How NOT to install an Extractor fan, Exotic life of an Electrician
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- Опубліковано 8 гру 2019
- All the Mould!
Replacing one small fan for and new one and installing the same fan in ensuite.
light i was using in the loft, Unilite, : amzn.to/35lcEAg
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Just fitted same unit but cored through wall, fitted manrose internal fit outlet with back draft shutter and insulated hose for condense free operation. The difference between those little fans and the 345 cubic metre per hour ones is great. Did the spur job first time so just wire swap over as spur and fan all laid out on a piece of 20 mm plywood. Its only took me about 4 years to do as my loft is only 4 ft high in the middle and the bathroom is on the side of house so worked in 2ft triangle, hence the long term thinking about it 😁.
Wow loft insulation was so bad which is also part of the problem. Glad you help insulating it as well, hope that will help. 👍
Buds and hero’s for the kids, start them young
Top tip!!!
Extract fans work better sucking rather than blowing....so always install fan as close to the external vent as possible. I will give you that one for nowt!👍
That's how mine is done 👌😉
I’ve got insulated ducting in and out, should I attempt to insulate the body of the pump? Any chance the moisture can condense whilst going through the pump in a cold loft?
I saw the thumb nail and thought where have I seen this chaps face !!! House move I helped my work mate move house and your bro moves houses a few weeks ago nice video mate
Lol great video, felt the pain on your face when explained the loft insulation question “love too” hahahah
Wow! :) Love that entrance into the en suite at the beginning - so want one!
9:58 onwards had me creased! haha brilliant
You are a diamond nick. The customer will be so happy with you doing that insulation in the loft. But it was funny when you punched the bag of itchiness
We used to call insulation tickly death back in the day
I was waiting for Gaz to pop up and comment that although you had a respirator towards the end in that loft, you weren't wearing gloves 😂😂😂
FFP3 mask when working around loft insulation and you should use insulated ducting in a loft like that to minimise condensation, a lot of inline extractors require condensation traps to be fitted now.
probably the funniest video I've seen from team Bundy
Get yourself a couple of 3m scaffold planks. Cut one in half (2 x 1.5m, and the second into quarters (4 x 0.75m). You will be amazed how useful they are when working in lofts.
Did you eat the biscuit when you turned the camera off lol I would have done 😂 another good video mate 👍
I was waiting for Gaz from GSH to pop up when you first got in that loft, but you redeemed yourself at the end with a mask 😷👌.
Love the cheeky Artisan digs… To be fair I love you both….
I always bring the fused switch down onto the wall outside the bathroom (normally above the door frame) so it's accessible, personal preference and means the fan can easily be isolated in case of a problem. Saves climbing into the loft just to change a fuse too!
If there's a problem with the fan, you've still got to go in the loft. It makes no difference where you place the fused connection unit.
@@beardedsparks2825 Yes agreed, but if the fuse pops for any reason at least the customer doesn't have to crawl up into the loft.
If it pops there's a problem and the fuse will blow again. Someone will still have to go up into the loft regardless. Also, the switch is to isolate the fan, you want that isolation device close to the item it isolates. You don't want someone switching it on when you're in the loft working on it.
Personally I always isolate with Wago's when working away from isolator. My original post was my personal preference anyway, everyone had their own way of doing things.
@@martin54123 The fuse is ultimately there to prevent a fire in the event of equipment or cable failure, it is not something that should ever need to be replaced and if it does you need to go into the loft anyway to repair or replace the fan. Manrose however say that if the fan is on a 6A lighting RCD/RCBO the 3A fuse is not necessary
Environvent is a good choice as well.
The lack of insulation was half of the problem. Moist air meets cold surface = condensation. Had this on a single skin wall in a bedroom. Warm room with a dehumidifier on and reasonable ventilation. Soaking wet wall covered in mould. Insulation and boarding over was the only way to stop it (after killing off the mould and drying out with fan heaters).
Excellent point about the loft insulation being removed.
