Doublewall Closed Bottom

DoubleWall Monitored Transition/Piping Sump

The octagon-shaped closed bottom doublewall tank sump is ideally configured for piping laid out in 45- and 90-degree angles. It is field height adjustable and features a pour channel makes for a simple PC slurry joining the sump base and top hat. It comes standard with a snap-lock lid with vertical O-ring seal to make it watertight with other lid options available. Read more

. It is VPH compliant and can be used as a transition sump or be riser adaptor mounted outside of California. It ships under 20” HG vacuum to ensure wall integrity.

DoubleWall Fiberglass (Monitored)
Monitored flat bottom
Shipped under a continuous vacuum test of 20+ Hg
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  • Quality FRP construction
  • Split configuration is height adjustable
  • Fuel compatible resin doesn't require gel coat
  • Doublewall is suitable for constant monitoring - triennial testing exempt
  • 30 Year Corrosion Warranty
  • UL2447 Listed