– Hey guys, how’s it going. Welcome to this video. Today we’re gonna be looking
at a cost effective solution for your Combi Boiler if
you’re in a hard water area. So what we’re gonna be doing
is fitting this Combimate on this Combi Boiler
and I’m gonna show you how it’s done. Please subscribe, and
also there’s a competition to win some in this video. Hold tight. home
of find your plumber. Whilst I’ve got a few
minutes it’s a good idea that we actually have a look and see what the Combiphos pellets do. How they work is, they
attract the hard water like magnesium and calcium
particles, and they coat them so they don’t actually cling to any of the internal components
of the heating system or any of the water
system that you’ve got. This is especially important
if you’ve got a Combi Boiler like the one we’ve got here. They’ve got what’s called a
plate heat exchanger in them, which means the waterways are very narrow. If calcium and magnesium,
which is effectively scale, can build up in those
areas, then you’re gonna get a problem with the plate
heat exchanger in that boiler sooner or later. What Combimates do, is
completely eradicate the problem that you could have for that
boiler, in a cost effective one stop shop solution. So what we’re gonna do
on this boiler here, is we are going to fit our
Combimate, nice and low, out of the way. We’re gonna try to keep it out of the way of this plug socket here as well. But what I’m gonna do
once we finish this job is just give the
electrician a buzz as well, just to make sure that that’s all okay. So there’s a few steps that
I wanna take you through where I show you how to fit
one of these Combimates. They’re really really
simple and easy to fit. But if you follow the
instructions that come with ’em, you’ll be absolutely fine. They are set up for 22mm
and for 15mm, so make sure you buy the right one. But today we’re gonna be installing it on this 15mm copper pipe behind us here. So let’s have a quick look
firstly at the installation we’ve got here already. And then ascertain and plan exactly how we’re gonna do this job. So the four pipes we can see up here going from left to right are the hot out, the cold feed in, and
then the flow and return for the heating system. If we look down we can
see we’ve got a valve and also an anti-hammer
device on our cold feed in. So we know that we can isolate
the cold nice and easily, and then when we go further
down we can see that our cold is attached to our filling loop. So what I’m gonna do, is the
cold elbow that you see there, we’re gonna sweat that
off and change that over for a straight coupling. And then where we were once going across on this cold feed here, we’re
gonna pop an elbow there and point that downwards as well. Then we’re gonna set our two pipes over the top of the flow and return, and then go further down to where we’re actually going to fit the Combimate. What we need to make sure
of, when you fit a Combimate, make sure like I said,
look at the instructions but keep it 450mm away
from any heat source. Because if it does get too
hot, the Combiphos Pellets inside, that we’ll talk about in a minute, will actually degrade quicker. You don’t wanna be
changing your pellets over before you have to,
just because you put it right next to a heat source. So now that we know what we’re
gonna do with the pipe work, I’m just gonna show you
the Combimate itself. The first thing you see when
you open up the top of the box is a soldering warning, okay? Sometimes the plastic material may crack after prolonged contact
with soldering flux. The acetal body of this
Combimate in particular must under no circumstances remain bearing any trace of any
type of soldering flux. The scale reducer must not be
installed in airing cupboards, where the normal ambient
temperature exceeds 30 degrees C. So number one, read the instructions. Don’t do what most people do and don’t read the instructions. Read the instruction on
everything that you do. And if you read the instructions on this, you’ll find out that really
you don’t wanna get any flux near the Combimate whatsoever. Secondly as well, Combimates
don’t really like to be in hot environments. So if you’re gonna put
them in an airing cupboard make sure that the ambient temperature isn’t over 30 degrees C. Purely because the warmer
the ambient temperature, the sometimes the quicker
that the pellets can dissolve. These pellets should last easily a year. But you don’t want to dissolve
your pellets too quickly purely because you didn’t
read the instructions, and put it in a really hot environment. And the same goes for the
450mm rule, for keeping it away from hot things like
this radiator behind me. Or keeping it under the boiler,
cos obviously heat rises. And therefore it won’t be so warm. We’ve got our Combiphos
starter pack pellets. But you can buy the
replacement ones online easily. Make sure when you buy
refills for this stuff that you buy the official proper pellets. We’ve got our little
loosening tool for the nut on the top of the Combimate. So I’ll show you that in a minute. We’ve got some bedtime reading. Make sure you read the installation guide. I will be in a sec. And if were open this
up we’ve actually got the Combimate itself. Let’s have a quick closer
look at the Combimate now. Firstly, non-return valve is
fitted on the inlet as standard there a non-return valve
inside every one of these, so if you’ve got a question right now about non-return valves on
these it’s on the inlet, okay so you don’t have to worry about that. Secondly, really cool
intuitive design here. When you wanna take the
cover off you push these two bits in, and there’s two
valves on the back that will automatically shut the water off, so when you come to change the pellets you don’t have water going everywhere. So then guys, I’ve got my Combimate out of the box and everything. I’m just gonna pop it to one side now, because we’re not gonna need it for this next section of the job. Well not for a few minutes anyway. First thing I’m gonna do now
is switch the boiler off, make sure that the boiler
is electrically isolated. And also switch the water off, okay? Turn the water off. It’s easy for us because
we’ve got a valve up there, a nice lever valve. Someone thought about this job
and put that in, thank you. But often you’ll find
that your cold water valve is somewhere else, okay. So make sure that you know
where that is beforehand. Make sure once you’ve turned the valve off and you’ve got the water off
that you open the hot tap, open every hot tap in the house, and make sure there’s no water coming out. Because if there is water coming out, you won’t be able to do any soldering and you won’t be able to
move onto the next stage. Also for this job we’re gonna
