The 600 Gallon Doorway Water Tank (Ribbed) from Norwesco is a polyethylene storage tank built to fit through a standard doorway, which makes it the practical choice when a tank has to live inside a basement, utility room, garage, or other space you cannot reach with a wide-body vertical tank. At 600 gallons of water capacity, it gives you meaningful on-site storage in a footprint that gets through the opening and into the room.
Will it work for your site?
This is a water-service tank in ribbed polyethylene construction. The narrow doorway profile is the whole point: it solves the access problem that rules out a conventional vertical tank when the install location sits behind a standard door. "Fits through a standard doorway" is the entire value of this Norwesco doorway water tank, so do not trust the phrase alone - measure your actual doorway and compare it to the tank's stated width on the technical drawing on this page before you order. While you are reading the drawing, confirm the fitting positions and sizes as well, so any inlet, outlet, or accessory you plan around matches the tank you receive. If you are still deciding on size for your demand, the Tank Sizing Calculator and the Tank Sizing Guide will help you match this 600-gallon doorway tank to your actual draw and refill cycle.
Plan for the filled weight
Check your floor rating first: empty, the tank moves easily, but filled to 600 gallons this Norwesco doorway water tank carries roughly 5,004 lb of water, and that load has to land on a floor or pad rated to carry it. If you are placing it on an interior slab or an upper level, verify the structure can take the full filled weight as a point load, and set the tank on a flat, fully supported surface. This tank is rated for water service; for any liquid heavier than water, confirm the specific gravity against the tank's rating before you use it. For above-ground siting on a poured base, our guide on concrete pad sizing for above-ground polyethylene tanks walks through the ACI framework for getting the foundation right.
What people use it for
Buyers reach for a doorway tank when they need indoor or tight-access water storage: rainwater catch-up, hauled-water reserve, or a held volume for a building system. If this tank is part of a fire-protection or reserve-water plan, our guide on fire-water reservoir tank design for rural and remote sites covers NFPA 22 sizing discipline and freeze protection. Where the same tank serves grey-water, rainwater, or condensate capture, our overview of industrial water reuse tank topology covers quality-banded storage. For a full walkthrough of this specific model, see the 600 Gallon Doorway Water Tank (Ribbed) buyer's guide.
This tank ships LTL freight, with cost quoted live to your ZIP code. Get your number with the Freight Cost Estimator, or call us at 866-418-1777 and we will help you size, confirm fit through your doorway, and lock in freight before you order.
3 Year Warranty
