Originally Posted by somewhereinusa
Originally Posted by nat_ster
Strip that crap out of there and replace it all with pex. Don't stop at just that hose. Tear all that sub grade garbage out of there, and do it right.
I just can't say that enough. Do it right the fist time and never look back.
I'm not sure exactly what "sub grade garbage" you are talking about. The hose in question was what is recommended by several sources that know what they are talking about. The
specs are well over the specs for pump output. By the way automotive heater hose has the exact same specs for heat and pressure.
As for using pex this is from the pump manual.
For the quietest possible operation of the Aquajet RV, you should try to isolate the pump mechanically
from your RV's typically hard Polybutylene or PEX tubing.
I have read your build, I loved the perfect attention to detail. I couldn't do it better myself. Yours fits into a category of only a few.
When I first saw your post, I didn't think it was in your bus. It just didn't make sense to me why something that looked like that was in your bus. Now I understand. Only for sound isolation, and its not that old.
The way I see it, Pex has a rating above the other product, but allows a bit of sound travel.
Heater hose, and the clear vinyl, and the reinforced vinyl have less of a rating, but offer quieter operation.
You pick what you want to do. I know I would chose the pex. I have done both in residential hot water tank installs, and every one I didn't use pex or a braided stainless line on failed. Containment pans caught the water every time thankfully.
I haven't tried Silicone heater hose yet. I look forward to doing so because I expect it to do realy well. However it is far from low cost.
T bolt clamps like they use on turbo plumbing or fuel lines would also be a step up over the regular style hose clamps.