have to be really careful about getting water on that plug. I don’t wanna die today. So what I’m gonna do is find
a way of making sure that we don’t get any water on
there or any splash. Because even once we’ve
got the water off here, those two pipes run up that way, there’s still gonna be a
pipe’s worth of water in there when I cut those pipe in a second. So I’ve got to make sure we don’t get any water on them plugs. So, watch me cut the
pipes, cut the bits out that we need to do, and then
we’ll move onto the next stage. (upbeat jazz music) Right, so now that we’ve
got our cold pipe tail, we now know that we can do
a little bit of design work. I’m just gonna whip this off here, we’ve protected our plug under there from getting soaking wet. A bit of forethought helps, doesn’t it. What we need to do is
then figure out roughly where we are going to
instal our Combimate. We’re far enough away from this radiator. I’m not too worried
about these pipes here. I think we’ll just pop
our Combimate just here, like so, and then we know
where we have to pipe up to. Now looking at the back of
the Combimate, you’ll see it’s very easy to pop these off. If you just press these two here, this front cover will pop off like so, and then that’ll expose
the four screw holes that you’ll be measuring up in a minute. So then, we’re gonna measure down 450mm, and just gonna check
this one here, perfect. No problems there whatsoever. So now we know that we’re far enough away from the heat source so
there won’t be any problems. Emma’s just got home, she’s not very well, but she’s gonna make me a cuppa tea. Actually nah I don’t
fancy a cuppa tea, Emma. Nah I’m alright thank you. So as always, do the basics first. Still got a little bit
of water coming out here. But just do the basics first. Make sure that whatever
you’re gonna work on you’re gonna make level,
so we’re just gonna run our plumber rod across
here, we’ve got our level there. And then we know that we can
sit our Combimate just here. What I’m gonna do, is I’m just
gonna get my spirit level, measure down from the
centre line of this pipe. Cos it’d be nice if we
could just had to do a little set on that. (upbeat jazz music) Right, and then we’ve got our
holes marked out ready to go. All I need to do is drill
and plug, screw this up, and then we can get our pipes
measured up and popped in. It’s also worth saying at this
point that we’ve just popped a scanner on here to make
sure that we aren’t gonna nick any wires, and there’s
nothing down here apparently, so let’s hope I don’t die
in the next few seconds. ♫ I pray to God, my soul to keep. Right, so we’ve temporarily
got this beast in, what I’m gonna do is just
clean my pipe down now, get all this pipework cleared up. Right so there we go. I’ve got the preliminary pipework in, now we know exactly
where we need to go to. I’m gonna solder up, as
you can see down here I’ve got a little drain-off, so if we get any problems later on or anything like that or you
wanna drain this lot out, you can drain this little leg here. And then I can show you how you can put your Combiphos pellets in there, and actually how one of these works. And then, I can tell you
how you can win one of them. (upbeat jazz music) Right then, so we’ve got
our Combimate installed now, we’ve got all these nicely soldered up, all nicely cleared off. We’ve ensured that even if
there was the slightest flecks of flux or anything
like that going on here, we’ve taken that off as well. There’s not gonna be any problems there. We’ve also been nice, we’ve
thought about anyone else who’s ever gonna come here. We’ve put a drain off
here, so anyone can turn that valve off there, and then drain everything off from here if they leave the Combimate in. And then they can take this out. So now what I’m gonna do
quickly is just quickly flush this through and
make sure it’s all okay. Then I’m gonna commission
the Combimate for you. So the first thing we’re gonna do is screw on our dome again. Make sure that our little
cap at the top is at the top. Also if you’re doing
full system protection, that means that you’re
putting this on the cold feed into the whole house,
then leave this shelf out. If you’re doing single
appliance protection, like we are now. So we’ve got a single
appliance being the boiler and the hot water system. What we’re gonna do is pop this shelf in, and that means later on
when we put the pellets on, we’re only gonna put
approximately 400 grammes worth of pellets. Meaning half of this. Those pellets should last a year, which shows you how long the
pellets can last overall. A refill, if you buy a refill
bag, could easily last you a couple of years. So, let’s pop this in now. (upbeat jazz music) Also note the many different combinations in which the Combimate can be fitted. In order to keep the filler plug upright it may be necessary to rotate
the dome relative to the base, and relocate the divider tray. So we’ve got our Combimate installed, we’ve got the water back
on, we’ve tested for leaks, it’s all fine there, and now
we know that the hot water side of this system is protected by Combimate. That means that we’re not
gonna get any problems with the plate heat exchanger
on this boiler anymore, and it also means that
the internal components of the hot water side of this system will also be protected from scale. So how would you guys like
the opportunity to win one? We’ve got four here to give away. I’m gonna give away one on YouTube. If you’re a YouTube viewer
all you need to do is click the like button on this
video, and also tell us… Boom boom boom. If you’re on Twitter all
you need to do is follow and share this post. If you’re a Facebook follower,
exactly the same thing. And if you’re on Instagram as
well, exactly the same thing. We’ll pick a winner on
the last day of June 2017. So if you’re watching after then, by all means like the video,
and give us some love, but I’m afraid these will
have already been given away. Also, I need to make a small confession. The fact that I opened up this one here, to do some filming with, and that means the Cistermeister tamperproof
seal has been broken. This one here, I’m gonna
put some extra goodies in, and that is gonna go to a YouTube viewer. You guys on YouTube, I love ya. Right, so guys if you need anymore help or anymore information please do comment in the comment section below. You can also email us at
[email protected] Or you can contact
Combimate or Cistermeister and ask them any questions. Hopefully we’ve covered
most of the basics here. I’ve fitted loads of these. To be honest I’ve never
had a problem with them. Alright guys, so everything’s
done now, I’m just gonna pop these in the van, remember
to enter that competition, there’s four of these to give away, and remember to hold tight. See ya later. (upbeat music)

