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    Attached garage - earthing

    What are the requirements regarding earthing for a garage attached to the house on TT system. There is also a water supply tap in the garage. Earth rod fitted in the house, is an extra earth rod required in the garage. Thanks.
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    Boiler Controls for New build

    Hi, I am looking for advice for choosing controls for a new central heating system to be fitted. The specification states: A rated Combi with weather compensator. 2 separate heating zones with individual temperature and time control. Thermostats to have delayed start...
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    Combi Boiler with Inbuilt Weather Compensation

    Hi, Embarking on a new build and must install boiler with weather compensator. I currently have a Baxi Duo Tec 40 which has been a very reliable boiler and would be happy to install another in the new property. Does this boiler have the circuitry built in for weather compensation. What...
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    Flue Length - Bracket

    I have a combi installed 3 yrs ago in a rental property by qualified Gas Engineer CP12 issued. The following two CP12s completed by a different engineer. Another engineer has just completed a CP12, everything ok apart from stating the flue (vertical longer than 2m unsupported). He has...
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    Gas Supply to Meter Lead Pipe

    Hi What are the regs around the supply pipe to a Gas meter in Lead. Is it within regs do I need to do anything about it, who is responsible for it. The meter is within the house and all the pipe after the meter is in copper. The house is tenanted and has had CP12s' carried out for the last...
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    Can you recommend Vokera Engineer

    Fault on a Vokera 20/80 RS FLowmatic. Can you recommend an engineer in the DH4 area. Thanks
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    Changing 3 Way valve Combi

    Can a plumber replace a 3 way valve on a combi or must I use a Corgi Registered engineer. Regards,
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    Problems after descale CH

    Hi, I have a open vented CH with a Potterton Wall Hung Boiler. System is 18 Years old and has worked fine with several 3 way valves and one pump over the years. The sysem was working fine all rads hot, but the boiler began kettling so I added a kilrock central heating cleanser. Every thing...
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    Expansion Vessel - Testing Pressure

    Can a plumber who is not corgi qualified test the pressure in the expansion vessel of a combi and if necessary re-pressurize. Thanks,
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    Mclaren 240V Gas Valve - Glowworm Super

    Hi, Anyone out there with the 240V Mclaren Gas Valve off a Glowworm Super boiler, or know where I can get hold of one. Regards,
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    Vokera 80 Main Burner Goes out

    Hi, I have a problem with the main burner going out on a Vokera 80. It cycles off then back on. It appears to only happen when there are high winds outside. Regards,
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    No RCD/Isolator to main consumer unit

    Hi, I have just discovered that there is no isolator to the main consumer unit (i.e. next to their meter). The consumer unit has an isolator but no RCD. The house is 19 years old and the builder went bust when the property was handed over. I know it is my responsibility for the...
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    Carbon Monoxide Detectors

    Hi, Can you tell me what the current position with regards to carbon monoxide detectors in rented property. 1) Is it mandatory that detectors are fitted. 2) If it is mandatory do they have to be installed in the same room as the gas appliance. Thanks, Tony.
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    CO and Undiluted CO emissions

    Hi, Just had my boiler serviced, its a baxi back boiler 4 years old. The engineer has analysed the emissions and given me a piece of paper with the CO at 90ppm and the Undiluted CO at 300 ppm and ringed these items. He tells me I need a new boiler. Is this correct. How easy is it to...
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