Tired of water tanks that leak, wobble, or take up too much space? The 335 gallon horizontal water tank was designed to solve those problems before they start. With its leak-resistant, single-piece construction and smart low-profile shape, it delivers reliable water storage without the hassle. Lightweight enough to move, yet tough enough to withstand the elements, this 335 gallon water storage tank adapts to your space and your needs—indoors or out. From everyday chores to emergency backup, it’s a versatile solution that works where you do.
Leak-Resistant Design with No Weak Points
This tank is manufactured as a seamless, single-piece unit, helping eliminate joints or connection points that can become vulnerable over time. The one-piece construction contributes to consistent wall thickness throughout the tank, supporting durability and long-term water containment. By reducing potential stress areas, the design helps maintain reliable performance in both stationary and regularly used installations.
Lightweight Yet Strong for Easy Handling
Despite its solid construction, the 335 gallon horizontal water storage tank remains lightweight compared to traditional metal or concrete options, making transportation, positioning, and installation easier. While larger systems like a 1000 gallon poly tank offer more capacity, they require more effort and space to install. The polyethylene material of the 335 gallon tank provides strength while remaining flexible enough to handle routine environmental exposure and regular use, giving you a reliable, manageable water storage solution.
Flexible Placement Indoors or Outdoors
The horizontal layout allows this tank to be installed in locations where a vertical water storage tank may not fit or function as efficiently. It can be placed indoors for protected storage or outdoors for convenient access, depending on the application. With proper site preparation, the tank adapts well to residential, agricultural, and light commercial environments.
Get the Right Fit for Your Water Storage Needs
Whether you’re upgrading an existing system or planning a new installation, the 335 gallon horizontal tank provides a balance of strength, flexibility, and manageable capacity. This 335 gallon water storage tank is built to support consistent use in a variety of environments, making it a dependable option for customers looking for efficient water storage without unnecessary bulk. Review the specifications to see how this tank can support your application.
335 Gallon Horizontal Water Leg Tank
Polyethelene (Poly) Tank
1.2 Specific Gravity
Constructed with durable, rotationally molded polyethyelene resin
Resistance to cracks, chips, and ruptures
UV inhibitors to protect liquid contents from direct sunlight
Indoor and outdoor use
Color: Tan
Horizontal Leg Tanks are for storage and are not to be pressurized.
Frequently Asked Questions (FAQs)
How does the horizontal shape affect stability once the tank is filled?
The low-profile design helps distribute weight evenly across the base when the tank is installed on a level surface. This contributes to stable performance during use, especially in areas where a taller vertical water tank may be less practical.
Can this tank be installed in enclosed or partially covered spaces?
Yes. The 335 gallon water storage tank is often installed in garages, sheds, and equipment rooms where vertical clearance is limited. Adequate ventilation and access should still be provided based on the application.
Is this tank designed to minimize leakage over time?
The tank is manufactured as a seamless, single-piece unit, which helps reduce the risk of leaks that can develop at joints or seams. This construction supports consistent water containment over extended periods of use.
335 Gallon Horizontal Tank (TAN)
10-OFF
Gallon Capacity 335 Lid Size
8" Max Temperature
140F Shape
Horizontal Specific Gravity
1.2 Weight 112lbs Material Polyethylene Warranty 3 years Length 56" Width 44" Height 48"

















