Fat Boy 500 Gallon Septic Tank

Fat Boy 500 Gallon Septic Tank

Fat Boy 500 USG Septic Tank – Heavy-Duty, Lightweight, and Compact Waste Management Solution

The Fat Boy 500 USG Septic Tank is a high-performance, compact solution engineered for efficient residential waste treatment. Constructed from High-Density Polyethylene (HDPE), this tank features a spherical design that is inherently stronger than rectangular tanks, providing excellent resistance to external soil pressures and hydrostatic forces. The robust plastic material is completely immune to the corrosion and cracking issues common with concrete, ensuring a long, leak-proof, and maintenance-free lifespan. The 500 US Gallon capacity makes it an ideal fit for smaller homes or properties requiring a reliable, permanent waste treatment system. Being significantly lighter than concrete, the Fat Boy tank dramatically reduces transportation costs and simplifies installation, often eliminating the need for heavy equipment.

Key Benefits

• Superior Structural Integrity: Spherical shape and HDPE material provide maximum resistance to cracking and earth pressures.
• 500 USG Capacity: Perfectly sized for smaller homes and properties with moderate waste flow.
• Corrosion Proof: Unaffected by corrosive soil conditions or chemicals found in wastewater.
• Easy & Low-Cost Installation: Lightweight design simplifies handling and placement, saving time and labor.
• Single Compartment: Efficiently handles initial solid/liquid separation for easy primary treatment.

Technical Specifications

• Part Number: (Specific to the Fat Boy 500 USG model)
• Capacity: 500 US Gallons (Approx. 1893 Litres)
• Material: High-Density Polyethylene (HDPE)
• Design: Spherical/Globe
• Compartments: Single Compartment
• Access Riser: Red, large diameter for easy inspection and pump-out
• Grade: Residential Sewage

Perfect For

• Small to medium residential homes (up to 3 bedrooms typically).
• Vacation homes, guest houses, and cabins.
• New septic system installations where space is a constraint.
• Replacing old, failing, or undersized concrete tanks.
• Environmentally responsible projects requiring a reliable, leak-proof tank.

Application Instructions

• Excavation: Dig a pit with a level base according to local code specifications.
• Bedding: Place the tank on a minimum of 6-10 inches of well-compacted, granular backfill (sand/pea gravel).
• Backfill & Water: Before backfilling, fill the tank with water to prevent it from shifting or collapsing under soil pressure.
• Compaction: Backfill around the sides using granular material, compacting in lifts up to the inlet/outlet pipes.
• Connections: Connect the inlet and outlet pipes using flexible pipe connections.
• Maintenance: Always ensure the tank is refilled with water immediately after pumping for maintenance.

Pro Tips

• Verify local regulations to ensure the 500 USG capacity is adequate for your property’s usage.
• Use caution when working with the inlet/outlet ports to ensure a tight, sealed connection.
• Avoid exposing the empty tank to prolonged sunlight before installation to prevent material warping.
• Do not drive heavy equipment over the installation site unless the backfill meets specific protective standards.
• Conduct regular maintenance (pumping) to prolong the life of the entire septic system.

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