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Thought this was worth sharing, as after many years of thinking you have to get in touch with Tado in order to change the boiler flow temperature when you are using an OpenTherm style connection (BUS, eBUS etc), it turns out the options are available to us, but only using the Tado for Installers App, or the web settings which are quite well hidden away. After much trawling on the web yesterday, I only came across one mention of this Tado for Installers App, though i had seen it in the app store, i just presumed that all it did was supply instructions for wiring boilers for installers, which it does, but also has a few more tricks up its sleeve. In order to connect to the OpenTherm connection on your boiler (and there are many different versions, but all are 2 wire digital, so are connected in the same way), you either need an older Extension Unit (V3), these start with a serial number of BU, or the newer starter kit, but currently only the EU version has the digital connections. There is a mention of a new version being released in the UK which will have these connections, but for now you will need one of the mentioned units. Once connected up to the boiler, i had previously assumed that no further config was required, and Tado were the only ones who could change flow temp settings...wrong! Either open the Tado for installers app, or browse to https://model-selector.tado.com/ Enter the serial number of your Internet Bridge, and the Auth code which is printed on the side of it (this assumes the system is setup and linked to your tado account). You will need these details for both the app and the web portal, so if they aren't easily accessible, write them down. Serial number of the IB is in the main app also. Once accepted, it will show the following: Mine is obviously already setup, but if these details are wrong, click Edit Boiler Details, which will take you through a manufacturer and model search. Once the correct boiler is selected, it will show you the recommended digital config, and also the wiring instructions for the specific boiler. Once all the details are correct you can check the status of setup, and it will show something like the following: If data can be read from the boiler, then the digital connection is working. If not, we can change the communication protocol to match the boiler, but this can only be done via the app for installers. From here press on configuration Select the correct bus type, The Dxx are the digital connection types supported by Tado. If you are unsure which protocol, contact the boiler manufacturer, or consult the install guide. It will show a confirmation screen like the following before you submit At this point I disabled the activate hot water control, so my boiler isn't a system boiler, but like a lot of modern boilers, has a comfort option whereby it has a small tank of water which it can preheat. I don't use this feature, hence turning this off at this point. Once this setting goes through, please check the boiler settings to ensure that comfort mode is turned off, and once set it will stay that way, and hot water control can be controlled via the boiler control panel directly. Back on the web interface, if you wish to change your boilers flow temp (since using OpenTherm/Digital overrides any local settings), simply press on the following button, set the temperature and confirm, and it'll update on the boiler after a few seconds Final feature i discovered was the ability to run firmware updates of the various Tado devices, these are of course automatically done, but if any issues have occurred you may need to force manually, this is done via the app, by pressing on the following button I'm pretty sure this will be of use to lots of people, and will save a lot of hair pulling!! Moderators - Would you be so kind to pin this post either in this forum, or move to whichever seems more suitable

Hi after some assistance, does know of a thermostat that can be installed in a bathroom. The heating is wet UFH. Ideally a wireless one, as would be easier to install. The problem I have is, the thermostat is outside the room and I was going to have a probe through the wall. But we moved the bathroom around and I now have a shower the other side of the wall.

I have recently had an LG Therma V monoblock 16KW Heat Pump installed. It has been fitted with a Honeywell T3R thermostat. It appears this thermostat has a cycle 'feature' When the room temperature is within 1.5 degrees of the demanded temperature the thermostat goes into a boiler cycle mode. In this mode it cycles the boiler on and off a preset number of times per hour. When installed, the setting was 6 which means the boiler is on for 5 mins then off for 5 mins (6 times/hour) On this heat pump this serves no purpose as the pump takes more than 5 mins to start hence power is wasted while running the circulating pump to no effect. If the thermostat cycle time is set to 1, as described in the installation booklet, then the boiler is on for 30 mins and off for 30. This at least allows the heat pump to start and run but due to the slow warm up has little effect before it is switched off again. I can see the cycle time might work for a gas or oil boiler to maintain a background heat level, but with a heat pump all it seems to do is waste energy! When the room temperature is more than 1.5 degrees below the demanded temperature the thermostat switches on in the normal manner until the demanded temperature - 1.5 degrees is achieved. In practice this means that the thermostat temperature has to be set 1.5 degrees above that desired as the cycling of the thermostat largely achieves nothing except wasting energy. Has anybody any suggestions for a 'non cycling' programmable wireless thermostat or will the HP accept a modulating thermostat?

Planning to use electric UFH for first floor bathrooms. My last experience of this was based on a WarmUp system installed as part of a kitchen refurb by kitchen supplier. It included a thermal probe that switched the system on/off. Worked fine for 3 years and then the probe failed and as it was laid under the ceramic tiles could not be replaced and leaving the system on all the time was too hot so effectively never got used. Reading other threads I guess I could have replaced thermostat control with a timer control but never really got round to it and heating was not essential in the kitchen. But for new bathrooms will be primary source of heat so need a reliable control solution that will work for more than 3 years! Any recommendations welcome.

I'm probably overthinking this but I've thought about it so I'll ask . I tend to have the UFH come on once a day in the evening during the week. Currently I set all rooms that I want to heat to come on at the same time a couple of hours before I arrive home from work regardless of size. The smallest room (utility) gets up to temperature pretty quickly but the largest room (kitchen / family) take 2+ hours so I wondered whether it would be more efficient to set the larger rooms to come on first and the smaller rooms a bit later. Or is that a crap idea and it would make no difference?

Been quite a bit if talk about thermostats and temp just recently and got me thinking what do people have their house temp set at? I used to do some work for a lady that had her house set at 27c and I used to perspire profusely. A young couple rent a house of us and they have it set at 25c. We have our house set at 19c and will prob be happy with 20/21 when we move into our new house.

eve'in all, Just spotted our underfloor heating thermostat and asked our plumber for an alternative, seemed very bulky and dated, very ugly to be honest, he left an alternative which was worse, alomost yellow/white colour. He said the list is endless and take a look on internet, does anyone have any modern ones fitted e.g. Slim, low profile, white etc? The wife is in a fluster over these she said they look like a schoool technology room from the 80's ? Cheers

While looking at options for my heating/cooling system i came across a dual thermostat. http://www.honeywellstore.com/store/products/7-day-programmable-touch-screen-thermostat-rth7600d.htm Its american and i don't know if you can actually get them or even if it will work. I need to look at it in more detail, and try to work out how the american programmers are configured but it may work with the sort of system design others have used on this forum where two thermostats are used. Has anyone else looked at theses or similar products and figured out if they will work.