At the top part of my base I have Electrolizers, Gas Pumps and a Gas Filter. The filter keeps on pumping hydrogen (which is supposed to be filtered solely) and oxygen into the Hydrogen Generator beneath, resulting in it being damaged. Same result while the filter has or hasn't power. (I'd personally prefer nothing being output into the filtered vent for the latter.)
As a side note, when the Thermo Regulator (to the right) is disabled, it won't let any gas through. Not sure if that is intended, as I initially just suspected it would then let it through but without cooling it.
Development Build: CL#TU-210489
Use the attached save file, go into the gas vent view and look at the system at the top of the base.