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Water Tanks

Water tanks provide emergency water supply critical to wildfire protection for homes without a swimming pool, pond or other water source independent from the municipal water system (which can fail in a fire). We offer steel and poly water tanks, and installation assistance, using a network of installation contractors. Fixed tanks can be combined with a Pump Package to drive water through an in-ground piping system with multiple hydrants on your property. Contact us for consultation on compliance with local fire district regulations and installation services.

Portable temporary tanks can be setup when wildfires threaten with 2 hours notice and adequate water supply. Portable tanks are best choice for residential areas without swimming pools or water tanks, with the cost of the tank and pump shared by multiple neighbors planning to apply Thermo Gel to their homes prior to evacuation.

See Frequently Asked Questions regarding water tanks below. Additional questions? Call or


Portable, Self-supporting Water Tanks

   
portable water tanks Features:
• Fully self-supporting;
• No frame or assembly
• Foam-filled collar; no inflation
• Filled with garden hose or hydrant
• Heavy duty vinyl (PVC)
• Threaded coupling with cap, used as drain
  (shown with hose connected)
• Includes storage bag with handles (tank stored   in bag at left)
   
water tank chart
 
Water Tanks – Steel and Plastic
 
steel water tanks
   

   POLY Tank FAQs (Frequently Asked Questions):

WHAT IS THE WARRANTY ON YOUR TANKS? The premium weight tanks and black or dark green vertical water storage tanks carry a three year warranty from date of manufacture. Should a defect appear within the warranty period, Manufacturer will supply a new, equivalent tank in replacement thereof. Manufacturer's liability is limited to the value of the tank itself and specifically excludes the cost of installation and/or removal or consequential damages.

WHAT MATERIAL IS USED TO MAKE YOUR TANKS? Manufacturer uses a linear, high-density polyethylene resin that provides outstanding environmental stress crack resistance. The resin is UV stabilized but by keeping the tank sheltered or indoors you will prolong the life of your tank.

ARE YOUR TANKS FDA APPROVED AND IS IT SAFE TO STORE WATER IN A TANK? Yes, it is safe to store water in the Manufacturer above ground tanks and below ground cistern tanks shown on our website. The resin used to manufacture these tanks meets FDA specifications for safe storage of potable water.

ARE YOUR ABOVE GROUND TANKS NSF APPROVED? NSF International, founded in 1944 as the National Sanitation Foundation, is known for the development of standards, product testing and certification services in the areas of public health, safety and protection of the environment. Manufacturer was the first polyethylene tank producer to receive the NSF certification, where applicable, for our potable water tanks. The NSF certification process is done on a plant by plant basis. For further details, please contact Manufacturer Customer Service. The resin that we use to manufacture our above ground tanks is considered an NSF approved resin.

WHAT IS THE WALL THICKNESS OF YOUR TANKS? Because the wall thickness varies from top to bottom on a tank, it is not the best gauge for determining the quality of a tank. The very bottom of the tank is the thinnest part of the tank and is made that way to flex when the tank is empty or full. Generally the wall becomes thicker as you go from the top to the bottom of a vertical tank. This is done to increase resistance to head pressure created by the height of the liquid in the tank. The radius of the tank is thicker to increase strength where it is most critical. The actual weight of the tank is also not a good comparison when shopping for tanks. Just because a competitor may use more material in the tank does not make it a better tank. That is determined by the resin, mold design and the steps taken during the rotomolding process.

WHAT IS THE MAXIMUM TEMPERATURE THAT YOUR TANKS WILL WITHSTAND? Polyethylene storage tanks have a maximum storage temperature of 120 degrees F. Contents with a temperature in excess of 120 degrees F-even for a short period of time-can weaken the tank's structural integrity and make it susceptible to deformation and failure.

WHAT WILL HAPPEN TO MY TANK IF I LEAVE IT OUTSIDE IN FREEZING TEMPERATURES? The tank itself does not have a minimum temperature rating. If you plan to keep the liquid in the tank and you know that it will freeze, make sure that you leave room for expansion. The most likely part to crack on the tank is the bulkhead fitting which can be easily replaced.

HOW MANY YEARS WILL MY TANK LAST? There is no good way to determine the life span of a polyethylene tank. Many variables can have an effect on the tank - what type of material is being stored in the tank? Is the tank used indoors or outdoors? Tanks used outdoors in Arizona or Florida are subjected to more intense sunshine than in Minnesota for example. UV rays will have a detrimental effect on the life span of any poly tank. Is the tank being used strictly for stationary storage or for transport? Each of these factors will have an effect on a polyethylene tank.

HOW CAN I DETERMINE IF MY OLD TANK IS STILL SAFE FOR USE? If a tank is beginning to show its age, you will be able to see fine fissures or hairline cracks referred to as crazing. Look for crazing on the dome of a vertical tank in the area where sunlight is most intense. These fine cracks will become more intense and visible as time goes on and will become stress cracks. Giving the tank a good hit with a baseball bat is as good a test as any. The resilience of a good tank will be obvious. A tank beyond its life expectancy will sound dull when struck and could crack as a result. It is better to check early and be safe. When a tank is determined to be unsafe or you know it is getting old, it is best to make it a non-drinking water only tank.

HOW SHOULD I PLUMB MY TANK? Flexible connections should be used between the tank fitting and the pump to allow for expansion and contraction of the tank as it is filled and as liquid is withdrawn. A good quality flexible hose is best. We also recommend proper support under heavy valves and fittings that may be attached to the tank fitting. Please refer to the warning labels on our tanks for details. These plumbing recommendations will also extend the life of the tank by reducing stress on the tank.

 

Note: See Legal Disclaimer.

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