Ronco Plastics

Fifty-three gallons is an in-between size, and in-between sizes are usually replacements: the RV68W most often goes to owners matching a failed OEM tank whose bay will not take the common 55s. Ronco...

Four feet long and eight inches tall, the RV69W is what 32 gallons of fresh water looks like when it has to disappear under a bed platform. The 48 x 20 x 8 inch envelope is the middle path of Ronco's...

The RV6W is the long way to carry 36 gallons of fresh water: 48.38 inches of length against a slim 14.38 inch width, standing 13.25 inches tall. That proportion is made for chase-frame gaps -...

Eighty-three gallons buys silence: no generator run to a fill station, no campground reservation made just for the spigot. The RV70W is Ronco Plastics' big-but-not-biggest fresh tank, an 86 lb...

The RV71W and its sibling the RV50W hold the same fresh water two different ways, and choosing between them is pure geometry. This tank is the compact one: 38 x 20 x 9 inches, a foot shorter than the...

At 7.75 inches tall, the RV72W is the flattest of Ronco's 20-gallon fresh water tanks - a 35 x 19 inch slab that slides beneath bed platforms and false floors where its taller siblings would push the...

Ronco fields three different 19-gallon fresh water tanks, and the RV73W - "73W L.D. (19 GAL)" on the maker sheet - is the highest part number of the trio, from the later generation of molds. Nineteen...

A 30 x 22 inch footprint at 14 inches tall makes the RV7W the squarest of Ronco's mid-thirties fresh water tanks - the shape you want under a dinette seat or in a boxy compartment where a long skinny...

Five feet of tank, eleven inches of height: the RV8W stretches its 52 gallons across 60.25 x 20.12 x 11 inches, the longest, shallowest profile in its capacity class. It is drawn for the space...

48 x 20 x 12 inches is a classic underfloor band: long enough to run between frame members, at 20 inches wide it drops between typical crossmember spacing, and 12 inches of height leaves room above...