Pentek 153013 Standard 20-inch Blue Replacement Sump
The Pentek 153013 is a high-quality replacement blue sump designed for Standard 20-inch filter housings.1 Manufactured from durable, reinforced polypropylene, this opaque blue sump is ideal for applications where you want to hide the filter cartridge from view or protect light-sensitive filters from algae growth caused by sunlight exposure.2
This is a direct replacement part for the bottom “cup” portion of your filtration system, allowing you to restore your water filter to peak performance without replacing the entire mounting head.
Key Features
Opaque Blue Design: The solid blue color hides sediment and cartridge discoloration, providing a cleaner aesthetic for visible filtration systems.
Durable Construction: Built from reinforced polypropylene, offering excellent chemical resistance and pressure durability for long-term residential or light commercial use.3
Standard Compatibility: Fits most Pentek, Pentair, Ametek, and US Filter #20 Standard housings that use 2.5-inch diameter cartridges.
Seamless Fit: Engineered to factory specifications to ensure a watertight seal when paired with the correct O-ring.
Technical Specifications
| Dimension | Measurement |
| Model Number | 153013 |
| Overall Height | 20-7/16″ (20.4375″) |
| Outside Diameter (Top) | 5.068″ |
| Inside Thread Diameter | 4.161″ |
| Threaded Area Depth | 0.883″ (to O-ring seal) |
| Material | Reinforced Polypropylene |
| Color | Blue |
Maintenance Tip: The O-Ring Seal
When replacing your sump, it is the perfect time to inspect your O-ring (typically Pentek #151120). To ensure a leak-proof seal and prevent the rubber from drying out or pinching, apply a thin layer of food-grade silicone lubricant to the O-ring before threading the new sump onto the housing head.
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