A 34 x 34 inch square, 13 inches deep, 58 gallons: the 44W is the platform tank. Perfectly square footprints are rare in this catalog, and they exist for one layout - the dedicated equipment bay or under-bed plenum where the tank IS the floor plan, centered under a mattress platform or filling a basement compartment edge to edge. No orientation decisions, no long-axis overhang; it sits where you put it.
Series: Water / Waste Holding Tank, which is Ronco shorthand for order-time identity. Fresh-water fittings deliver a potable tank in FDA-compliant polyethylene; waste fittings deliver a 58 gallon holding tank with the same square symmetry.
At 25 lb empty it is the lightest of the 58 gallon shells, and at about 484 lb full (water at 8.34 lb per gallon) it concentrates its load in a compact square - the easiest large-tank load to frame for, since support can surround it on all four sides. The same footprint in light-duty potable form is the RV44W; longer and flatter big tanks are in the RV water tanks category, with the waste library under RV holding tanks.
Rotomolded in Tustin, California since 1974. Fittings are installed per order - spin-weld or threaded, at the locations you mark: print the drawing below or use the click-to-place fitting planner. OneSource Plastics is an authorized Ronco Plastics dealer.
Technical drawing: download the Ronco Plastics 44W 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.
