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available
In reliability engineering, the term availability has the following meanings:
The degree to which a system, subsystem or equipment is in a specified operable and committable state at the start of a mission, when the mission is called for at an unknown, i.e. a random, time.
The probability that an item will operate satisfactorily at a given point in time when used under stated conditions in an ideal support environment.Normally high availability systems might be specified as 99.98%, 99.999% or 99.9996%.
Hi,
a friend of my partners has a problem with her boiler and needs someone out today, I can't make it. She wanted me there yesterday but i've got too much on. I was going to try and get there tonight but i cant guarantee it.
Is anyone able to help? If so pm me and I will give you the...
Hi,
Looking for a bit of help and advice please in relation to tap valve sizes.
Mixer bath tap valves have been playing up so decided to replace them.
I purchased this from screwfix:-
https://www.NoLinkingToThis/p/swirl-contract-bath-tap-reviver-kit/19163
However when I removed the tap valves I...
The flush on my button press flusher no longer works, I've identified which part has broken but I can't find the right part for sale anywhere. Can anyone let me know what this part is called and where I could find it?
It's the part I have circled in red in this image: Imgur
Many thanks for any...
WHY ARE THE LANDLORD PADS CHANGING?
The Landlord / Homeowner Gas Safety Record has been changed primarily in anticipation of potential changes to Landlords requirements in the Gas Safety (Installation & Use) Regulations (GSIUR) that are planned to come into effect in April 2018, whilst still...
I was just pondering about my new system design, which will be fitted at the beginning of 2018.
Is it possible to run an unvented cylinder with a vented system boiler? Just wondering as it has to be far less hassle/least likely to leak than a pressurised CH set up?
I already have an unvented...
Hi,
I am at present doing a project (not plumbing).
I need to connect 15mm copper fitting to either 50 or 40mm plastic pipe.
Does anyone know of a solvent adapter available, as I can't find one.
Many thanks.
SMB
Issue is – We have a Mains Pressure Hot Water, Open vented, Solar thermal storage unit in a single storey property with 2 <u>Direct</u> feeds (One for multi fuel burner and one for oil/gas boiler). There will be a boiler stove fitted to one and it’s planned to fit a gas boiler to the other (in...
I need to touch-up a tiny area of an enamel bath (about the size of a 20p coin). Is there any product available that I could obtain that would allow the bath to be used within a few hours of application? I have bought some EVERBUILD STICK 2 but this requires a 24hr period before being dry. I...
Do I need a type number to properly identify this Hudson-Reed shower mixer? I can't find a match on Hudson Reed website, but perhaps that doesn't matter.
It's a standard mixer with on/off flow valve above. The temperature control valve has failed (turning the control now makes no difference to...
Hi,
I’m getting a new boiler this week as the old one has broken down. I’ve been checking out this forum and would like your advice on a thermostat.
We currently don’t have a thermostat separate to the boiler so I’m very excited about the options available but at the same time I need a...
RuthO
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Hi All
Permit me to introduce you to the the Johnson Magnetic Filter.
Designed and built in the UK by registered gas engineer Neil Johnson, from Mansfield in Notts.
There are a lot of filters on the market, and this one is not the cheapest, so is there room for another product? Neil thinks...
Evening guys and girls,
I thought I would post in and see if there was any plumbing work about as I have noticed couple of weeks ago quite a lot of people / companies have started to get busy and needing an extra man. I am just hoping I haven't come too late and missed the bus!
I'll explain a...
I was looking at oddschecker earlier, and saw the following:
Overall Tory majority 17-2
Overall labour majority 40-1
Realistically no-one else is going to get close to a majority in the whole of the UK.
So the punters are overwhelmingly backing a hung parliament.
Yet hung parliaments are...
I know you can get a £1500 grant when you take on an apprentice but does anyone know if you can claim this every year or is it just in year 1?
also someone said something about an employment grant. I think if you take on an employee that has just passed their apprenticeship it might be...
Evening all, just wondering if flue & extensions are still available for vokera Linea 28 se? And if so anyone got the part numbers as they're not in the M.I. s. Thanks.
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