The B441 is a 12 gallon near-cube - 14.75 x 14.75 x 14.25 inches - which makes it one of the most position-flexible small tanks Ronco molds. A footprint barely more than a square foot slots into pilothouse corners, under galley sinks, behind wheel wells in van builds; and because no side dominates, it mounts in whatever orientation your fittings are specified for.
That specification is the whole order. As a dual-role B-series molding the B441 becomes a fresh water tank or a gray/black holding tank based on the fittings, which Ronco installs to your marks - spin-welded or threaded. Print the drawing below, decide which face is up in your installation, mark the fittings accordingly, and sanity-check sizes with the on-page fitting planner.
It ships at 16 lb and holds about 100 lb of water when full. Rotomolded in Tustin, California, where Ronco has made tanks since 1974. The rest of the compact range is in the boat tank lineup and the RV water tank lineup. OneSource Plastics is an authorized Ronco Plastics dealer.
Technical drawing: download the Ronco Plastics B441 dimensional drawing - print it to plan your install and mark exactly where you want fittings located; Ronco installs spin-weld or threaded fittings to your marked spec.
