Every tank in a boat is a compromise between the water you want and the space you have. The B214 is where those lines cross for a lot of small cruisers: 18 gallons of fresh capacity - about 150 lb of water when full, at 8.34 lb per gallon - in a molding shaped for the real, awkward volumes left over after the builder placed the engine, the batteries, and the bunks.
It is rotomolded FDA-compliant polyethylene, potable-rated and seamless, and it ships at 81 lb with no fittings installed. Ronco's system puts the penetrations where your boat needs them: print the drawing below, mark the fill where your deck plate drops, the vent where it can run high, the pickup at the installed low corner, and the shop spin-welds or thread-installs each one to those marks. The on-page fitting planner captures the same layout with clicks.
One practical note that outlasts the install: mount the tank so you can reach the fittings afterward. Hose clamps and senders are service items, and the tank will outlive several of them - Ronco has been molding these in Tustin, California since 1974, and plenty of first-generation tanks are still in service under floors their owners have long since recarpeted.
Hold this outline against the alternatives in the boat tank category, or browse the full line on the Ronco Plastics hub. OneSource Plastics is an authorized Ronco Plastics dealer.
Technical drawing: download the Ronco Plastics B214 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.
