault codes f25

    We have had the gloworm engineers out to have a look and he said its a bit bigger system than he is used to ,but he was satisfied both boilers were functioning correctly.
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    2 gloworm boilers in parallel both producing fault codes f25

    Will post photos as soon as i can can i just point out i am the electrician who helped the plumber install the system we have 6 similar systems that have never been a problem with. we havn`t installed any check valves in the pipe work but neither have we an any of the other systems either...
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    2 gloworm boilers in parallel both producing fault codes f25

    Owner of the house says the boilers are faulting even when they are not operating and are using the imersion heater. I have replaced the flow sensor on 1 of the boilers to see what happened but made no difference.
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    2 gloworm boilers in parallel both producing fault codes f25

    Hi have installed 2 gloworm ultracom 30hxis piped in parallel unvented system in 38mm pipe reducing to 22mm under floorboards, have fitted a grundfoss alpha 2 pump,The boilers are wired through a warmworld boiler sequencer.This serves a large detached house with 3 floors and...
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