Thermostatic Radiator Valves - Plumbing Tips
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- Äas pĆidĂĄn 29. 08. 2011
- This video covers thermostatic radiator valves. How they work and how you can install them. We also cover which room to install them and why.
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Simple in principle,very clever in execution.
You legend! Just fitted a new TRV to my kitchen rad. The old one cross threaded after i took it off to paint behind it. I can't thank you enough. Keep up the good work dude!
I used this video to change the 7 valves in my house.
Great video. Many thanks.
Great Video, just overhauled my Radiator system with new thermostat valves with new radiator inserts and finished off by putting new inhibitor in the System. Keep up the good work, it is much appreciated!
Brilliant video, just swapped out 2 valves for TRVs today following your instructions, super easy when you know how, cheers!
Great video. Very informative especially the part about not fitting a TRV to radiator in the same room as main thermostat. Many thanks.
Excellent tutorial, i now have the know how and confidence to replace all my radiator valves for thermostatic ones.
Great videos. Simple, precice explanations about how our heating systems work. A born teacher.
You seem to be on a mission to save people money. Thanks for sharing your "How To" videos. They are fantastic.
Thanks great vid clear and informative, just what I needed. I wasn't sure the TRV would fit into the same space as The old type valve, but now I see how it's done. Just one question please ? can I use the old nut on the feed pipe or do I have to remove the old one and it's olive ? cheers.... Chris.
Great vids and advice mate. Question: how do I line up/bend the copper pipe to the trv when its slightly out by a couple of millimeters? Thanks!
love your videos! in my landing, i have 2 rads, 1 with TRV and 1 without (ie with normal valve) and also the room stat. i have been sorting the lockshield valves and am now confused. should both rads on the landing have the lockshield valves fully open?
Thanks for the tips - much appreciated!
Great Job !!!
Make it look easy my Friend !!!
Your Videos are Rockin !!!
Great video thank you! Unfortunately I took off my lockshield and fitted new one and no matter how tight or how much PTFE it still leaked from the bottom.
1) does it matter that it wasn't connected to the rad ? Ie would that have stopped the leak from the bottom had I connected the second end? (I'm guessing not but just checking!)
2) if not, I think I probably cut the pipe by accident as the lockshield was turning fully around on the pipe when I was trying to undo it.
Would you recommend using any PTFE tape when placing the olive on the copper pipe or is it just worth doing on the bottom of the lockshield thread ?
Thanks in advance and keep up the excellent videos!!
good stuff, great presentation, followed every word, and thats from a serious non plumber
Would keeping a TRV fully open in the same room as the stat be of any benefit, or do you still recommend converting to a lockshield? Ta muchly
Amazing tips, I didn't know that I had to leave the lockshield fully open in the room with the main thermostat.
Thanks for the video, but which end of the rad does the TRV go? Feed or return?
Thanks for video, very helpful!
My TRV is leaking and corroded (close to rad itself). Should I replace entire TRV or just the adjustable rad valve tail?
Nice informative vid Thanks.
I just bought 6 new TRVs to replace old valves. I'll need to swap the tails in the rads too. The thing is that the tails that are supplied with the TRVs do not have a flange between the threads and the tightening nut to stop/limit how far in you can screw the tail. When do do I know to stop screwing in? To see the kind of tail I have look at Danfoss TRVs.
Thanks in advance.
Top man . Always helpful tips
Any recommendations for rad valve makes. Great vids might be plumber in my dreams
Enjoy your channel. I've got a problem with a sticky valve, thanks to your tip I can fix it but then it sticks again. Will a squirt of WD40 unstick it? I will replace the whole valve in the summer
Very good and informative video. Just what I needed to change all the valves on my whole central heating system. Hope all will be OK.
CAPRICORN Let me know how you get on! Thanks for your comments, PP!
don't know what i would do without you mate.
Cheers Jackie!
