Accomodating a combination of radiators and underfloor heating

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vicentiu
Posts: 5
Joined: 13 Jan 2022, 17:02

Accomodating a combination of radiators and underfloor heating

Post by vicentiu »

Hello,

I have a combination of underfloor heating and radiators.
When all the rooms with radiators reach the target temperature, the valves close and only the underfloor heating is left open.
At this point the temperature of the water returning to the boiler increases, and the thermostat increases the heating temperature of the water to maintain a 20 degree difference.
The thermostat was telling the boiler to heat the water to 67 degrees and I had 45 coming out of my underfloor heating.

Ideally, when all the radiator valves are closed (not requesting heating), there should be a setting on the thermostat to maintain a target temperature on the return water... probably around 35 degrees.

I hope Netatmo can add such functionality, but in the meantime, does anyone have suggestions on accommodating both underfloor heating and radiators?

thank you

Vicentiu
bredy73
Posts: 4
Joined: 20 Dec 2021, 20:17

Re: Accomodating a combination of radiators and underfloor heating

Post by bredy73 »

Your termostat mantain 20° difference, are you shure?
vicentiu
Posts: 5
Joined: 13 Jan 2022, 17:02

Re: Accomodating a combination of radiators and underfloor heating

Post by vicentiu »

Yes. It tries to heat the water to 20 degrees higher than the colder water coming from the radiators.
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