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Adding Underfloor Heating Systems

cbjroms
cbjroms
in General Questions & Topics

My house has a central heating system plus underfloor heating in 3 rooms.

Can I bring the 3 x underfloor heating systems into my Toda environment as separate zones. So I would have 1 x room thermostat, 3 x smart radiator valves & 3 x underfloor heating controls - 7 zones in total.

2 of the underfloor heating systems are Humani electric mats and the third is a wet system currently controlled by a Watts Milux 2 Programmable Thermostat. What components would I need to control these?

Best Answer

  • Emcee
    Emcee Admin
    Answer ✓

    Hello @cbjroms,

    Thank you for your contribution to the forum 🙂

    To re-iterate what @policywonk has already written, electric underfloor heating systems can only be controlled by tado° if the following conditions are met:

    1. A wired thermostat is currently connected to the electrical underfloor heating.
    2. Smart Thermostats can only control systems up to 3 Amps. If you are unsure, please check with your installer/electrician.
    3. Some electric underfloor systems require a floor sensor to make sure that the floor does not exceed a certain temperature. tado° is not able to connect to a floor temperature sensor and therefore we are not compatible with systems that require one.

    For your hydronic underfloor heating, tado° is probably compatible (though you would need to confirm before purchase by talking to one of our agents) and can be controlled as a zone. You can read more about this topic in the article I've linked below.

    https://support.tado.com/en/articles/4689126-how-does-tado-control-heating-zones-how-can-i-change-the-zone-controller-of-a-room

Answers

  • policywonk
    policywonk ✭✭✭
    Am not a plumber, nor a heating specialist. My thoughts:
    1. The wet ufh, it is worth adding tado wired thermostats to the manifolds, so each thermostat controls one or two ufh loops. It is possible to add wireless thermostats, you'll need to research that here.
    2. The electric ufh will probably demand more than 1kw per mat, and that's the problem. Switching more than three amps places a burden on the tado thermostat which it may not like. You'll need to get a sparkie to make up small boxes which include tiny relays that can be switched by a tado wired thermostat, and then it provides the power to the respective mat. Hope that's clear. Ask if you need more info.

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