Thank you for uploading all your videos/
Mate i'm doing a plumbing course in my own time and a lot of it is reading and book stuff...seen all your videos and they really help! nice one! funny shit as well!
great, useful vids.
I recently moved into a house we're the only radiator not to have TRV is in the bathroom.
Our thermostat for the boiler is a wireless one.
your video says you shouldn't have a thermostat in the same room as a radiator with a TRV, I do understand the reason behind this.
At the minute I got the thermostat in the living room with the TRV set at 5 (max) to try and leave the radiator open and stop any interference with the radiator switching off before the thermostat is up to temp. but i do think sometimes the radiator shuts off before the thermostat is up to temperature, also I'm finding is the bedrooms don't seem that warm which are all set to 3.
Any suggestions of any other way around this, there isn't a radiator in the hallway.
Also the TRV's are labelled 0 - 5, is there a set standard of number to room temperature
Crackin' tips as always!
Thanks for this video, very useful.
+russelfrancis Thanks for the comment Russel!
Hi my hot water in is in the bottom of the radiator as in this video but some people say we need to place it upside of the radiator to make it work efficiently because the heating air rises up so if the valve is placed up the heating air will rise up and valve will get the real temperature then. What do you think?
Thanks pp like uour informative vids
Great little informative video keep it up fella, HOLD TIGHT đ
Crackin tips as always.
Hi, I have a trv and the pin doesn't move at all. It appears to be fully up but the rad doesn't heat up? tried bleeding it and no air comes out, just water. Can you suggest anything? Many thanks, great videos, very helpful!
Hi, very good videos. I have an end terrace built 1995. water tank up in the attic. boiler as usual in kitchen. all radiotrs in house working fine except the living room one on ground floor. it was working but in last 2 weeks has stopped working. pipes going to it are cold too. so far all i have done is open valve fully (the one on right hand side of rad). no effect. I have seen that another issue is the TRV might not be working (pin stuck), i will try that this eve. I also had curtains covering the TRV so that could also be an issue as it cant read temp? I havent tried bleeding yet. if after all this the pipes are still cold what else could it be (i have also tried rebalancing). My main concern is why the pipes to and from rad are also cold, could there be a block? or is that nothing to do with it? thanks in advance, Craig
How important is it to fit the TRV to the inlet side of the rad and is it essential that the arrow cast on the TRV body follows the water flow? I'm looking at a Draytron TRV4. Many thanks
Mate, you make me chuckle, BIG! Great tips, great vids, nice to see someone who really knows what they are doing helping the masses! Yea-yea! BO! :)
Do TRVâs work in flats with communal heating? We dont have a thermostat in the flat, we can only turn our radiatorâs on or off.
What is the general opinion of leaving all rad valves fully open,(one floor bungalow),and control temp with a remote thermostat.
love your videos mate... helped me alot
+Hamza Khan Cheers!
thanks this is really helpful for the future if it happens to my radiator unfortunately i cannot find the key to remove the air out :(
Dear Mr Plumber, please can you let me know if I must install a trv in my living room radiators with 1 small &1 big radiator. I have a combi boiler. The thermostat is installed in the living room. Thank you.
Just what I need done badly. Thank you very much for a brilliant tutorial.
If I do this change because upstairs in my house I have a very high temperature specifically in one radiator, would it be possible to use a pipe freezing kit instead of a complete draining? Just because I share the house with other six people and I wanna be really quick. If not before I drain the system shall I only go to the the thermostat and set to the lowest temperature so it shuts off a completely the radiator or am I going to electrically shut the boiler off as well?
With the rad in the hall with the the room thermostat you said locksheild fully open? What about the other side the manual valve with plus and minus? I donât think my locksheild has ever been fully open only about half a turn thanks
Great video thank you .
+1billwill No worries!
Sub here please>> czcams.com/users/plumberparts
good one mate
very good
hi could you do a video explains how a diverter valve in a combi boiler boiler works?