Karl I agree 100% the lack of insulation is most of the problem, and I also noticed they are drying out towels on the radiators
Ah, love your video, this is the first one I've seen. Caught laughing out loud at work. :D
I’m dyslexic too. It’s a good excuse for when you miss read drawings hahaha
Hi a good tip when fitting extract fan to a board is to put 20 grommets under mounting feet cuts out any vidaration noise. Keep the content coming 😆👍
Genius idea, thanks for the tip
I go even one step further and put loft insulation under and don’t screw board down at all
We had a mold patch that kept appearing in our bathroom. When I got up in the loft to take a look the insulation had been removed directly above. Funny enough it looked like it had been done by whoever installed the extractor.
Gymnastics is a must for us sparks 😂
Those manrose fans are very good!
nice video mate.. Fair play with the insulation laying lmao
They should paint the ceiling with Crown Trade Steracryl mould inhibiting paint. I use it in all the mouldy tenancies I decorate and it works well.
Nice job
3 second rule my friend!! still good to eat :) Nice Video mate. the last bathroom extraction I did, the pipe went from one bathroom to the second bathroom.
3 second rule does not apply in bathrooms old boy
Rich Cook
Too many loose pubes 😳
Where do you usually pull power from for an outside sensor light at ground floor level Nick?
Nick.... could you please pop around and straighten the Ariel on the roof for me please? It’s certainly not level. There’s a good lad! 🤣 Video = 👍 from me.
Any recommendation for out of the wall bathroom extractors. There’s tonnes of options.
interesting video. Would you consider adding a timer to the pull switches as I can see most people forgetting to turn the fans off?
Just a question about positioning the exhaust vent. If the vent is over the window won't you just draw the same, damp air back in to the bathroom? (I can't actually see the vents in the video due to the contrast but in the preamble you said that's where you'll fit it).
I love watching someone that knows what they're doing. That said, I know nothing. But top work.
I do have a question though. Do you need insulated pipe? Or is putting the loft insulation in top of it enough?
Interesting that you use the black as the neutral (sleeved blue) and grey as switched live (sleeved brown)
Nothing wrong with it but I’ve always done it black as switched live and grey as neutral. Doesn’t matter as long as you sleeve them I guess.
I always use white duct tape to attach the ducting to the fan, gives a better hold!
Gorilla tape fo shizzle......
Nice to see someone else in the black as neutral club
It's a hangover from the pre harmonized days, older boys with the red as live and black as neutral.
If you look at 3C and E you can see the intension.
Sleeving the black as neutral is wrong. With the old colours blue would be used as neutral, blue became grey with harmonisation so grey should be used as neutral not black.
Some nice little jobs.
I avoid a vent being near a door or window that opens into the room from which air is being extracted because the extracted air could be sucked back into the room; I don't have any stats on it but seems a reasonable precaution.
And they say that rigid ducting is preferable to flexible with in-line fans, yet provide flexible in the kit - go figure.
What did you use to cut the holes through the plastic soffit?
And doing these little 'oh, can you just do that for me...' is part of self employment I'm afraid, we've all been there, just have to grin and bear it and think of good karma.
Insulation hate it! Good work was In a loft today 🤬
Don’t tie cable to your wrist so the drill doesn’t drop, if it locks up it can spin around and wrap around your hand in a way you can’t take finger off trigger and then nearly break your arm or something (something similar happened to a friend who was working on a dock and didn’t want drill to fall in water)
I took it as a joke??
I would of fitted a constant trickle vent centrifugal fan in a room that size with no other ventilation . I have to fit Nuaire faith and cyfan fans as per clients spec
Please advice me, I had an inline extractor fan fitted and a roof tile vent but he has connected the inline fan to a normal extractor fan. So my bathroom has a celling extractor fan connected to an inline one in the roof. Is this ok or should he have just used a vent in the bathroom?
