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Low Profile Septic

Low Profile Tank Installation Instructions

Counter Buoyancy Instructions

Norwesco Low Profile septic tanks are molded in one piece, requiring no additional assembly, reducing installation time and effort.  Other features include:

  • Rotationally molded rugged, one-piece tank with no seams to leak.
  • No assembly required, reducing installation time and effort.
  • No special backfill or water filling required during installation.
  • May be pumped dry during pump-outs.
  • May be installed with 6" to 36" of cover.
  • Suitable for use as a septic tank or pump tank and may also be used for non-potable water.
  • Access openings and lids (with the exception of the 500 gallon) accept Norwesco low profile manhole extensions, double-wall corrugated pipe and ribbed PVC pipe.
  • Tanks (with the exception of the 500 gallon) are available with PVC tees and gaskets supplied loose or with installed PVC tees and septic adapters.
  • Double compartment = 2/3 - 1/3 

Below Ground Low Profile Septic Tanks
Gallon CapacityLengthWidthOverall
Height
Manhole DiameterCompartmentPart No.Availability
500 Non-plumbed 97" 48" 42" 1-20" (62408) Single 43522 C,E,G
750 w/gaskets & tees 92" 60" 51" 2-20" (63672) Single 43495 B,E
750 w/septic adapters 92" 60" 51" 2-20" (63672) Single 43520 E
750 w/gaskets & tees 92" 60" 51" 2-20" (63672) Double 43499 B,E
750 w/septic adapters 92" 60" 51" 2-20" (63672) Double 43521 E
750 w/gaskets & tees-IAPMO  92"  60"  51"  2-20" (63672)  Double  44510 
1000 w/gaskets & tees 127" 60" 51" 2-20" (63672) Single 42405 B,C,D,E,F,G,H
1000 w/septic adapters 127" 60" 51" 2-20" (63672) Single 43496 E,H
1000 w/gaskets & tees-IL  127"  60"  51"  2-20" (63672)  Single  43538 
1000 w/gaskets & tees 127" 60" 51" 2-20" (63672)  Double 43517  B,C,D,E,F,G,H 
1000 w/septic adapters 127" 60" 51" 2-20" (63672) Double 42406 E,H
1000 w/gaskets & tees-IL  127"  60"  51"  2-20" (63672)  Double  43541 
1000 w/gaskets & tees-IAPMO  127"  60"  51"  2-20" (63672)  Double  44482  L,O 
1250 w/gaskets & tees 157" 60" 51" 2-20" (63672) Single 43519 B,C,E,F,G,H
1250 w/septic adapters 157" 60" 51" 2-20" (63672) Single 43497 E,H
1250 w/gaskets & tees-IL  157"  60"  51"  2-20" (63672)  Single  43539 
1250 w/gaskets & tees-SI/SO  157"  60"  51"  2-20" (63672)  Single  43544 
1250 w/gaskets & tees 157" 60" 51" 2-20" (63672) Double 43503 B,C,E,F,G,H
1250 w/septic adapters 157" 60" 51" 2-20" (63672) Double 43501 E,H
1250 w/gaskets & tees-IL  157"  60"  51"  2-20" (63672)  Double  43542 
1250 w/gaskets & tees-SI/SO  157"  60"  51"  2-20" (63672)  Double 43545 
1250 w/gaskets & tees-IAPMO  157"  60"  51"  2-20" (63672)  Double  44483 
1500 w/gaskets & tees 157" 69" 51" 2-20" (63672) Single 43518 B,C,E,F,G,H
1500 w/septic adapters 157" 69" 51" 2-20" (63672) Single 43498 E,H
1500 w/gaskets & tees-IL  157"  69"  51" 2-20" (63672)  Single  43540 
1500 w/gaskets & tees-SI/SO  157"  69"  51"  2-20" (63672)  Single  43546 
1500 w/gaskets & tees 157" 69" 51" 2-20" (63672) Double 43504 B,C,E,F,G,H
1500 w/septic adapters 157" 69" 51" 2-20" (63672) Double 43502 E,H
1500 w/gaskets & tees-IL  157"  69"  51"  2-20" (63672)  Double  43543 
1500 w/gaskets & tees-SI/SO  157"  69"  51"  2-20" (63672)  Double  43547 
1500 w/gaskets & tees-IAPMO  157"  69"  51"  2-20" (63672)  Double  44484  L,O 
IL=for installation in the state of Illinois
SI/SO=side inlet/side outlet
IAPMO=International Association of Plumbing & Mechanical Officials

Across the United States and Canada there are a number of health code requirements that our tanks must meet.  These codes are regulated by the state, county or province where you are located.  To aid you in determining which tank you need, please consult with your local health department.

Availability Key:  B=St. Bonifacius, MN; C=Lancaster, OH; D=Griffin, GA; E=Shawnee, OK; F=Tooele, UT; G=Owego, NY; H=Washougal, WA; L=Hanford, CA; O=Chowchilla, CA

Tank dimensions and capacities may vary slightly and are subject to change without notice.