2022 DYNAMAX ISATA Fuel System Otherdelivery Problems

This unit is a cutaway Sprinter converted to a class C RV by Dynamax Corporation. I discovered a propane leak and in tracing it down, found that Dynamax had run their main propane delivery over a flexible hose. This hose was improperly protected from being damaged by poor installation process in that the hose was strapped to a cross member under the unit without consideration to protecting the sheath. I have just over 20K miles on this and the main sheath has a pinhole caused by it rubbing against a sharp edged metal cross-member. The cross-member is directly under the passenger compartment exposing us to fire and gas exposure. This danger could have easily been avoided by either putting a protective sheath between the hose an the cross-member, or plumbing the entire length with black pipe. I consider myself fortunate that this leak did not present itself while driving down...