Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
The Pentair Quad DE Bottom Tank Assembly is a crucial component of the Quad DE Filter system, designed to provide exceptional filtration for your pool or spa. This assembly features a durable tank with a precision-engineered design that ensures efficient water flow and thorough filtration. The bottom tank is constructed from high-quality materials to withstand the rigors of regular use and harsh outdoor conditions, providing long-lasting performance. Easy to install and maintain, the Pentair Quad DE Bottom Tank Assembly is an essential part of keeping your pool water clean and clear.
- Essential Filtration Component: A vital part of the Pentair Quad DE Filter system, ensuring exceptional filtration for pools and spas.
- Precision-Engineered Design: Features a durable tank specially designed for efficient water flow and comprehensive filtration.
- High-Quality Construction: Built from premium materials to withstand harsh outdoor conditions and regular use, guaranteeing long-lasting performance.
- User-Friendly Installation: Easy to install and maintain, making it convenient for pool owners and operators.
- Optimal Water Clarity: Contributes significantly to keeping your pool water clean and clear, ensuring a more enjoyable swimming experience.
- Compatible with Pentair Quad D.E. Pool Filters

