Pentair System 3 Tank Bottom Kit, 21", Modular/DE | 24850-0102S Salt Systems low-effort pool closure

low-effort pool closure

This pump is a core component of pool water care and filtration maintenance

Introducing the CMP Heavy Duty Leaf Trap Canister Basket - 27182-020-000

serial number

Installers verify correct motor frame and horsepower before installation

Pentair System 3 Tank Bottom Kit, 21", Modular/DE | 24850-0102S Salt Systems low-effort pool closureWhat This Part Is Used For Pentair 24850 0102S Bottom Tank Kit is a replacement lower tank section for 21in System III Mod DE filter assemblies. It forms the base housing that supports the internal filter components. Why This Part Matters A cracked or leaking lower tank can cause pressure loss and water leakage around the equipment pad. Replacing the bottom tank restores structural integrity and proper filtration performance. This is critical after