Ronco Plastics

On Ronco's own price sheet this tank is a terse line: "35W L.D. (13 GAL)". Decoded, that is the whole product - the 35W molding, light-duty potable spec, 13 gallons of fresh water. The L.D...

Almost square: the RV36W's 23 x 21 inch footprint reads like a floor tile, 9 inches tall, holding 17 gallons of fresh water. Square-plan tanks are the efficient answer when you have a compartment...

Seven and a half inches of height is the RV37W's defining spec. This 14-gallon fresh water tank spreads across 29.75 x 16 inches so that it can hide in floor channels and under-seat plenums where...

Under the floor of most travel trailers is a shallow zone about a foot deep, and the RV38W was drawn for exactly that: 36 gallons of fresh water at 45 x 18.5 inches and only 11.25 inches of height...

Choosing among Ronco's three 20-gallon fresh water tanks is a game of inches, and the RV39W's hand is 35 x 13 x 11 - the narrowest of the trio at 13 inches wide, with an 11-inch height that keeps a...

Ronco molds the 14-gallon fresh water tank in three distinct bodies, and the RV3W is the slender one: 29.75 x 13.88 x 8.12 inches, sized for the narrow gap between a wheel well and a cabinet base...

Sixty-five gallons is boondocking range. With sensible use - navy showers, careful dishwashing - the RV40W's capacity keeps a couple off the hookups for days at a stretch, which is exactly the buyer...

Seven pounds. The RV41W is light enough to hold with one hand while you test-fit it in a gear locker, which is exactly how most of these get bought: an 8-gallon fresh water tank at 17 x 12.75 x 10...

46.75 x 20.75 x 15.5 inches - the RV42W's dimensions read like they were taken off a real chassis, because they were. Ronco Plastics molds five different 58-gallon fresh tanks, each shaped to a...

A 58-gallon tank that is also 58 inches long - the RV43W is easy to remember and easy to place: 58 x 20 x 13 inches, drawn long and low to run along a frame rail where taller tanks cannot go...

A perfect square, 34 x 34 inches, standing 13 low: the RV44W holds its 58 gallons in the footprint of a card table, which makes it the natural pick for basement bays and between-the-rails cavities...

The RV45W is a 35-gallon fresh water tank molded in natural, FDA-compliant polyethylene - the translucent light-duty resin Ronco reserves for potable service. That translucency is a working feature,...