Radiator valve: LG-13 vs FGT001

For heating/cooling related questions in Domoticz

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Squalo
Posts: 6
Joined: Monday 10 December 2018 12:37
Target OS: Raspberry Pi / ODroid
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Location: Rome, Italy
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Radiator valve: LG-13 vs FGT001

Post by Squalo »

Hi all,
I'm looking for a radiator valve. I'll take at least three.
My choice is between Danfoss LC-13 and Fibaro FGT-001 ZW5.
Any advice?
Thanks.
aardwolf2
Posts: 12
Joined: Wednesday 16 October 2013 1:01
Target OS: Linux
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Re: Radiator valve: LG-13 vs FGT001

Post by aardwolf2 »

Depends how hacky you want it, and your house setup, I have mains outlets next to all of the radiators so I use Sonoff S20s ($6, pick your country's version) flashed with espeasy, a ds18b20 wired temperature sensor (err, bought a bag of them, think $1) soldered onto gpio 0 (the contacts of the pushbutton on the front), which will give you room temperature, and a mains powered normally closed underfloor heating control valve ($15) powered through the Sonoff screwed onto a manual trv valve ($5) in place of the original manual trv control bit so it can be switched by domoticz based on the temperature sensor value.
Squalo
Posts: 6
Joined: Monday 10 December 2018 12:37
Target OS: Raspberry Pi / ODroid
Domoticz version: Latest
Location: Rome, Italy
Contact:

Re: Radiator valve: LG-13 vs FGT001

Post by Squalo »

This could be a good solution, I’ll have to do some work on electrical side, but your solution is what I would like to do.
Can you please post some link to the stuffs you used (mainly the electrical valves)?
I’d like to put valves at the distribution point, instead of at the radiator, so to avoid useless heat along unused pipes...
Thanks for your suggestion.
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