Collection: GRAF Heavy Duty Pump Chambers

These German-engineered tanks are suitable to be buried up to 1.2 meters (about 4 feet) and can handle H5 vehicle loading up to 3.5 metric tons or approximately 8000 lbs. per axle. They're suitable for colder climates and areas with occasional high water table up to mid tank level when tank is empty (up to top of tank for the 2700, 3750 and 4800 L models).

These pump chambers feature the lowest shipping and handling cost of any tank line. Tanks consist of 2 identical half-shells to fit 5-9 tanks per pallet and allow for up to 8 times the volume of tanks to be shipped at once.

GRAF Heavy Duty Pump Chambers


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Img Capacity (USG) Name SKU Length (in) Width (in) Height (in) Price
Carat S Underground Tank 2700L (700 USG) with Sealing Set | 372024 700.0 Gallons Carat S Underground Tank 2700L (700 USG) with Sealing Set | 372024 GRAF Carat S Underground Tank 2700L (700 USG) with Sealing Set | 372024 372024 82 62 80
Regular price $1,686.45 CAD
Sale price $1,686.45 CAD Regular price
Carat S Underground Tank 3750L (1000 USG) with Sealing Set | 372025 1000.0 Gallons Carat S Underground Tank 3750L (1000 USG) with Sealing Set | 372025 GRAF Carat S Underground Tank 3750L (1000 USG) with Sealing Set | 372025 372025 85 65 85
Regular price $1,868.18 CAD
Sale price $1,868.18 CAD Regular price
Carat S Underground Tank 4800L (1250 USG) with Sealing Set | 372026 1250.0 Gallons Carat S Underground Tank 4800L (1250 USG) with Sealing Set | 372026 GRAF Carat S Underground Tank 4800L (1250 USG) with Sealing Set | 372026 372026 90 78 72
Regular price $2,889.47 CAD
Sale price $2,889.47 CAD Regular price
1700 Gallon Carat S Underground Tank 6500 L with Sealing Set | 372027 1700.0 Gallons 1700 Gallon Carat S Underground Tank 6500 L with Sealing Set | 372027 GRAF 1700 Gallon Carat S Underground Tank 6500 L with Sealing Set | 372027 372027 94 86 83
Regular price $3,006.05 CAD
Sale price $3,006.05 CAD Regular price


Collection: GRAF Heavy Duty Pump Chambers

These German-engineered tanks are suitable to be buried up to 1.2 meters (about 4 feet) and can handle H5 vehicle loading up to 3.5 metric tons or approximately 8000 lbs. per axle. They're suitable for colder climates and areas with occasional high water table up to mid tank level when tank is empty (up to top of tank for the 2700, 3750 and 4800 L models).

These pump chambers feature the lowest shipping and handling cost of any tank line. Tanks consist of 2 identical half-shells to fit 5-9 tanks per pallet and allow for up to 8 times the volume of tanks to be shipped at once.