If on a combi system can i just depressurise the system and then pull a vac on each rad by leaving the bleed screw shut, shutting of the return valve and quickly changing over TRV. Do you think the vac will hold?
Advice re re-filling the rad again - do you just use the key & bleed it of air? (rest of vid, great, keep up the good work)
I have a trv in the room with the thermostat should it be set to maximum then?
Top vid.
My radiator both ends are like lockshell, I want yo put one side of them TRV which side of the radiator should it fittings in too? Thanks
great video will be doing this once iv changed the actuator over :)
+Christoffason Evo Good luck!
I've just moved into a house with trvs (first experience with them) when it's cranked up to 5 seem to be getting a hissing noise, which stops when turned back down when I say hissing it's like the water rushing through kind of noise??
hi
I have a mega flow system but want to add a radiator in my home .. what is the procedure to do this. I had a gravity system before which i knew how to refill, but i am unsure with this mega flow system.
please help
many thanks!
Thank you! I live in the US and have Myson radiators on a boiler system. The system was not installed with TRV's in each room and I would love to have them. Do I just need to make sure there is a bypass before I install these so the hot water will continue through the rest of the zone? This sounds dumb but nobody here knows anything about this system (it was brought here and installed by the previous owner who was from the UK) when I call any professionals they have no idea...
Bypasses are always a good idea! SUBSCRIBE! âĄïžđ czcams.com/users/plumberparts đâŹ ïž IF YOU HAVEN'T ALREADY! đ
How would you attach a thermostat horizontally? Can the pipe go vertically up from the thermostat and across and down into the pipe? The top of my radiator is hotter then the bottom.
Does it matter which side of the radiator you fit your TRV to?
I have no idea which side is the flow and which side is the return! I have two lock shields and want to follow your vid but donât know which side to install on!
Hello ,
I have a heatline compact boiler and it has been working fine for about 6/7 years .
It heats the radiators and hot water to sink and shower ,
It has now stopped working correctly to the shower .....only the shower .
It runs hot and cold ?
The stat in the shower was changed but it made no difference .
It is mains fed , the shower will run ok at first ,then start to fluctuate between hot and cold .
Any suggestions welcome , ......I need a shower !!!!! and I wont fit in the sink ..... ha ha , photos attached .....not of me ,,,the boiler .
Kinds regards .
Niall O Connor
excellent thanks.
No worries. Glad to help!
i am having trouble when i fit the small union valve into the radiator. i am getting a leak i did use 10 wraps of ptfe tape. but i am using this with an extension valve. an doing it clockwise as shown. please help this is killing me.
which side of the radiator should you place that
I am installing a new radiator. However, the new radiator has a 25mm thread and the heating system is 15mm. Can you get a 15mm - 25mm TRV?
How can I tell which pipe is the in-flow pipe - without turning on the c/h system? Thanks all.
Cheers mate great
+MrBugger1t No worries!
Very good, however PTFE tape on an olive - no need surely?
Quick question, does the valve always get installed on the left side of the radiator? thx
no, all mine are on the right
Great info video but if I may, just one slightly important aspect of installing a TRV that I believe you missed in this video is that it must be oriented correctly on the IN FLOW of the hot water as if you put it on the return flow it will not work as per the last post or similar. Obvious to pro's but to DIYers it is not. You need to check which is the IN flow of hot water before attaching the TRV. Check the arrow on the valve. You do this by turning the heating on and seeing which side gets hot first! Not rocket science BUT crucial!... and omitted in the video. You can fit it on the return flow but it must be at 90 degrees to that of the in flow. i.e. TRV appears to be horizontal. I mention this as a numpty DIYer did this on a house I moved into and the rads did not work. Hope this is of use.
Jonathan Harrison Hi John and thanks for your comments. We are going to film an updated version of this video over the coming months with this amendment included. That being said it is now hard to by non-universal TRV's on the market.....obviously make sure before you do....and then it can go on either end!! Many thanks, PP!
