Security guard for wood stove

Hello,

I want to operate an exhaust air heat pump and a wood stove. My chimney sweep says that I have to install a safety monitor. I currently have the Wodtke Controller DS 01, P4 Standard, and P4 Multi. The devices have a huge price difference. Does anyone use such devices?
Is the P4 Standard sufficient or should it be a Multi? What should one pay attention to with these devices?

Best regards

regnat :confused:

Hello, I want to operate an exhaust air heat pump and a wood-burning stove. ..

From the perspective of consumer costs, this will only work well if the building envelope corresponds at least to KFW 55 or better (Ht value). Otherwise, it will be a money pit.

Best regards.