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Hi All! I've got my ACS Bank Holiday Week; Could you guys tell me what kind of faults you found on elements such as CCN1/CEN1? Flue Faults, Control Faults etc Any Help at all would be much appreciated! Regards

Hi Although I'm a gasman, I have basic electrical knowledge; There's a fusebox under the passenger seat, would it probably be one of them? or the 1 in the engine? Also, would measuring resistance across them using a multimeter therefore suggest blown fuse? Thanks

I rang vaillant tech helpdesk, and waited 20 minutes to speak to someone. When I finally got through, he seemed very Condescending; When testing me to link a wire on the PCB, he said to me: "Don't forget to turn the power off, and link it, otherwise you might electrocute yourself and get very...

Hi I've a Combo Van fitted with reversing sensors; However they're not working; Any Ideas?? They usually "Bleep" as soon as the vans put into reverse gear, but not anymore! Thanks

A thermistor is a resistor and varies the resistance due to heat.They can either be NTC (Negative Temp Co-efficient)-the resistance reduces as the temp goes up, or a PTC (Positive Temp Co-efficient)-the resistance increases as the temp goes up.The thermistor works with in conjunction with...

Yeah, with British Gas, once the powerflush is carried out, unless there's a lapse in your contract, they'll reflush the system at no cost!

If you are considering a new boiler, my personal recommendation would be a lovely Worcester Bosch 28i; It's German technology!

Thanks for your replies

Hi! I've got my ACS in May, and can't seem to understand from textbooks; Can someone please explain the various types of OpenFlues, e.g. Precast/RidgeTile/Chimney? Much Appreciated

Are you sure the Greenstar doesn't have an integral filling loop to the appliance ?? :roll:

TBH, I haven't read all the thread, but I would consider RIDDOR reporting them for modifying a gas appliance, and then failing to check its safe operation;

Hi! I've tried searching the CORGI handbook (but no joy) because I'm not sure whether the distances for clipping gas pipe I've got in my head are correct; Please could you state distances for 15mm gas pipe and 22mm pipe (Horizontal and Vertical) Cheers!

WMS, I've emailed you Cheers mate

Can anyone explain op of controls such as: Liquid Expansion Thermostat in conjunction with Vapour Pressure FSD Mechanical Expansion Stat Zero Governor etc etc Its for ACS Prep Much Appreciated Also, if you have any good websites, please advise! Ciao!

Wow! Many thanks for all the advice! I will be following it! Cheers again

Hi everyone! From the time I've been on here, it appears we have some very experienced gas engineers; I've got my ACS (First time :? ) coming up in about 6 weeks. I've been an apprentice for a year and as you can imagine I've had to learn a lot inc appliances, system fault finding, combi...

I'd recommend a Sprint V3;

I'v only got a year's experience so I wouldn't put any money on it (unless its not mine :D ); It seems to me that it's a flame rectification problem; new rectification electrode req'd or worse case, PCB shot! Hope this helps

A weir gauge is the correct piece of kit you need; Without sounding rude, it is quite self explanatory; Just put it under mains press. i.e CW tap, and it'l indicate the pressure of the incoming mains water Hope that helps Regards