Originally Posted by nafoo
Maybe I'm blind. Where do the lines go in? I have the HFS-4 system and need 2 23mm holes for the meth line and level sensor. Where could I put those?
the Meth' line will be via any 1/8" NPT fitting you choose, that screws into the underside of the tank at the base of the sump.
We have not designed the tank to incorporate a low-level sensor, you could modify it to suit but I would advise against that.