Great job. I've seen on one of your videos you were very open about pricing. Do you mind sharing what you priced this job at? I find pricing the hardest part
Just about to install a Manrose MF100T extractor fan. I thought venting through a soffit was bad due to the damp hot air being sucked back into the loft via the soffit vents creating dampness in the loft. So the options are through a roof tile vent kit (which I will not attempt) or core drill 117mm hole through the gable end wall. Enjoy your videos but am uncertain if soffit venting is ok, certainly easier.
I've just fitted my fan , my ducting runs up
I've pulled it tight as you suggest , is it ok to have the fan mounted horizontally but the exhaust going upwards?
More than a "bit" of mold there 😂😂😂
Dyslexics with OCD make the best electricians. 😁
Dyslexics hook the wires up backwards.
@@catsbyondrepair they have time to realize.
do you mind me asking where you get your Hager gear from and how much you pay for the RCBO’s ?
Many times seen those flexy vent pipes full of water from condensation building up, as the loft, and therefore the inside surface of the pipe is cold. Trying to vent warm damp air out results in the condensation building up and causing the pipe to sag under the weight of the water. Better to use insulated vent pipe as it prevents this and makes it much quieter too.
The first thing I thought about that ceiling was , insulation (was there any) .
Hi, good vid! Just one question, when you wire up the fused spur, what do you do with the switch live? Did the fan have a timer and need it?
I'm busy admiring that abomination of pipework, complete with requisite ptfe tape on the threads of the lovely compression isoating valve and a small fortune in pushfit fittings.
We’re your ladders black did you buy them like that or spray them ??
By the look of the plumbing there's been a lot of DIY bodgery going on there. Ptfe does not belong on compression joins
Not required but you often see it used, I use it too. As long as it is wrapped around the olive and not the thread, i.e. where the joint is actually being made, no harm done.
A plumber told me the same thing, but I'm trying to work out what kind of join isn't classed as a compression.
@@westinthewest Push-fit, soldered, threaded, none of these require compression.
@@marcopetrillo6867 Sorry I misunderstood and forgot there are many types of join. The plumber I spoke to talked about two types of thread join but I can't remember what the difference was. One type benefitted from PTFE tape, the other did not.
I used PTFE tape on the threads of my new XT bicycle pedals instead of grease. I'm hoping it will make removing them easier in ten years' time.
Nice mould there. Just my job
We use envirovent fans expensive but never let us down
That ceiling not being insulated where it's all ripped up is another cause of the mould, a cold ceiling.
Don't let any customers know that you're only using 75m of cable when they have paid for 100m. .....especially in 2022/23.
Nice job in the loft!
Why didn't you just fit a humidistat /timer unit into both bathrooms along with both new fans ?.
Guess they both work and leave the house quickly in the morning with windows shut all day.
Great vid, thanks for sharing. 🐵
I’ve got the same fan but mine goes out through the roof..do you know why the fan fills with water?
Great video, what camera do you use ?
HG mould killer spray is the best if you live in the UK, spray it on and the mould just disappears, no scrubbing or anything needed
What is the extractor fan you used?
Think it was ‘fuck buying kitchen and bathroom paint we’ll just use emulsion’ Excellent videos thanks.
Anyone know the reg's or at least the pro way to do it, on ducting on the cold side (loft) of the house? Always thought you "should" use that insulated laminated silver ducting? Wouldn't the hot vapour in the duct and cold of loft cause water to sit in the bottom of the ducting?
I had the same question
The mould is due to lack of insulation, install a bigger fan all you want, but that ceiling is still going to attract moisture.
Loft insulation must be the direst I've seen in a modern-ish house. and easy 15% of their heating bills if they sorted that out. Heck, I think someone offered to do ours for free.
Yep, only thing that solved it in the back of my house that had a low single pitch roof with only a small air gap between the dpm and tile and the lath plaster ceiling. stripped ceiling, PIR and insulated plaster board while keeping a 50mm air gap above it all and it never came back again. messy work, but it works!
