Ronco Plastics

Ronco keeps four different 33 gallon holding tanks in production, and the 15H is the first stop in that family. Thirty-three gallons is fifth-wheel and Class A territory, the gray tank that has to...

Weight first: a full 16H carries about 158 lb of waste water. That number - not the 25 lb the empty blank weighs - is what your mounting hardware, straps, and floor structure have to be sized for,...

Here is the ordering ritual that makes a Ronco tank different from a parts-store tank, using the 17H as the example. You print the technical drawing from the block below this description. You take it...

Ronco molds four different 15-gallon holding tanks, and the 18H is the general-purpose one - the blank you choose when no single dimension of your bay is doing anything unusual. At 16 lb empty it...

Ronco Plastics molds two different 7-gallon RV holding tanks, and the 19H is the one you buy when the other shape loses. The 7-gallon 9H measures 30 x 9 x 11.25 inches - long and narrow; the 19H is a...

Every catalog starts somewhere, and Ronco's starts here: the 1H, part number one, a 20-gallon holding tank that has been in the line since the Tustin, California shop began rotomolding in 1974. Molds...

The 20H combines two packaging tricks in one molding: a side dump, with the waste valve exiting the tank's side face, and a long shallow body, 63 x 20.25 x 8.5 inches, that carries 34 gallons under...

Black tanks live a harder life than gray ones - solids, chemicals, long intervals between dumps - and 42 gallons is the size where a black tank stops dictating your travel schedule. The 21H is one of...

A full 22H is an eighth of a ton of sewage riding your frame: 30 gallons at 8.34 pounds per gallon comes to about 250 pounds, and that number should drive the whole replacement job, from strap...

Ronco molds exactly one 28 gallon holding tank, and the 23H is it, sitting alone between the four-shape 27 gallon family below and the rail-equipped 29 above. Solitary sizes usually trace back to a...

Five inches. That is the whole height of the 24H, and it is the reason this tank exists. Underfloor bays, basement compartments, and the gap between chassis rails on a lot of coaches will not take a...

Two hundred eight pounds. That is what the 25H weighs when its 25 gallons of waste water are aboard, at 8.34 pounds per gallon, and it is the number your tank cradle, straps, and floor structure...