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    16th vs 17th Edition tester

    I have recently purchased the Megger MFT1552 16th Edition tester. Will this be OK for the 17th Edition requirements? Does anyone know what the changes are? I would hate to think that spending £600 on the tester was not worth it...... I dont want to buy another tester next year......so...
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    No Hot water and Downstairs radiators not heating

    I have a pumped system with two 2-port motorised valves. The copper tank was not heating up the cold water so the copper tank/hot motorised valve was changed since this seemed suspect. To change the motorised valve I drained the central heating system but now I can't get the downstairs...
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    Buying a new tester

    Hi, I am thinking of buying the Kewtech 9073 all in one tester. Any opinions? Experiences?
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    bulbs randomly blow

    Fitted low voltage lights - 6x50watts lights operated by one switch. Each fitting has its own transformer. After a few weeks random bulbs "blow". One or out of the six fitted. Has anyone experienced this problem? Dodgy transformer or rubbish bulbs?
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    Fitted Electric Shower - now lights dimming

    An Electric Shower has been fitted - 10.5kW, 10.0mm2 cable, 40A MCB, RCD protected. When the Electric Shower is switched ON the lights dim. The voltage when the shower is OFF measures 235V. When the shower is turned ON the voltage drops down to 222V. Obviously, more than 4% drop so does not...
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