UNDERFLOOR HEATING - step by step guide
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- Опубликовано: 9 июл 2019
- UNDERFLOOR HEATING INSTALLATION - Step by Step install. How to install Radiant Floor Heating. Plumber showing how to install underfloor wet heating. today I'm going to do underfloor heating. So, I'm going to do a step by step guide on how to install underfloor heating. Also, how to order it, and where you can order it from as well. First of all, what I've done, I've just done a drawing, like this. And then I've sent this off to a company, Beneath Heat. And Beneath Heat have sent me an installation pack out, and you can buy this from your local merchant. when you buy the kit.
And when you get this kit, it comes with a full drawing. It gives you all your flow rates, all your centres, and what you need to do the job. So, what we'll do now, we'll have a look at some of the components that we need with this, and then we'll install it down on the floor. We'll put the pipe in, we'll put the pump manifold on and we wire it up. And we'll do all the stuff we need, so it'll be fully step by step. So, after this video, you'll know how to install your own underfloor heating. All right, let's have a look now.
First of all, we've put the drawing up on the wall here. This drawing shows us where the manifold goes, and it shows us all the centres and where we need to put the pipes. We've got the board. This is a retrofit system, so we've got a concrete floor. I don't want the floor to rise up too much, so I've got this. It's a little bit like King Span, and then what we do with that is we put the pipes in here. So, we'll fit that in a few minutes.
We've got the pipes, and the pipe comes on coils. This one's 80 metres. Some edging strips for when it goes around corners as well. So, again, we'll fit that. And then we've got the manifold. I'll fit that on the wall as well shortly. Also, we're going to put this onto an S-plan. So, I'll show you how to do this as well.
This is a combi boiler this, and what we need to is so that we can control this, we need to put it onto an S-plan. So, I'll show you that as well. Let's have a look.
First of all before we connect the underfloor heating, what I've done is I've made the system into an S-plan system. What we've got here, we've got our flow. This flow comes up from the boiler. This zone valve here, this connects for the other circuit, for the central heating circuit that I've got in the other room. And then I've put a zone valve in here, and this is for the underfloor heating as well. I'm going to put the manifold on here now, so I'll show you that.
We've got an installation guide with this, and it shows us how ... well, it shows us the height that we need to go. So, it shows you the manifold on there. Also shows you how to cut the pipe. Shows you about the fittings as well that we've got, which I'll show you them shortly.
When we look at the manifold, one thing that's really good with this is if you wanted, you can undo these caps and you could put the pump on the other side. So, you could have this, if you have your pipes coming up at a tight corner, of this side, or wherever you want, you can adjust it to suit. So, that's another good thing.
So, I'm going to put this on this world here now. It needs to be, as I say, about 400 mm high. Mine's not going to be quite 400 really, to be honest, but the installation instructions say 400. So, we'll put that on here now.
One thing to point out with this manifold, I fixed the manifold now. If later on, you decided you wanted to add to this manifold, then you could just undo these nuts out on the ends, and you could extend the manifold. And like this is in a corner here, you could just put a new manifold on the wall there.
We're now going to refer to the plans here, and we see we've got the manifold there, and now we're going to put the boards on the floor to this plan. So, we've got the board here, I'm going to start with the boards now.
The first job, sweep the floor, give it a really good sweep. If you're an electrician, you might need to watch a RUclips video just on how to do that, but yeah, give the floor a good sweep. Just laid all the panels out here, and then I'm just going to cut this. In the instructions, it says that you can cut this with a Stanley knife. I'm going to use this, I'm just going to use a grinder, to be honest. But yeah. Just screwing all these boards down now. 
Хобби
No matter where you are in the world, it’s common knowledge that Sparky’s don’t know how to use a brush. Good video pal 👍
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As a sparky .... I can confirm that !!!
