20" x 44" Septic Tank Riser Kit

The 20" x 44" septic tank riser kit raises your septic system access point well above ground level, making inspections, pumping, and servicing more convenient—especially for tanks installed deeper underground. This tall configuration helps reduce or eliminate the need for excavation during maintenance. This kit includes a 20" diameter riser, a secure cover, and all required installation hardware. Each component is made from heavy-duty, UV-resistant polyethylene, engineered to withstand outdoor exposure, moisture, and long-term soil contact without corroding. The fitted cover helps protect against water intrusion and limits unauthorized access. Key Features: 20" diameter riser with 44" total height for deep-set septic systems Durable, corrosion-resistant polyethylene construction Tight-fitting cover for added safety and protection Compatible with most standard septic tank openings (verify dimensions before purchase) Includes installation hardware Installation Notes: This riser kit is suitable for both new and existing septic systems. Before ordering, confirm the tank opening size and height needed for your setup. Professional installation is recommended to ensure proper sealing, code compliance, and long-term reliability. Routine inspection of riser components will help maintain system performance and prevent water intrusion. Note: Dimensions shown are for the kit base. This model includes a 3" safety pan with an inner diameter of 20" due to a slight bevel. Dome lids add approximately 1" to overall height. Upgrades to flat lids are available for an additional cost. Remove any existing concrete lid before installation. Please confirm diameter and height before ordering. Return shipping costs for incorrectly ordered sizes are the customer’s responsibility.