How have they left that mould there and not tried to clean it? 🤢🤮🤮🤮
I know, I've been to properties like that feeling an awkward discomfort standing with a client staring at a disgusting ceiling.
Joseph Ward Yeah I’ve got no idea how they have left it like that and not even tried to clean off, there’s an argument they’ve left it like that to show the electrician the problem but come on...I mean I’d just be embarrassed to have that in my house let alone with people coming round but that’s just me I suppose!
They don’t wipe it off they would rather complain instead to the landlord!
@@darrenjowett8032 if you keep it clean the landlord will say there isn't a problem. let it get bad and they will have no choice.
ThunderChild I don’t I tell em to clean it.
Dunno why they went and bought more insulation and didn't use the excess insulation stuffed in the rafters at the beginning??
Try Environment fans no need for 3 amp fuse.
Did I see a smoke alarm to close to a wall less then 300 mm at 1:57 or was it a pull switch
Pull switch you ####
Those fans are rubbish, but the main cause will have been sorted by fitting insulation, hot air from the shower and a cold ceiling will cause mould like that, I see it quite often
Hi mate / son where do you get your work mat from would be grateful if you can send me a link
Nick, thanks for another great video, very detailed. You look good in it too. I was just watching Artisan Electrics thing on monetisation (youtube) and it struck me how many people - like me - have replaced their old chasing set ups with the Metabo stuff you showcased, all because of your video. I certainly did and I hadn't budgeted for tooling to the end of my accounting period but did it anyway. If you'd linked it through to a wholesaler with a decent discount on that stuff you'd have got yourself a fair few pennies with a 5 percent commission. I don't think you did have a link did you on that? Have a good week.
How much are them fans ?
that house is a mess. jesus wept. the state of the attic insulation and wiring and general layout. and i have never seen an attic access above a shower! LOL.
Maybe replace that crappy ducting with correct insulated vent hose so as to reduce condensation issues?
Yeah i work on new build and nhbc insist on it
Always carry extra tape with you. (all jobs; sparks, video, medics,.. )
where is Adam when you needed him ? Nick
Why not timer fans?? 🌪
Why do you put a on and off switch and not install a sonoff to automatically switch on and off when it detects hi moist level? people will forget to switch it on and off and not use it.
Cause the landlord ain't paying for that
01:41 I thought that was a fridge-freezer at first...
That bathroom mold makes me glad live in a desert
Living in a desert, that must be a "trifle" uncomfortable , oh no that's a dessert, sorry im dyslexic too! 😋
How can anyone let a bathroom get in that state?
wheres you little green led light from?
matt8906 unilite
Denmans sell them.
So what was actually wrong with the original fan?
Peter Richardson
Nowt , just under sized for the job
Is the 5 or 6amp breaker too high for a fan ? Not got a fuse fitted to mine 😯
The fan is a fixed load so you're probably fine. Regulation 433.3.1 says that you don't need to worry about overload. You just need to make sure that the MCB will provide fault protection. You could very likely connect your fan using 1mm cable directly into a 32A circuit. I did something similar last year for a new wall light. I checked the spec on the 32A Hager MCB and confirmed on the minor works certificate that it would disconnect in good time if a short circuit occurred. You might find that even a 50A breaker would be fine.
It was in Amd 3 of the 17th Edition when following manufacturers' instructions was changed so that they only had to be 'taken into account'. The fused spur is usually unnecessary and can be omitted.
@@westinthewest Thanks for your reply. It's suppled by a 5amp breaker on the lighting circuit an old 1987 MEN braker unit tho. Installed the fan myself, (I repair domestic applyiances for a living) and an other thing how would you go about putting a fused spir on a fan with a timer eg two lives? Can't see how that would work ??? 😀
@@flipflop595 The 5A breaker is good for overload and fault disconnection. 1mm cable will handle up to 13A so you don't need additional fusing from a BS1362 fuse e.g. 3A, 5A or 13A.