@@sk2283 phone and sitting in ii up 8ú7ú up uu
I'm an electrician. I tried to take your advice. There was a video which I used to watch quite often, in which a young woman showed us how to clean a floor. I was becoming quite an expert. Then You Tube banned it. So don't blame us. Blame You Tube.
he just raged on electricians for absolutely no reason. I love it
Doing my first one in a couple weeks. Thanks for the video
Great vid Allen - very informative about what I’m going to get involved in. Thanks.
Allen
You are an amazing person, thank you so much for the video
Great video Allen. Wanted to understand more about underfloor heating for retrofit. 👍
I like the detail you go into. Good job
Best video I’ve seen on installing under floor heating. Great job
Great work mate. Love the fact that you’re doing more in depth vids great help to learn and progress on from this.
Jas Singh Happy to help. Thanks
Thank you so much for a great video. Very nicely explained
Love your videos simple and straightforward no BS honest love it.
Thank you, Happy new year.
I Think Allen did mentioned it's a combi boiler and he made it into 2 zone valve, one for the heating and other for the UFH and said it's an S Plan, so the other zone valve would have a wiring centre, programmer and room thermostat to control the other zone separately.
And this centre what Allen was wiring is just for the UFH and the switch live can got to the other wiring centre and from that centre to the boiler or going straight to the boiler, just like same as all S Plan system and that's the beauty of it.
I might be wrong, but that's what I get to understand watching this video.
Allen made some of us confused here not showing the final steps of the wiring to the boiler and the other zone valve, but he works hard to show us and that's a beauty of Allen in heart.
Thank you Allen
usyorkshire wiring terminology, usbrown, usblue, usorange, usgrey and usearth, love it Allen.
😂😂😂😂😂😂
If you are electrician, you need to watch video how to sweep floor - that is class :))))))))
😂😂😂😂
That made me laugh!🤣
Everyone likes that!
Great video Allen thank you.
A great simple explanation of how you install UFH Allen, keep up the good work fella ⭐️⭐️⭐️⭐️⭐️
Chris Hardy I had a lot of help on this one. Thanks
Great vid again Allen! I never work with this usually, I Learnt alot from this! Thanks
+chris B I have a few underfloor heating jobs coming up, I will try and add some more 👍 Thanks
Amazing detail, thanks
It has been really of great educational and informative video. thanks
Nice video Allen, thanks 👍🏻
Hi Allen, excellent video! Thanks so much for going into this much details, really appreciated.
Thank You
Thanks for this video
Great insight to underfloor heating, has made me more confident in installing on my own project...thanks
As a BPEC trained and very experienced installer, a first time installer would be way out of their depth,!
It's a must if you want to install UHF invest time and money in a manufactures course!
@@johnward5006 thanks for the advice, sounds like a great plan for success
Very good explanation
ROFL....”if you are an electrician, there are other videos on “how to use a broom”
Comedy moments aside, great video Allan. Thanks for sharing.
Thanks for this mate. Brilliant stuff. Cheers for being thorough and going through the ordering process of the UFH system. That's the sort of stuff not many mention.
Keep the videos coming. Atb
Nemanja Gradinac 👍👍
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@Landry Izaiah instablaster ;)
@Kylo Fabian thanks for your reply. I got to the site on google and im trying it out atm.
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Great video very well explained brilliant
Great Video explaining each step. Have watched the entire vid, but you’ve missed out the connection for the 2nd 2-port zone valve. By the look of things, you may need 2 wiring centres to control the different zones. If that’s the case, would it not be more logical to use one wiring centre?
However, if you have wiring diagram for 2nd zone in the Saswell wiring centre, then that would be great.
Thanks
You are very good, your video is great and very easy to follow and learning experiences for a new skills.
Thanks.
Hi Allen. Thank you for the job you are doing. I would like to ask you what kind, type, model is the wiring center?
Hi Allen, thanks for the clear vid. Bit of an odd one: I'll be installing underfloor heating in a car camper conversion to be heated by an external rocket stove with copper coil. Pumping from cold water store, through the coil, round the system under the sleeping area, then into hot water storage.
Would appreciate any thoughts or advice you have on this in terms of kit, requirements, obvious risks, precautions, tricks of the trade etc. Many thanks.
