I’ve been using pex heating tubing for 5 years now to run about 12′ from front to back. Absolutely no issues at all. I used the heating tubing as it is oxygen barrier tubing and might be like the gas tanks being low permeability .
…and most importantly its red…
…uses approved clamps…
…3/8 rubber hose fits perfectly over the 1/2 pex fittings and can accept the pex plamps for a clean look…
