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Are there fundamental differences in some of these TMVs?. The attached one, below, would seem to be the better type where a shuttle moves to balance the hot&cold flows, as it increases one flow it decreases the other to keep the mixed flow constant, necessary say in showers etc. I have seen...
I have two adjoining cottages, each with an identical UFH system downstairs. Both been going fine for around five years.
But for the last few weeks, one of the systems doesn't seem to be running most of the time. Essentially the UFH does "work", in that I can turn the thermostat right up, and...
Hi, as part of an extension/refurb project I will be fitting UFH over a new concrete floor as well as existing joisted timber floor. Both floors being within the same room.
My question is whether anyone has done this mix of subfloors before and noticed a performance/temperature difference...
Hi all, I've just had my wet UFH connected up and turned on for the first time in my new extension and I've got a couple of questions:
The screed was laid 6 weeks ago and my floor finish tiles haven't been laid but I'm looking to get them laid in about a week, so would like to spend the next...
Hi
We have an UFH system part of the house (large kitchen / dinnner and utility room) and then Rad system for rest of house (10 rads).
We have noticed in this recent cold weather when both UFH and Rad are on (ie thermostatic driven) the UFH is robbing all the hot water and not getting round...
We have a three zone heating system plus water cylinder (OSO Super S 250L) on an Valliant EcoTec 637. Two CH zones and a UFH zone. Boiler is rarely at maximum power rating, even at full tilt.
The UFH zone has it's own pump and the other two zones (three storey house) are just pumped from the...
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...
- Question
Hi folks, I’m in need of some sound advice.
We have recently had a ground floor extension and have had underfloor heating (company: JK UFH) installed throughout most of the downstairs. We have a few rads still left downstairs and the entire upstairs is still heated through rads.
We have a...
I have some strange noises coming from the system, the majority are caused by the flow meters, the clicking noise. But there are other noises, ive managed to capture these on a video, keen to see what everyone thinks..
- Question
The (rather sparse) manual with the controller that was supplied with my UFH (Hettaj describes the start sequence as - when demanded by the stat - valves open then pump runs.
As the programmability of the stat is very basic, I’d like to replace it with a smart controller the same as I use on...
I have a UFH manifold from Wundatrade with a Grundfos pump. The pump feed has a mixing valve which has a hot inlet from the thermal store, and a cold inlet from the return manifold. In-between the mixing valve cold inlet and the return manifold, is a tee which returns the cold water to the...
Hi,
I have a combi boiler that supplies hot water to two ufh manifolds. We only have ufh and no radiators. I am trying to find the most efficient way to heat our home. What would your recommendations be on the following ways to set our system up.
A) Set the ufh mixer to max so it isn't doing...
- Question
Hi everyone, we have a 1920s house with solid brick walls. The small front carpeted lounge (1.9 combined tog of underlay/carpet) with its own UFH circuit is struggling to get to 20 degrees. The UFH pipes run under about 5m of LVT to get to the front lounge.
My question is, can I boost the...
Just recently installed UFH .When all radiators and Ufh are on pressure normal floors are warm radiates are warm .When anything is turned off pressure drops to 0 with Worcester boiler flashing
I have isloated it to the UFH and not boiler or radiatets could this be anything other than a leak...
Hi - I little insight and guidance would be much appreciated.
My wet UFH was installed over a year ago by a qualified heating engineer, he went through all stages and did the pressure test as well, everything has been working nicely without any issues.
Now here is the unlucky coincidence - I had...
- Question
Hi, I need some advice on what wet UFH system to get for our renovation of a 1970s 3 bed bungalow. The house had subsidence so in the process of fixing that the floors were dug up and replaced with the following construction: hardcore base, membrane, 150mm insulation, concrete finish...
As above. Ideally it'd be less.
This might be the wrong forum for the Q. But the system is actually working fine. the system is in the 15mm insulation boards above a tar subfloor.
Are my next steps to start getting cavity wall insulation etc etc?
Hi,
I am appealing for some advice and direction on replacing the heating control system in my house. Ill try to describe as best I can. Looking for a bit of info as not having much luck with trades.
Oil Boiler operated by a Honeywell Smartfit Programmer. Not sure if its Y or S but controls...
Hi,
I have a 3 storey house built in 1904.
We put UFH in the house about 20 years ago. Works well with newish gas boiler.
Just curious... I know heat pumps are meant for tightly insulated modern house ... but..
Question: Given that my UFH is always at a low temperature - Could I feed UFH with...
Good day all,
I would like to get some advise and perhaps the solution to the issues with my UFH system.
We did install UFH in an entire house and got rid of all radiators.
The system is 14 port manifold (only 12 are in use) feeding 7 zones.
Total room area is 97 m2, with the biggest zone...
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