Posted 20 hours ago

Horstmann H37XL Channelplus Electronic Central Heating Programmer Series 2 - 3 channel, 7 day

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Joined in 2023

About this deal

My first update was to replace my room stats with Smart Thermostats and the 3CH programmer with the Extension Kit. I had connected both heating zones to the same connection CH on the extension kit. Simple and straightforward. Need heat? Smart Thermostat would switch 'on' and the Extension Kit would switch on the CH providing power to the Smart Thermostat, in turn operating the motorised valve for that zone/ floor and then turning on the boiler. If the other Smart Thermostat did not request heat then that heating zone would remain off/ cold. If both did then all CH zones would get heat.

Horstmann Masterpack 371F 3 zone and 3 channel programmer Horstmann Masterpack 371F 3 zone and 3 channel programmer

Smart thermostat is controlling zone 2 independently (valve 2). in the setting need choose Zone controller to None (work as independent). The copy functions copies one days timings to another day. It was present on older models. See the manual for details. It has come to the end of it's life and now has to be reprogrammed after each power failure. To save expense (New programmer / rewire etc.), has anybody any information about the battery type or replaced one? We would rather not remove the programmer, have a look and then have to do it all again if possible.Would it be possible to replace my 3 channel programmer with the extension kit and use this to run the hot water and the downstairs heating. Also I could rewire the upstairs to skip the programmer and run off the tado thermostat instead...would this work tho? Could I run them off of the one internet bridge??

Horstmann 3 Channel Plus H37 x L Programmer NU5573037000

items M / C-Stat M 11 ThermoPlus AS2-RF 13 ThermoPlus AS1 / AS2 / PRT1 15 Time Controls 17 - 30 ChannelPlus 17 ChannelPlus H37XL Sep 26, · wiring diagram. I am concerned because I'm being told by Tado that it is not compatible. The only option they are offering is to keep my current programmer and use this in conjunction with their thermostats. If I do this I will not be able to control my hot water. As I said I currently use three channels and tado only supports two. The diagram shows a link between the 2 stats but I hav no wires left. Does any one know if I should fit a bridging wire and i Horstmann C27 heating controller wiring.I feel so close to having the setup I wanted, and it's frustrating to see that tado will in fact support my 3 channel system, just that they don't realise it! Nope, nothing is missing. I do intend to tado my entire house, however tado can only support two channels - I need three.

Horstmann Channel Plus H37XL Programmer | Wolseley

I have sent off the details of my heating system to tado but they are unable to help as it requires three channels. Hot water, and 2 heating zones. I have bought Tado V3+ wireless thermostat (probably better will be wired kit ) with hot water control item 104005 (refurbished:) ,additional to that bought smart thermostat (wired).

I had bought some TRVs as well but after reading some of the comments in here about them I think I'm gonna return the lot.

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