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meters
The metre (Commonwealth spelling) or meter (American spelling; see spelling differences) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in the International System of Units (SI). The SI unit symbol is m.
The metre is currently defined as the length of the path travelled by light in a vacuum in 1/299 792 458 of a second.
The metre was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole along a great circle, so the Earth's circumference is approximately 40000 km. In 1799, the metre was redefined in terms of a prototype metre bar (the actual bar used was changed in 1889). In 1960, the metre was redefined in terms of a certain number of wavelengths of a certain emission line of krypton-86. The current definition was adopted in 1983 and modified slightly in 2002 to clarify that the metre is a measure of proper length.
I am trying to get a small combi fitted in a new house and am confused because of conflicting advice from 2 gas safe registered fitters. One says a valient eco tec pro 24 will be fine using existing pipework which includes a 15mm section of piping going upstairs with a few bends, for about 10-15...
MartinJohnson
Thread
boiler
combi
meter
meters
other
pipe
pipe size
required
size
trying
Hello. I have moved into a house with underfloor heating on the ground floor - water type system not electric. The kitchen/diner is by far the largest room in the system and is very cold compared to the other rooms, and noticeably slow to heat up when they system is on compared to the other...
Hi guys, I've I'm putting a combi boiler into a garage that is being converted into a separate flat for a local builder.
he wants me to take a gas supply from after the outlet of the existing gas meter and then run about 20m down the garden to the garage then install a secondary meter.
He says...
I have been asked to carry out some work on a house the problem I have is the gas meter and at least 4meters of pipe is in the basement flat, We can get access to this flat using keys from the letting agency, Because of the position of the meter the installation is AR.
My gas manager has spoke...
is there a difference between gas rating a normal domestic appliance and doing a commercial one
I knew one of the answers will be;
if commercially qualified you should know this and if youre not you shouldnt be touching commercial appliances
but i just wanted to satisfy my curiosity and if I...
I plan to do my domestic to commercial catering changeover soon as I have done a few jobs for a small hotel who are good customers and want me to do their gas safety check if I get the qualifications, I have turned down other catering work in the past too.
So I plan to do comcat 1 and 3 or...
mike_s
Thread
catering
commercial
installation
meter
meters
testing
I have to connect the gas up to a couple of newly installed gas meters, the semi concealed sunk into the ground type. The fitting supplied with the box as the exit point of the gas supply to the property, on the inside its the same as the meter union size and the outside is a 3/4 female thread...
Hi guys. Got a customer that I need to quote for. They are converting a old post office into office downstairs and flat upstairs. What are the regs for a secondary meter. I know emergency valve needs to be in flat. But who fits the second meter. And we're to get price from. First meter is in...
xpertbert
Thread
about
gas
gas meter
help
meter
meters
needs
secondary
Hi, new here and just a bit of a diyer (oh no!), anyway does anyone know why the stopcock in the pavement outside my place and a few others round here has been marked with a yellow cross, i`m in the Southern Water area, i think they use a contractor as well called RPS water. Thanks.
Any experience of these any one good or bad,must fit 10-12 a day.ersAfter working on contracts in the early 90's servicing 10 back boilers a day,i would think the main problem would be catching people in.Booked my met 1 ,some ads say must have had experience,cannot see anything challenging...
Hi all,
Please allow me to say that i am completely new to underfloor heating and i know very little about UFH.
I recently bought a house with wet UFH divided into 3 zones with a woodfloor with a brand new Kenston 30C combi boiler.
The hot water for the bathroom is working. The problem is...
Combi boiler flue terminal is approx 1.5 meter away from neighbouring property however both Properties are owned by same person will this cause any issues as I believe it should be 2 meters according to my G1 book,customer has build another house basically in his garden..I'm thinking Poc wont...
proelitegas
Thread
boiler
combi
combi boiler
flue
meters
oil
property
terminal
within
Does anyone on here know much about the new BG Smart Energy Meters? Apparently they are recruiting loads of engineers to fit around 20 million gas and electricity meters over the next 10 years.
I've been offered the opportunity to join the team but it involves 22 weeks training and not sure...
1 Is there anyone expert enough to suggest why, with a newly fitted Potterton 24kw combi and supposedly strong pressure from mains, I cannot get a reasonable flow from the hot tap ever, and not at all if a cold tap is on? This is the case in both bathroom and kitchen, both of which rooms are on...
amygdala
Thread
can't
cold
combi
fitted
hot
hot water
meters
potterton
pressure
running
tap
water
I'm presuming not but keep hearing from customers that they have. Usually because leaks have developed on them since. If I can tell them I'm not allowed to touch them then it gets me out of faffing about.
... if you encounter old coin meters, do you change it upon sight or only if you deem it a safety risk?
This meter hasn't been used since 2007 and I'm getting ready to have gas central heating installed here. When BG come to hook up the outlet, just curious if they'll change the meter too...
the socket and see i bought has failed,well both of them,seller on the bays as good as gold giving me a full refund anyway now after this one FLUKE 116 HVAC DIGITAL MULTIMETER FOR THE GAS SAFE ENG. on eBay (end time 16-Jul-11 19:38:23 BST)nyone have a link for a better price?
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