underfloor heating

Hi, I need bit of help with understanding a fault with my underfloor heating system. I have a Vaillant EcoTechPlus 637 system boiler. Hot water from the boiler is divided 3 ways using Honeywell 2 Port valves - Hot water to a cylinder, Radiators Upstairs and under flor heating on the ground...

Hi all, I hope you are well. I have recently moved into a property with underfloor heating. When we moved in there was no water pressure in the boiler and we noticed it only took a few weeks after filling up to drop to zero. After investigating we can see the JG Manifold is leaking in several...

Afternoon all, Looking for ideas/ suggestions on programming my central heating. We have a relatively large house with only 2 of us in it most of the time, heating installed is as follows. Downstairs ( hall, living room, open plan Kitchen/ dinning room and family room, WC and i utility all...

I have a fully operational 2-zone wet UFH system in the ground floor of my house. Suspended floor with PIR boards between joists, pipe laid on top in a S&C biscuit screed. Builder ran the flow and return for one of the zones under the joists of the cupboard under the stairs. The stairs go...

Hi! Hopefully somebody will be willing to help me with this issue? I have bought and installed a underfloor heating system. I have followed all of the instructions on installing and priming it and I am satisfied that I have done a good job! however, the system does not seam to circulate! I...

Hi thanks in advance, I feel cheeky getting free advice! I moved into a new build that was supplied with a Fiamma electric combi boiler from https://www.electriccombiboilerscompany.com/ and a wet 3-zone underfloor heating system by ambiente. Most of the flats have had problems with seized...

Hi DIYNOT I've searched this forum but not found anything matching my current issue, so please kindly help me. I have a property with wet underfloor heating, a REHAU system with 4 zones each with their own REHAU Star 20 thermostat. These are basic analogue dial thermostats. My intention is to...

The previous owners of the house I am buying removed the bath from the bathroom, and made a wet room with underfloor heating and large floor tiles. When we move in, I'd like to add a freestanding bath. I'm able to do the plumbing etc. My concern is weight. The floor tiles and underfloor...

I am having a plated underfloor heating system installed between the joists of my suspended timber floor throughout the house, so, I was wondering what the best subfloor type is to lay over the joists when the UFH has been installed. So the floor joists are at roughly 450mm centres which is...

Hi all, I have a bathroom which is quite small I'm size, the overall size is 2.4m x 1.7m. It will have a bath 1700mm x 600mm. It will also have a vanity set which is going to be another 300mm depth. The space in the middle will probably be 1.5m x 1.5m or 1.5 x 1.7m tops. This will all be on a...

Hi all, so, i've approx 1.5-2sqm of floor to heat up in the bathroom. I'm replacing the rotting floorboards with 18mm green t&g chipboard floor panels. What's the most appropriate heating matting to use and how would i prepare the floor considering i'd like to top it off with karndean, amtico...

Hi All, First time I've ever posted on a forum. I was wondering if anyone can help me please. I've had a new heating system installed for a couple of years now but have an issue with our underfloor heating, connected to a Nest thermostat, probably the wrong thermostat to use but this is the...

Hi Guys I'm currently starting a new UFH business in Scotland and was looking for some insight from locals on there experiences with other underfloor heating companties (Installers And DIY enthusiasts) in Scotland more specifically. What services or products are lacking/what you would like...

I seem to have what must be a common problem when using underfloor heating with a boiler however I haven’t managed to find a standard solution online. The boiler cycles at a high frequency due to the difference in boiler power compared to what the underfloor heating manifold will accept. Setup...

Hi, can anyone recommend suitable replacements for WLTA-19 2-wire room thermostats? Two of mine have stopped working. OJ electronics no longer makes them, and they haven't been able to identify any replacements. The manual for my WLM Hydronic control system (also OJ, and also discontinued)...

I know nothing about building. At all. Our new orangery floor with underfloor heating was screeded a month ago. The lift and slide doors were put in today and fit flush with the screed. But the vinyl tiles are going to add 5mm to the height of the floor leaving a trip hazard at all the doors...

We have underfloor heating on the ground floor of our house (wet underfloor heating system). The upstairs is radiators. Both work off the boiler. We are finding that when the thermastats downstairs and upstairs are both set to heat the whole house, only the ground floor underfloor heating gets...

I have a Devireg 550 fitted to control our under floor heating in the bathroom. However, the controller seems to have stopped working and is not displaying the screen settings correctly or switching the heating on. How easy is it to fit a new controller? Do I need to buy the same type, same...

Hi, We have had an extension built and are having the layout of the house completey changed so thought it would be a good time to install underfloor heating. I'm a boiler guy by trade but have never installed UFH but it doesn't seem too complicated. Firstly I assume that in the new extension...

Hello, I've recently bought a house that was build about a year ago. It has underfloor heating (wet type, running off an air-source heat pump). The other day I noticed the low-level underfloor vents had water around them, as you can see in these photos. 20190101_141831 by hellopaul2 posted 9 Jan...