Hi,
Do somebody have all of parameters possibly shown? I’d like get buffer upper and lower temp to homeassistant and it is not shown on those examples. Maybe I test some 
Regards
Severi
I found one solution
Thanks for pblxptr he start do it
and which settings for Host and Port have to be made? 
I don´t get a connection with local IP.
But you have this device?
https://www.plum.pl/en/project/econet300_en/
Yes, that is also connected and I can also connect to it via the browser
Intall repo by HACS or manually. Then add integration after that write your ecoNET module local IP address and username and password.
what if HA and Econets are on different networks.
i can use port forward but dont know which port they use
i found that you should have port 80 to be accessible to use integration (port forwarded)
RANT
How / where did you find about the local rest api? I was looking at the automatic pellet burner to buy and almost no manufacturer discloses which control system they use (why?), so I found that in most cases it is plum econet-300, then again, on their website it does not mention anything about local api. I was rather frustrated with all the cloud BS. So I thought does not make sense to buy fully automatic pellet boiler if they all require spyware.
I really wonder if so many of the (potential) buyers think that oh internet control is so cool, that they do not think to mention it does even have exposed local api and description of it. Also why do they even expose it locally if internet control is so awesome.
RANT OVER
Does the econet device still call home even when no account is setup etc.?
debugging:
Thank you, but I think what is described in that filed is something you and pblxpt needed to find out yourself and there is no documentation regarding local control shared by Plum, right?
It was my rant about how you pay, in this case, even quite a significant price for the device, and then the manufacturer and seller approach is, that it is not even yours and how dare you change the parameters (or in case of some solar inverters - how dare you block accessing device you bought from spying and calling home.
But that is offtopic here, I was just venting my frustration from when I was looking for automatic pellet boiler.
We have integration which work
Could you please give me a link to take a look?
In the meanwhile I’m waiting for the delivery of my rs485 to wifi that I ordered to try to use the integration from denpamusic: homeassistant-plum-ecomax
Hi there! I recently got a pellet boiler with the ecoMAX850P-R as its main board and the TL-MR3020-v3. When integrated, the parameters function flawlessly. However, I’m curious if there’s a way to control the boiler modes using Home Assistant (HA).
During the autumn season, I occasionally need to manually fire up the boiler to heat up the house. I can change the mode manually going to boiler and change to pause (which is indicated as manual in HA: sensor.plum_econet300_boiler_mode,manual) so that the circulation pump continues to operate but won’t restart the boiler. For now, I’ve found a workaround by automating in HA to approximately 2°-3° before it attempts to fire up to turn off. This prevents the boiler from firing up, but it also stops the circulation pump.
Thank you very much for the integration. Until now I was using my own rest api code. I could only read values. I am excited that this integration can also control some elements. But unfortunately the most important one for me cannot.
I need to control the target temperature of MIX1 (in HA it is sensor.mixer_device1_mixer_1_target_temperature).
Could you please add it, I would be very happy.
And I wish you a Merry Christmas everyone! 
edit: And if the entity in HA was like a thermostat, that would be the absolute best!
test new version of integration: