Nevermind, I did some research about LPG power outputs.
Seems that 1kg = 13.6kW
If I'm not wrong on it, 1.5 and 2.0 should have maximum output of 20.4 and 27.2 respectively.
Assuming my maximum hob output is 13kW, I still should be well below the limit of the regulator.

This post has been edited by Jackie-Cham: Dec 10 2022, 03:04 AM