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uponor

Uponor Oyj is a Finnish company that sells products for drinking water delivery, radiant heating and cooling.
Uponor Group has approximately 3,700 employees.Uponor Corporation's shares have been listed on the Helsinki Stock Exchange, with ticker symbol UPONOR, since 6 June 1988. Based in Finland, Uponor is listed in the Mid Cap segment on Nasdaq Helsinki exchange.
The corporation's head office is in the city of Vantaa, Finland in the vicinity of the Helsinki airport.

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  1. thebobli

    Uponor C35 controller (red.dot version) is dead again

    After 4 replacement C35's, uponor in 2015 sent a red dot version, in 2023 it also died. No power to the unit. Is it time I should replace it with a controller from a different manufacturer? I don't want to rewire or buy more stuff. 4 wired wall thermostats, digital timer, 8 actuators are fine...
  2. T

    Making Nest thermostat work with Uponor C5 UFH

    Hi everyone, I just installed Google Nest Thermostat 3 Gen, made for Europe together with Uponor C35 underfloor heating system (my version of the Nest comes with a heat link, which is a separate device installed near my underfloor control system. The thermostat talks to Heat Link via wireless or...
  3. J

    Leaking UFH Manifold

    Hi, we have a leak from the underfloor heating manifold. It appears to be leaking from one of the thermal actuators (please see photos). It’s leaking about a cupful every day. So far, I’ve talked to about 10 local plumbers:– Contacted original installer. The admin person kept telling me that...
  4. T

    UFH Pipe - Which manufacturer is best - Rehau, Uponor, JG, Polypipe???

    Hi, I'm installing a large 8 zone UFH system into a new concrete floor we're installing at a bungalow. I'm looking at the pipework manufacturers and i can't decide which to go for: I want to install the best under the screed: I'm currently looking at for Pipes: Uponor Rahau Polypipe John...
  5. Christopher buzzard

    Uponor underfloor heating valve.

    Can some please identify the valve on this underfloor manifold ( with the black wire coming out of the top). Have an issue where the system is turning off every 10-20 minutes and staying off for a while then coming back on again. The room can’t get up to temperature because of this. Power was...
  6. J

    How to replace actuator pin valve (uponor)

    I have an actuator pin which is leaking when closed, i have swapped the actuator itself but that has not resolved the problem. I have ordered a replacement actuator valve but I'm not sure what i need to do to replace,,, if i put a spanner on it straight away I'm guessing that water will go...
  7. M

    Wirsbo/ uponor pipe repair

    Hi All. I hope you're well. I need a bit of advice. Someone is having their engineered floor replaced which was installed 20yrs ago with underfloor heating. As the flooring people were taking up the old board they noticed a pipe came up with it. It has had a nail through it for 20yrs with no...
  8. J

    Uponor UFH, do i have a stuck valve?

    Hi all, Thanks all in advance for any advice! (excuse my terminology - I am a basic DIY-er, but like to work things out) I have a wet uponor UFH system. I am getting hot water to the valve in the picture attached, but it is not passing through the valve to the underfloor pipework. The...
  9. F

    Replacement Parts for Wirsbo (Uponor) 1 1/4" UFH Manifold

    I have a Wirsbo (Uponor) underfloor heating system installed in my bungalow in 1999/2000 using two Wirsbo area packs. This was later upgraded by installing electric actuators and wireless thermostats in each room. However I have noticed recently that two of the rooms are not getting warm...
  10. B

    Wanted: Plumber to lay UPONOR MLCP in 1 room

    Hi, I am replacing the screed and pipe in one Conservatory room as the screed was shot and breaking up after ceramic tiles were lifted by my tiler. To be fair the screed must have been a bad mix or dried to rapidly in the conservatory heat. Currently the whole system (14 loops) use UNIPIPE...
  11. Chalked

    Uponor mclp fittings

    I have around 100 mclp crimp fittings in 16mm, 20 & 25mm. Tees elbows and sockets. Reason for sale is, main builder where I have to use plastic pipe, likes Uponor Q&E so I haven't used any for a year. if anyone uses mclp crimp fittings post on this thread. If any interest, I will take some pics.
  12. B

    Pin leaks under actuator

    Hi, we moved into a house with a 3 years old underfloor system. I notice a small leak coming from the pin (sitting in manifold under actuator). I think the leak stops once the actuator is removed and taken off the pin. I suppose I will need a new pin unit but as a similar leak seem to be...
  13. M

    Uponor free multitool

    Bought a lot of Uponor tube and fittings a few months back and got a Milwaukee multitool free of charge it's now packed up I've taken it to a Milwaukee agent to be repaired under warranty they wont touch it without a sales invoice which I don't have as it was free, Iv'e spoken to Uponor and as...
  14. ShaunCorbs

    uponor Mlc 16mm straight 5m

    Any one know where to get the above (straight length not coils) I've looked in the normal places but can only find in the eu many thanks shaun
  15. M

    Uponor 16mm pipe

    Got a cold main in this Uponor 16mm pipe that I need to connect onto. Been told by someone you can get a compression adaptor to copper, but I thought every joint was crimped. Anyone know if that's the case or how the he'll I can connect onto it without having to buy the crimpers ect. cheers
  16. H

    Barrier vs MLC pipe, whats the difference?

    Looking to install underfloor heating in a new extension and had already set on barrier pipe. The local merchant is an Uponor agent and is pushing their MLCP There is some variation on the construction of Barrier but most match MLC exactly so what's the difference?
  17. G

    Uponor underfloor heating

    I have a customer who has the above system, it has stopped working on the upstairs circuit. I have very limited knowledge of underfloor heating. I adjusted the balancing valve to try and force it round the 4 circuits to no avail. The flow meter phials have orange gunk in them and i am tempted...
  18. D

    uponor pipe/fittings

    can anyone give their opinions on ease,use,fitting of above also any problems ie mice chewing
  19. L

    Crimpers

    Hi all, i'm sure this has been raised a million times but I have just bought a cheap pipe crimper so before checking up on it I just bought it and it's probably the wrong type :/ so basically it's a "uponor mini 32" the jaws I have are 12mm, 16mm, 20mm, 25mm and 32mm. the main of my work is 15mm...
  20. T

    Anybody recognize the piping system in this photo?

    I want to move a radiator in my house and had a plumber come round and have a look. He said it was some sort of some special piping system that you need a special machine to join up. It is made up of 16mm piping. He referred to it as what sounded like the 'upnull' system and said he wouldn't...
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