Thank you a lot for your time and patience.

I will be looking into that this weekend.

Thank you a lot :)

I never tried to do a dzVents script, but I m familiar with coding, so your example gives me a very good start.

I think you missed a timer here :
Line 62 : virtualWaterHeating.switchOn() -> virtualWaterHeating.switchOn().afterSec(spikeProtectionTime)

Also, wouldn't it be ...

Hello!

Thanks for your input, i m happy because it seems what I wrote was somewhat understandable :D

You used eWH but i think you meant vHW, as eWH is not defined ?

Using your pseudo code, here is how I see it working :

switch definitions:
rWH: real waterHeater switch
rEH: real electricHeater ...

Hello there!

Sorry for my approximative english...

I have a domoticz with custom webapp ontop to manage the heating of my house.

I have a specific issue is that my heating is made with an electric system that can consume up to 8kW.
My water heater box is consumming 3kW.

Both systems are ...