Great vid. I have moved to a bungalow that has underfloor heating throughout and its great. Only question is zone 8 on the heatmiser uh3 is set to override so when triggered by the thermostat it opens yhe valve on the manifold but does not trigger the boiler. I can switch override off on the heatmiser unit so it will trigger the boiler for zone 8, but just wondered why it was set like this. Zone 8 is the hallway and small toilet that houses the manifold and miser.
Good video.
Thanks for the video! Would this work with wooden flooring as well?
I have the same issue of the floor level which I don't want to raise too much
Brilliant! So helpful.
Glad you think so!
Awesome video Allen, very well explained, loved the electrician's brush bit, totally lost they would be👍👍
Thank you. Really took some effort this one 😂👍
@@AllenHart999 - You made it look easy mate
JK 16 Taken me weeks to put all that together 😂😂😂
Hi Allen, love your excellent vids! Why are you joining the pipes in pressfit? Why not solder? Isnt pressfit much more expensive? Also I have a concrete floor... how much does this UFH raise the floor level, including insulation? Thanks!
Thanks for this helpful video Allen. You showed the link to the boiler from the wiring centre, but how does this tie in with the signal from the main central heating programmer/thermostat? Is it just wired in parallel? My boiler (WB Greenstar) has a Salus stat that plugs into the front of the boiler for the CH. Would this have to be replaced? Thanks.
Top man! Outstanding video👌🏻
Glad you liked it!!
Hi Allen, great video mate. Quick question, can I just put engineered wood on top of this without cementing the tiles.
Great informative video mate 👍
Thank you for taking the time to watch my video.
brilliant video as usual allen, just a bit confused on how the the second drain off on the manifold would get rid of the air in the system, could you explain that a bit more?
Great explanatory video for a complete beginner like me - thanks. Might be a silly question but can you have a ASHP connected directly to an UFH system without going through a boiler/cylinder please??
Hi Alan were do you wire the 2nd zone valve, really appreciate your video and help
Great video most helpful. thanks
Glad it was helpful!
Great video!
I have a bit different setup with a zoning off valve. The valve is broken and it keeps heating resulting in high room temperature and waste of energy. I am wondering can I stop the Wilo pump for a few days while I wait for a replacement part? Can this cause damage to system?
Really apprieciate your video ..., you... r one of the best plumber👍👍👍👍👍👏👏👏👏
So nice of you
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Thank you for your brilliant videos! Could you explain how/where a bypass would go?
Also, if one port on the UFH manifold is receiving no flow yet other zones are working fine (flowmeter not showing any water) but signal is being received to wiring centre, removing actuator head (and manually ensuring return valve pin is free), what could be the cause and remedy? Thank you!
great Thank you
Hello Alan great videos as always. I have a question please got a 4 bed house with 2 en suites with 1 main bathroom/wc up stairs and 2 living room , 1 kitchen and 1 wc/bathroom downstairs altogether the floor space is roughly 280m2 i do think i need more than 1 manifold however how do wire and pluming two manifolds to the same boiler as we will be needing to pumps. It will be great if you can do a video about this please or if you have one that i can watch. Many thanks.
Hi Allen, As with other comments, I found the video content really useful and informative. With the underfloor system and using multiple manifolds distributed around the ground floor of home, does each manifold need a separate flow and return pipe pair fed directly from boiler? Is it possible for one flow an return pipe pair from boiler to feed multiple manifolds in much the same way as two pipe system for radiators? Many Thanks
nice copper work - very clean indeed! did you use a crimp tool for the joints as there is no sign of solder?
subscribed... top video top bloke thankyou
Allen- Great video with details. Here in US I see people use an air separator and an expansion tank. Seem like your manifold tailpieces already have the air separator? Do you see need to have an additional air separator?
Hi great Video but can you please tell me where the boiler wire from wiring Center connects in boiler
Also I have a nest controlling my radiators do I need to have a separate thermostat for under floor heat.
Thanks
Awesome!