Interesting question about the timer fan and the two lives. You'd have to fit two fuses but then if there were a fault, only one of them would pop and there would still be a live connection in the other one.
It's possible that manufacturers don't mention fused spurs (FCUs) for their timer fans. Have you seen the fused spur mentioned in the installation instructions?
@@westinthewest There was no mention of additional fusing in the instructions for the fan . I got it from ebay, the fan itself is an inline one like the ones you installed but centrafugal type one "fan blade". The motor dose have a thermal fuse for overheat protection that was one of the first things I checked by looking at the motor when I had it apart.
The fan i have isn't a timed one.
Rah energy drink by the bathroom sink. I hope that's yours and not how the customer starts their day
Aargh that mold is awful! 😫
Lots of push-fit plumbing in that loft...
Apparently it's ok to install a manrose fan without a 3A inline fuse as long is it has RCD and 6A MCB protection. . . apparently.
I specifically asked Manrose about fusing and their response was that their fans have required fusing for well over 20 years. Nothing to do with rcds
If states one needs to be fitted in the installation instructions then you fit one
@@dancrawford2690 It's been o.k. to ignore manufacturers' instructions since AMD 3 of the 17th Edition. Regulation 134.1.1 states that manufacturers often talk crap.
@@westinthewest doesn't that reg reinforce what I just said? Or am I missing something, i would agree there is often a load of crap in the manufacturer's instructions, but I would sleep better knowing I've covered my back and done as I'm told like the good boy I am, from an insurance point of view I'm sure they would have field day in the event of a mishap, I'm yet to find a single fan that does not require you to fit a 3 amp fuse, although im sure there are some brands out there that dont, I fit the 3 pole fan isolation switches with a combined fuse so it's really not an issue, there just as easy to fit as a regular 3 pole isolation switch
@@dancrawford2690 The regulations are there to protect property, livestock and persons. These should be your priority instead of worrying about your back. The manufacturer of a shower has no business advising you how to design or erect the circuit that supplies it unless they are prepared to be co-signatories on the certificate. They just need to tell you about the appliance's characteristics so that you can make your decisions and take responsibility for them. That is what you are stating when you sign the certificate.
I guess the supply was on an RCD protected circuit at the CU? Requirement for any circuits into the bathroom I believe.
Can I fly you to America and have you install some insulation for my place
you could, but you wouldn't be able to pay him
Sorry I'm allergic to loft insulation ;)
The loft insulation de-rates your cable, you shouldn't bury it
Worst case scenario is that you derate by 0.5, that means cable will only carry half it's original rating. 1.0mm t&e will carry 16A clipped in free air, derate by 0.5, that's 8A it will carry. Most lighting circuits are on a 6A circuit. Where's the problem?
First!😁
In-line fans are great but I only ever install them for rooms with no windows as there's no guarantee the customer is going to turn the light on everytime they shower or bath.
That does get me thinking... would make more sense if showers contained a 3A fuse and fan connection point switched by the shower, so our fans could come on with the shower not the lights.
@@Mattja1 Much easier and simpler to fit a centrifugal humidistat fan.
@@ashmanelectricalservices4318 True
Exactly! :-)) Better is a relative air humidity device for make fan on/off!
If there had actually been loft insulation properly fitted in the first place there wouldn't have been any mold.
why they need extractor fan if there is a huge window
Genuine question for Nick. In the video he mentioned he is dyslexic, how do you know if you are dyslexic.
He looks normal to me?
How can you become an electrician with your own business when you struggle to read, write or spell?
I am confused.
I don't know anyone with dyslexic, just curious.
Haha loft insulation section was a good one, a universally hated job by anybody who has skin.
Marco Petrillo that’s a nice attic. There’s barely any insulation. I’ve been in attics with a foot of wood chips and you have to dig deep to find anything. There’s also attics with shredded fibre glass insulation and more digging. In Most attics your covered in dust and insulation from digging.