<a href=showthread.php?s=&postid=6971995#post6971995 target=_blank>Originally posted</a> by pyrrhus
for those who are considering modifying the non-recirc models, keep in mind that all of the fittings on these skimmers are metric fittings and US standard fittings and plumbing will not work with them.
Wouldn't you replace the fittings anyway if you were to do a recirc mod on one?