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@@AllenHart999 subscribed
Another great video from Alan well done and explained . my son is a spark have to tell him about the brush on RUclips ha ha
brian jones 😂😂😂😂😂 Thank You
Amazing video , just 1 thing I want to ask you , can we put the wooden floor on the pipe instead of tiles please 🙏
nice video pal..
Superb, great and very informative video. I am shortly intending to install UFH over time floor at my house, and need to install isulation before UFH so may get back to you if I have any queries. Thanks Allen.
Glad it was helpful!
Hi Allen. Can I ask what temp the thermostat was set to to get the results you showed in the video at the end with the thermo-camera. Thx
Top stuff. I did like the electrician comment. Could you make a detailed video on the functionality and safe and proper use of a broom .
Guess the leveling spacers are cut off with a Stanley once it's set.
Looking forward to the mirrored ceiling and hydraulic disco ball install.
Seriously great vid , keep up the good work.
crazygeorgelincoln ruclips.net/video/nrrcfP4PJaw/видео.html
@@AllenHart999 - I did like the electrician comment too - haha and in a good way.
Great educational video, thanks a lot. I'm having a question regards this. I'm having 130 m^2 floor, and I'm planning to cover it with 13 circuirts, open loops system without actuators and buffer tanks. How can I be sure that my pump can drive all od the circuits well. My pump can maintain flow 25,8 L/min for delta 5 at 35 degrees celsius and it is variable speed pump with 32/102 input / output watts. Can I go with a single manifold or I need to split the instalation on multiple manifolds?
an informative and inspirational video, it was good to see what is involved with the tile laying, however there was no mention of other floor coverings such as laminate or carpet. With carpet what needs to be fitted on top of the panels before carpet is fitted?
Alos, shouldnt there be insulation installed against the wall around the edge of the room?
Thank You
Looks great Allen, Nice job, You can come do mine after my house move
Happy to help you if needed.
Good informative video. We are planning to get overlay in our house. What would be the plumber fee for setting it up? We have about 100 sqm. Thank you
Hi Allen. Thanks for the video. What made you choose this size pipe instead of 16mm. Will this provide same heat output. I'm installing this system in my brothers house shortly, have only ever done 16/15mm systems with clip system and then 100mm screed
Nice Vid... I saw you set the pump/blend temp to 40 degrees. How do you ensure the surface temp of floor does not exceed 27 degrees?
Hi Allen good video, question is could you just remove the wall radiator and connect the under floor piping the the feed and return
for the wall radiator? or is this just a stupid question.
so thats how its done! one question any reason why theres an external pump? when there is one on boilers. thanks
Great video, i installed a heat miser 4, but i am getting a back feed from the pump on the ufh to the central heating pump, the heat miser doesn't seem to have relays to prevent this. this creates a problem, for me, the boiler itself has connections for the pump, which continues to run for 5 mins odd to cool down heat exchanger. I was going to not use the pump connection and just use the motorised valve to control the pump. But i am now thinking i need to use some switch gear namely a couple of relays and a timer. I am just wondering is there a simpler solution? regards, Peter
Great video.....
I have a ‘vented’ system, the plumber has suggested changing this to a pressurised system, as this will be better for underfloor heating, claiming that he cannot connect to the existing circs, for the proposed underfloor heating to a new extension.
The extension is 28sq mts and is attached to an existing room of 26sq mts. This room has now had all joists removed and replaced with a concrete base. The whole area of 55sq mts with have 110 insulation and underfloor heating. I want to have hot and cold taps, in a toilet, at the far end of the extension. Is this why he suggested pressurising the whole system. And, can pressurising an existing vented system cause leaks later down the the line? Can he T’ off the existing 22mm circs for the underfloor pipework?
Hope you can help.
Regards
Hi Allen, I'm installing a small UFH heating system (3 zones) and a wet towel rail in a small 1 bedroom house I'm building. Do I need 2 motorised valves to make an S plan system. I'd like the towel rail to be on a time clock separate to the UFH. If you can let me know I'd appreciate it mate. Thank you.
