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Drain Kits

Center Stand Pipe Kit - 3" Venturi

Drain Center Pipe


The Venturi Kit consists of our exclusively-designed drain, a 3"x2" bushing, a stop collar for the center pipe, and a rubber boot w/clamps to attach the drain pipe. All other components may be purchased from any hardware supplier. The drain may be used with a 2" inside center stand pipe with 4" pipe around it; or a 3" inside center stand pipe with 4" pipe around it for maximum lift.

  • 2 Sizes available: a 2"x4" and a 2"x4"x6"; the 6" is used with a screened tube when you first start out with very
    small fish.
  • The 6" screen body can be easily changed as fish grow.
  • Universal fitting for many round tanks.
  • Bolts on to the outside bottom of the tank for unobstructed drainage.

Outside Stand Pipe Kit

Outside Pipe

The Outside Drain Kit consists of a PVC T, a custom-made reducing bushing, a stop collar, and a bulkhead fitting. All other components may be purchased from any hardware supplier.

  • Two sizes available: 4"x3" and 3"x2"
  • Water level adjusts from outside of tank.
  • This outside the tank set-up performs very well where no obstruction is wanted inside the tank.

Bulkhead sizes available: 1", 1.5", 2", 3", 4"

Limited Warranty

We warranty each product to be free from defects in material and workmanship for a period of one year from date of purchase. We make no other express warranties, and all implied warranties including fitness, are limited to one year from date of purchase. Within warranty period, we will repair or replace any part found to be defective upon our examination, but we will not pay shipping cost or other expenses. To obtain warranty, write us at Polytank, Inc., 62824 250th Street, Litchfield, MN 55355 or call 800-328-7659. Merchandise may be returned, but must have shipping prepaid and will be return shipped collect.

This warranty shall not apply to any product that has been subject to misuse, negligence or accident, or damage in shipment, or misapplied, or which has been modified or repaired by unauthorized persons. This warranty only applies to products owned by persons purchasing directly from us or from our approved distributors and merchandisers.

Note: Limitations on duration of implied warranty and/or consequential damage may not apply to you if your state does not permit them.

This warranty gives you specific legal rights in addition to rights which you may have under state law.

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