Rectangular RV Water Holding Tanks & Water Holding Tank Systems

Rectangular Tanks Say goodbye to wasted space forever! American Tank Company’s rectangular tanks are specifically designed to fill those unused long, narrow spaces in RVs, boats, tractors and trailers. With closed top, open top and light duty versions, we offer the industry’s most extensive line of these hard to find polyethylene tanks. Developed for the safe, reliable storage of potable water, gray water and most agricultural and industrial chemicals, American Tank Company’s rugged, impact-resistant tanks won’t leak, chip, rust or corrode. And with a complete offering of tank fittings, caps and lids, it’s easy to customize our units to meet your needs. Call American Tank Company today and talk with one of our experts about your rectangular tank options. To order RECTANGULAR TANKS online, follow these steps: Place your selected tank in your shopping basket. Add any required fittings from the "Tank Fittings, Caps & Lids" category on the left. Checkout and complete your online order. If applicable, print out the corresponding "CAD" drawing and show us where you would like us to install the fittings. Fax the completed fitting placement form to (707) 535-1450 REMEMBER: Closed top tanks are COMPLETELY CLOSED IN, so you'll probably need at least one fitting or lid. Though these tanks can be placed in any position, if they are placed up on edge with a height of 18" or more, they will need to be fully supported and braced or tank failure will occur. Due to the nature of the rotational molding process, dimensions may vary from what is published and shown on the referenced drawings. During the delivery process, tanks can pass between several docks and trucks on their way from the factory to the customer. Though not a guarantee, tank wrap “helps” to protect the tanks from getting scuffed and dirty. The best way to avoid cosmetic damage is to set up a will call at the factory and personally handle the tanks yourself.