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300 Gallon Snyder Dominator Septic Pump Tank

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Part Number: SII-ST11S
Capacity: 300 Gallons
Dimensions: 48.5"L x 48.5"W x 53"H
Shipping Dimensions: 64"L x 64"W x 64"H
Ships From: Lincoln, NE
Marked Tree, AR
Philippi, WV
Chowchilla, CA
Technical Drawings
View Technical Drawing
Product Overview

The 300 Gallon Snyder Dominator Septic Pump Tank is the perfect option for your home, cabin, or homestead if a sewer line is not available or you are living off the grid. This tank is made of high-density polyethylene with U.V. inhibitors making it extremely durable and allowing it to remain underground even when it’s empty!


  • Pre-plumbed Sphere Pump Tank
  • Molded-in elevated pump stand
  • Can remain in the ground while empty
  • 20" lid for easy accessibility
  • Designed for durability and quick, easy installation
  • Used for the storage of wastewater
  • 3-year manufacturer warranty
  • Features one 20" manway cover, a 4" gasketed PVC pipe inlet, and a 4" gasketed PVC tee assembly outlet.
  • Manufactured from high-density polyethylene with U.V. inhibitors.
    300 Gallon Tanks are designed for containment of liquids to 1.7 specific gravity.
    The maximum temperature of tank contents is 130-degree F.
Part NumberSII-ST11S
Capacity300 Gallons
Dimensions48.5"L x 48.5"W x 53"H
Weight113 lbs.
Technical Drawings & Guides
Technical DrawingsView Technical Drawing
Shipping Info
Shipping FromLincoln, NE
Marked Tree, AR
Philippi, WV
Chowchilla, CA
Freight Class500
Shipping Dimensions64"L x 64"W x 64"H
Shipping Weight113 lbs.

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