I'm not to worried about it, the S2 is set to it's second lowest setting there isn't much pressure in loop.It is just me but I would at least ziptie all those hose fittings. Yes, it is unlikely to come off but I sleep better at night not worrying whether the hose expanded enough to pop off. Just extra insurance IMO.
I guess there wouldn't be any harm in ordering a few of these though.
Ratchet clamps are used to secure Braided Vinyl tubing to barbed fittings.Choose from ratchet clamps for the following vinyl tube sizes:1/2" Braided Vinyl Tubing3/4" Braided Vinyl Tubing1" Braided Vinyl Tubing1 1/4" Braided Vinyl Tubing1.5" Braided Vinyl Tubing2" Braided Vinyl Tubing Note...