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    co recording

    hello, imjust wondering if you comeacross a boiler for a landlords check and cant do a co test ie boiler hasnt got test point, flue outlet not accessiable ie height or neigbouring property. i simply write unable to test co test recommend co alarm??? ta
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    pat testing

    hello, could someone clarify . is a full electrical test on rental properties a legal requirement before renting like gas and epc? what about pat testing? is that also compulsory? is there a demand for this? 3 jobs a week would do me to complement my gas and plumbing jobs .thanks
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    going it alone

    would like some views pls. moving to west midlands. thinking of setting up on my own . just doing landlord certs 60 quid a pop 4 a day. how possible is this?big area with plenty of business, landlords agents etc.
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    chimney sweep mode

    hi. if a boiler wont fire up for central heating demand but fires up chimney sweep mode doesnt that quickly tell you that its the external controls ie roomstat, timer thats the cause since the boiler firede up for chimney mode it must be ok. talking about worcester greenstars, valliants. thanks
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    scaled exhangers

    hi. is there anyway conclusively to tell that a scaled HE is the cause behind DHW poor temprature?? some one has mentioned getting a digital thermometer and doing a thermal survey on the exchanger? but surley a scaled/ defective thermistor would also be the cause of poor dhw temp.any ideas as...
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    gas drops

    hello. can anyone explain why a 4mb gas drop and even 8 mb gas drop on e6 meters are acceptable. surely an 8 mb drop with a cooker connected cant be good!!!!!is there anyone out there who has a zero drops policy?? thanks
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    gas valve modualation

    hi. ive re3cently passed my ccn cen1 so fairly new to the industry. just a question regarding modulation. have i got this right--- gas valve modualtes in this order of sequence ntc (working ok)transmits corrosponding voltages via pcb to gas galve to modulate to the required demand? if...
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