Another good one mate!! Firstly, nice legs by the way; last time I seen skinny legs like that there was a message tied to one!!
TRV's; should where ever possible be fitted with the head on the horizontal plain, away from the radiator.............Fit it like you did & you'll get heat from the rad, it'll shut it down too quick.
Catch ye..............;-)
you should do a vid on bunging so how many d.i.yers get that wrong
Wich end does the thermostat go or doesn't it matter?
My radiator valve appeared to have fallen off during the night. When I go to try and get it back on the threads won't seem to meet what can I do ?
I purchased new Ottinetti TRV and the default setting is at * and I can't seem to dial it to any number. Is there an TRICK to this?
My rads have no trvs......how do I know which side to close to balance the system pls.
They look the same.
Thanks
The radiator valve spanner I bought from toolstation is slightly too small for my radiators! Suggestions!?
Should each room in a house have a TRV? If so, should they be turned up to the highest number. Thanks for your informative and helpful Video.
We just have a thermostatic valve and lockshield installed but the radiator is cold. How do I turn on the radiator with the new type lockshield?
+Linda Coventry The same way
Quality fucking video fella, well helpful !
Quick Question: I been watching your vids and I've attempted to change my valves,
Looking at the Rad, the valve on the right will close, but! The one on the left is stuck
And no matter what I try it won't budge even used Mole Grips but still even belted with
a Hammer but it's stuck fast, both ways righty tightly, lefty loosely bloody nothing,
Can You Please Help!
+TheAudiostud Drain the system and change it mate. It's hassle but a valve that doesn't close is useless!
+plumberparts thank you, yes! Looks like it, cheers Fella
@ThePelan76 The pin or button that the stat presses will be stuck, give it a (very) gentle tap with a hammer or use pliers to get it moving up and down again, a bit of wd40 won't be wasted either.
Boss white,ur thoughts??
No use as an anal lubricant. Just a thought.....
Cheers
You seem to have forgotten the problems with TRV , 1. don't ever fit if you have long drapes, 2, don't fit if you have a settee in front of the rad ,3, don't fit if you have a radiator cover, and don't fit to every rad encase your boiler has an over run on it .. don't forget to mention to keep the cap to shut the trv completely off if you decorating a room in cold weather.. and want to remove the rad...
I have a thermostat that doesn't stop the heat when i turn it to 0 ,it worked fine till today.Any ideas ?
Abaianit Cristian Knackered thermostat I'd say (or a frost stat keeping the heating running)
+plumberparts I'm having the same problem with a small rad in my hallway, won't turn off when heating is turned off via thermostat
5:14 I assume the wrapping direction is important?
+Sion It is....
plumberparts with or against the thread?
Pulling on adjustable wrong way round everything else is within the standard Mush
Shocking
You could take over from Tommy Walsh, cos yo got it bud! booyashaka !!
I love you videos but 2 mistake one NEVER PUT PTFE ON A OLIVE , and 2 never reuse an old nut and nut due to corrosion and crack in the thread and last thew heard putting pressure one the pipe you had to lift up the heater to align ??
Great video must get the wife to watch this ,i have explained til ime blue in the face,she just will not leave the bloody things alone. she has been married to me for 41 years ,yes ime now 70.retired old school plumber,but will she learn not in a millions years women.
Can I please have a reply to my yesterday comment please? Thanks in advance
Antonio Galluccio I canât find it. Reply here please! đ
Never use a thermostatic head vertical, heat from under wil it make close faster than it normally should do.
En why are people grips so much instead of 2 spannners?
Grips will damage your valve and there is no need to do that. Use 2 spanners al the time!
Ohhhh please!
Keep trying you will learn the trade eventually, almost there young man .. a few more years of studying and you will get there. 7 out of 10 for effort . but do try harder âŠ