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Ok......I thought I had this subject down...............evidently not. So plus or minus 90%, or even 10% for the purpose of max rating or whatever it is your fiddling with.........no matter how I work it I can't see where your getting 46cm2 from, rounded up or otherwise. Please explain............

Ok
17kw gross divide by 1.11 = 15.31kw net
15.31 - 7 = 8.31 x 5 = 41.57cm2 ....
Then u could minus 10% = 37.41cm2

Or

17kw net -7 x 5 = 50cm2 -10% = 45cm2

It depends on interpretation of original question.
The original answer I asked the new guy would've been 50cm2 but it all got a bit pedantic lol
 
..so I was right in the first place.......and round here jtsplumbing, the boozers have wifi 😉
 
Sorry blumper but we are only country bumkins just getting used to having electric lights, and flushing toilets not like you high flying fitters in the southeast! bet you even have soft toilet paper !! :toilet:
 
...lol.........nah....haven't you heard, we've an iPad app for doing that now as well..........
 
Just as i thought Blumper, even got some-thing to wipe your backside, you guys in the SE have got it made, us old country boys still useing hand full of grass. (watch out for nettles)
 
I am coming towards the end of a 2-year level II plumbing tech cert. Our course tutor has told us the NVQ option is no longer available unless you are an apprentice.

I am looking to go onto level III next year which provides an introduction into gas appliances as well as more in depth look at cold water and central heating systems.
I am lucky as in a previous job I used to fit cookers, so have been on the gas safe register before (although it has now expired), meaning I can just re take my gas exams and get reigistered again.

However, for my fellow classmates looking to get into gas, they have been told the only route now is to take a 'Gas foundation course', which will cost in the region of £2500, which also requires the student to do 400 hours of supervised gas work with a registered engineer!

Unfortunately, the cost means it is now not really an option for most to go into gas unless they are apprenticed with a company.

....So to become gas registered with a 'Fast track' training company in 10 days or so, I would very much doubt.
I suspect you would be wasting your money.

Even on the basic plumbing level II we are finding many lads falling behind on coursework and failing exams.
 

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