The B444 is a 69 gallon RV-format water tank in a 38 x 26 x 18 inch package - big enough to change how long a coach can boondock, low enough at 18 inches to fit conventional storage bays instead of demanding a dedicated compartment. For fifth wheels and travel trailers upgrading from a builder-grade tank, this is the practical ceiling for many bays.
Ronco molds it as a blank and fits it per order. The shell itself is dual-role - the same molding serves as a fresh water tank or a waste holding tank depending on the fittings - though most B444 orders are potable. Print the drawing below, mark fill, outlet, vent, and level-sender positions to match your coach's plumbing chase, and the factory spin-welds or thread-installs to your marks. The on-page fitting planner keeps sizes straight.
The blank ships at 102 lb; full, 69 gallons of water is about 575 lb, which belongs on frame-tied supports with proper strapping. Rotomolded in Tustin, California by Ronco, tank makers since 1974. Step through the other sizes in the RV water tank category or see the whole line on the Ronco Plastics hub. OneSource Plastics is an authorized Ronco Plastics dealer.
Technical drawing: download the Ronco Plastics B444 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.
