Do you have a question about the BIG BLUE20 and is the answer not in the manual?
Questions and answers
David Van Couvering
May 30, 2025
Big Blue water filter housing to tight to unscrew. How can I loosen the housing?
I attempted to unscrew by adding more leverage and the handle broke off the tool, so I also need a new tool
Caution: The rubber O-ring provides the water tight seal that the cartridge should be replaced. between the cap and the bottom of housing. Use only PENTAIR replacement cartridges.
After prolonged periods of non-use, such as a vacation, it is recommended that the system be flushed thoroughly. Let water run for 5-6 minutes before using. Wear safety glasses during installation. Installation Instruction Suggested Installation of BIG BLUE20...
Installation ® 1. Apply about three wraps of Teflon tape in clockwise direction to pipe threads of each fitting. 2. Attach mounting bracket to the cap before assembling the fittings. Note: Allow clearance space below housing to enable filter cartridge changes. 3.
A. Turn off water supply to filter. Depress red pressure-relief button on top of filter. Use housing NOTE: Use only PENTAIR replacement cartridges for wrench to unscrew bottom of housing. Turn best results. Failure to use so, will void your warranty.
Troubleshooting Replacement Parts Leaks between cap and bottom of housing: 1. BIG BLUE20 Cap, 1 – inch HEPP blue with pressure – relief 1. Turn off water supply and depress pressure-relief button. 2. BIG BLUE20 heavy duty housing 2. Clean and lubricate O-ring with silicone grease.
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Replacement Parts Cartridge R30-20BB DGD-2501-20 CFB-PLUS-20BB RFFE20-BB Model Pleated Polyester Fabric Pure 100% Modified Molded Blocks Manganese Iron Media Fiberdyne Reduction Polypropylene 30 Microns Pre-filter: 25 Microns 5 - 10 Microns Max. Iron Reduction Substances Reduction Post-filter: 1 Microns < 3 ppm 189,000 Liters 98,421 Liters Filter Capacity*...
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Do you have a question about the BIG BLUE20 and is the answer not in the manual?
Questions and answers
Big Blue water filter housing to tight to unscrew. How can I loosen the housing? I attempted to unscrew by adding more leverage and the handle broke off the tool, so I also need a new tool