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Water Filters Home > Whole House Water Filters > 20" Big Blue Whole House System


#20 Big Blue Whole House
Water Filter System

Uses 20" x 4.5" Filters
3/4", 1", or 1.5" inlet/outlet

20 Inch Big Blue Whole House Water Filter System from Ametek, Culligan, USFilter, and others
#20 Big Blue Housing Product Manual
#20 Big Blue Installation Manual
(Download Adobe Reader)



3/4" Inlet/Outlet

Product Code: 20-BB-34






1" Inlet/Outlet

Product Code: 20-BB






1.5" Inlet/Outlet

Product Code: 20-BB-15






20" Big Blue Replacement Sump

(Bottom half of housing)
Product Code: 20-BB-SB



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 20" Big Blue Filters
DGD-5005-20 Sediment Water Filter for the 20 Inch Big Blue Whole House Filter System S120-BB Sediment Water Filter for the 20 Inch Big Blue Whole House Filter System GAC-20BB Drinking Water Filter for the 20 Inch Big Blue Whole House Filter System
DGD-
5005-20 		S120
-BB 		GAC-
20BB

Recommended Filters for the 20" Big Blue
  • #20 Big Blue Whole House Water Filter:
  • Large capacity whole house water filter housing for high flow applications
  • The #20 heavy-duty whole house water filter construction for heavy-sediment capabilities
  • Ideal for residential, commercial, and industrial applications
  • Durable construction
  • Pressure Release Button for fast release of the whole house water filter pressure
  • Extends the life of washing machines, water heaters, and other household appliances
  • Ideal for homes, farms, private wells, restaurants, swimming pools, spas, and trickle irrigation
  • Leaking and clogging is prevented by the dynamically sealing, self-cleaning O-Ring
  • #20 Big Blue Whole House Replacement Water Filters and Installation Information:
  • Easy to install 20" Heavy-Duty Big Blue Whole House Water Filter System
  • 3/4", 1", or 1.5" inlet/outlet options for easy installation on a cold water line
  • 3/4", 1", or 1.5" inlet/outlet for high-flow/heavy-sediment capabilities with minimal pressure drop
  • Water filter cartridge life depends on the water filter cartridge purchased and the quality of your water
  • Filter cartridge not included
  • Sediment water filters reduce dirt, sand, silt, sediment, rust particles, and scale particles. Choose from one of our sediment water filters at the 20" x 4.5" Big Blue Filter Page
  • Drinking water filters produce healthier, better-tasting drinking water. Choose from one of our carbon drinking water filters at the 20" x 4.5" Big Blue Filter Page
  • Pentek #20 Big Blue Water Filter Housing:
  • Dimensions of 3/4" and 1" inlet/outlet housings: 23-3/8" x 7-1/4" (594 mm x 184 mm)
  • Dimensions of 1.5" inlet/outlet housings: 23-7/8" x 7-1/4" (606 mm x 184 mm)
  • Maximum Temperature:
    100°F (37.8°C)
  • Maximum Pressure: 90 psi (6.2 bar)
  • Pentek #20 Big Blue Housing Materials of Construction:
  • Housing: Polypropylene (Blue)
  • Cap: Polypropylene (HFPP)
  • O-Ring: Buna-N