100 Replies to “COMBI BOILER SCALE PROTECTION – CombiMate Review”

  1. Cistermiser Refill Combimate Siliphos Balls – Another usful and interesting U Tube video, Thanks for showing how it should be installed 🙂

  2. iam looking to install a water softener in my house. i have a valiant boiler. 3 bathrooms and 2 sinks. which water softener would you recommend. 4 bed house. many thanks for your help. my e mail is [email protected]

  3. these kind of pellets are toxic. Any water that come in contact with them is not suitable for drinking or for washing your dishes.

  4. They're called Combiphos pellets. Although I prefer to call them Marjory, or Barry. In the unlikely event I win one, I'm happy to have the one with broken seal on the box — quite fancy putting one in my own house rather than a customer 🙂

    Keep up the great work. 👍

  5. siliphos pellets

    i'd love one of these – just had a never megaflow 125l dd unvented direct installed due to the 10 yr old one being scaled up to the nines!

  6. just applied for an apprenticeship with Bellway homes, really hope i get the oppurtunitie, really want to become a qualified plumber and watching your videos has helped me they are brilliant and broke down and well explained. Thanks for all the uploads

  7. Soliphos pellets or on the packet in the vid the balls were called combiphos. Big fan of your work and was great to see you at installer the other month👍 hold tight 😼

  8. The mini expansion vessel should have been moved so it is after the combi mate due to it having an internal check valve. The boiler in question has preheat and needs the mini expansion vessel

  9. Personally I'd call them the 'mutts nuts' but I guess the marketeers would have a problem with that 😉
    I see your vids have been polished ~ nice ~ but keep the cheeky geeza banter going 🙂

  10. hello there, I have limited space to install combiemate was thinking of buying this (CalGlow Magnetic & Electrolytic Scale)  Inhibitor). would this do the job?

  11. I must ask who installed that boiler? Oh my god it is so not up to code for both water and the big one that no one else in the comments i think has noticed is… The boiler is on a plug in a socket which is under the boiler! BIG NO NO! I just simply cant believe it i mean WTF!

  12. What is this?! My broiler still got scales on it and now my penis is all coiled around the ceiling fan!! Please call help.

  13. I've had a combimate for about a year now so it's due a change, do I have to unscrew the front, empty the old balls out first, screw it back on then fill it up with new ones? Also will there be some water in the combimate when I take the compartment out for refill?

  14. Links to the tools I use everyday here:

    Plus, follow my Vlog “TimesWithJames”:

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