For rigs that measure trips in weeks, the Ronco RVB380 offers 42 gallons of potable fresh water in a light-duty molding that ships at 92 pounds. It is among the larger fresh water tanks in Ronco's RV line, sized as the primary supply for coaches built around off-grid capability.
The tank is molded from FDA-compliant natural polyethylene, translucent so the waterline is visible through the wall, top to bottom. Rotational molding forms the whole vessel in one seamless piece, with no joints anywhere for years of road service to attack.
Ronco Plastics has molded tanks in Tustin, California since 1974 and finishes each RVB380 with spin-weld or threaded fittings installed per order at the customer's specified locations, its standard on every tank. A drawing, when shown, depicts the blank molding. OneSource Plastics is an authorized Ronco Plastics dealer.