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Incidentally in 1989, I was asked to develop an electronic controller for an Autoclave for dentist market for sterilizing dental equipment, all the metal work was done by others, my job was to design a circuit that had inputs form a temperature sensor, that timed the sterilising cycle once it...

I phoned Howden doors, and asked them for reason they don't allow any shaving from the top, the main reason they gave me was it would tamper with the label, and so the door would be no longer FD30 certfied due to removal of the label, so technically it does not effect its performance if one was...

Equally reckless is the manners in which one conducts this so called " a discussion" that turns it into an ugly and a reckless debate. So if one was being genuinely helpful and concerned about safety issues, like the issues in one in my picture I posted, where someone noted the flue pipe to...

Indeed a very sound advise, not that I was actually going to do it, someone winds me then I have to wind back, indeed the pressure acting on the EV crimped edges would be tremendous, and sure it won't be less than an explosion! and yes I am aware any sludge would accumulate at the bottom of...

Good, so we have come to some understanding, and of course, it may have just been pure luck, I swear on my life, what I said is true, who knows having said this i awake up tomorrow and one of my now 42 year old rad starts to leak, I will keep my fingers crossed. Someone did mention on here a...

yes i have always cared for children, who can't speak for themselves, and you will be surprised how much I donate towards such needy, helpless, poor and deprived children, world wide including our own in UK, as well as I do speak for animals too, as they don't have a voice, over a 11 million...

How often is that likely to happen John? may be once in a blue moon and only to a boiler that has been neglected of any service, or timely repairs, or where safety overheat sensors malfunction this boiler was installed back in 2014 April, and has been running fine since , not even requiring...

Dave, I have absolutely no problem with your comments, it is good you made me aware as well, and I did not even raise an eyebrow over that flue slope, photo may be deceiving, but next time I am around Harlow, I will take my spirt level and check, if the installers did not provide enough slope...

Thanks John, do you know what thickness a proper fire door lining is? I might consider this option as I might already have shaved a little bit too much along one corner in a bad mix up, me and my assistant were supposed to do the opposite corner but somehow the door got turned over as we were...

Who said there was nothing wrong with that installation, couple of things, one being overflow PRV tied up to condensate drain, even I can tell despite not being an RGI, but why should I lose my sleep over it since the guy who did the installation and parted with my money should know better and...

First of all unsightly flue means it complies with minimum clearance dimensions from any openings, so had to be routed away from that door, and it is in a utility room where no one would give a honk, may be you are picking on its slope, it looks level but the inner flue is eccentrically laid to...

You can use UPVC Window sills to make pipe covers as I did at another property, this material is very versatile, it is widely used in building sector both internally and externally, so i cannot see any issues, most double glazing is now carried out in UPVC, here I used sections screwed and...

When I replaced WAH at a rented house and replaced by wet CH and new rads, the Heating Engineer's aftermath is self explaining, need I say I was not highly impressed! This is how the pipes were laid crossing over one another and all over without any systematic approach. Ref to picture...

You could make a cover from some light weight plastic material which i am not sure what it is called but I think its use is in external cladding, I saw it being sold at a local bath and plumbing store, they are like tongue and grove type of thing, i made a bath side panel from it and it came out...

i am pretty sure it is older than 20 years, I have seen kitchen in council houses 22 years ago that looked far more modern than this one, including my own Hygena kitchen 25 tears ago still somewhat does not look too out of date, made of solid American Oak, even now it is in excellent condition...

Lithium ion batteries last very long time, designed and capacity chosen to last 10years , it is the same for prepayment gas meters, where the battery also opens a gas valve to let the gas out, and operate the display and all its electronics, I am sure the prepayment card has a chip that can feed...

I wish I had known this, https://www.rawlinspaints.com/home/paints-and-coatings/fire-retardant-paints/door-upgrade-kits/1168-fire-door-paint-30min.html#fullit would have saved me a lot of hassle, I am still at it, the frame is not 100% square, that means getting the gaps right and parallel is...

Well and truly pleased for you, glad it was nothing more than a switch of some kind in the compartment. learning curve I suppose. :)

Dear oh dear! when is the funeral? Don't rush yet? if everything is dead, its actually a good news. It means it will awake up again, its just gone into deep long sleep, so give it a chance it will awake up, but you will need to do something to awake it up, check its internal wiring and a trace...

Of course, the brush or cold draft fur strip is made of hundreds of tiny hairlike nylon bristols and designed to melt, so that after it melts away it opens up the access for the intumescent material to start popping out of the slot into which this fur strip is held in. That makes sense, but...