Hahah, I love the fact you made a joke about sparkys with a straight face… quality!
The jibe at sparkies not knowing how to use a stiff brush was spot on. Can we have a go at spreaders in the next upload please Allen?
loafer sheffield It will not be the next video as I have some boiler and cylinder videos to upload but I will do underfloor heating with spreader plates in next few weeks, maybe a month. Thanks 👍
Allen. I wasn't referring to spreader plates. I was chunnering and whingeing about those baggy arsed, spotty tramps who apply plaster. Spreaders. They're muckier than sparkies and never clean up after themselves. The missus tells me that I leave a trail of destruction, dirty footprints and foul odours behind me, but at least I clean up after myself at work. LOL.
loafer sheffield 😂😂😂👍
can you add extra insulation (1cm foam) under this system?
what are the sheets made of? is it insulation or some kind of hard floor?
Thank you boss
Welcome
Hi Alan
On the pressure gauge is that the pressure simply from filling the system by the hose or did you have to get it to the correct pressure using the pressure tester ? And what should the correct pressure be ?
Thanks
Thank You
Do you only need to fit actuators to the manifold if you're splitting the system into zones?
Hi Allen. Many Thanks for this video again. I have just started my first UFH job. I don't know how to connect a existing combi boiler to UFH wiring centre. Any suggestions will be much appreciated.
Thank You
you are such a sweet human being.
E Mult chiaro complimenti chi gli anno preparato il vidio
E Mult O utile
Did you put the tiles on reflective polystyrene?
Hi Allan when can you turn the underfloor heating on after screeding and tiling please? Thanks
Hi alen I have all rooms thermostat four zones where can connect the cable in wiring box
hiya do you fully open the return valves
Hi Allen I’ve rang this company today for a ufh underlay system and they won’t quote me direct how did you get them to quote you ?
Really good video, but I would point out that it is against the regulations to use an earth core on a cable as a live conductor, even if sleeved, it is better to get a 4-core cable, as all live cables must also have an accompanying earth.
Great video, The bit that wasn't clear to me was how this all connects to the boiler in conjunction with the other zone valve and the other room being able to call for heat. Does the boiler have 2 sets of wires coming into it from 2 different wiring centres? and either can call for heat?
Yes ... That should be it .. the other rooms would have another stat with another wiring center ... to be controlled individually, he might have other type of heating in the other rooms ... He can heat one zone differently to the others .. that's the whole beauty of it ...
Hi Allen where to the 2 link wires connect up to
It is like an engine room is this the future with all those lovely copper pipes? How much will this set you back is the price per meter?
hi could you advise me if i could get this slim ufh system on the first floor bathroom with an existing maniflow already in the ground floor, i have a feed alread running from that ready but wanted to use something that does not require screed as its on the first floor.
Hi can we use two different pipe sizes with same manifold using an adapter. I'm thinking for using a 16mm pipe for my kitchen which has a larger area and 12mm pipe in hallway with wood floor which i will take out n install 60mm insulation between 100mm joists.
For multiple rooms how should go out to each and return to the manifold? Along the edge and back the same edge?
with underflorr systems is there a wieght limit that they can handle or does it not matter ? e.g if you had a gym room or a room with lots of heavy stuff .... ?
Is there any particular adhesive needed for this ?
Hi which wiring center did you use.... thanks
Much appreciated Allen. This seemed a reasonably simple system to fit. Only thing I wondered about was the lack of insulation onto a concrete floor and the potential heat loss or cooling effect. Would you recommend this method or should we really be digging up the pad and re-laying the floor with polystyrene (50 to 100mm) sheet. Massive, messy job especially when doing the whole of the downstairs in one hit. House is 1995ish construction.
Digging would be better really but this works for me. Thanks.
Look at lofit20 castellated panels, only 23mm total build up when self leveller put down and much better heat output than overlay boards because its 15mm pipe & you can do 100mm,150mm or 200mm centres and because you are heating a compound it will give better heat transfer than these boards