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Home > Water Filter Brands > Pentek Water Filters > Pentek Filter Housings > PENTEK-150235


20-BB 1.5" Whole House Water Filter System

1.5" inlet/outlet; Uses 20" x 4.5" Filters (Sold Separately)

Pentek 150235 Big Blue Whole House Water Filter Housing and Pentek 150235 Commercial Water Filter System
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Product Code: PENTEK-150235
See Below for 3/4" & 1" Inlet/Outlet Housings
Retail Price: $91.99
  • #20 Big Blue Whole House Water Filter Information:
  • Large capacity whole house water filter housing for high flow applications.
  • The #20 heavy-duty whole house water filter construction can be used for heavy sediment applications.
  • Durable construction.
  • The #20 Big Blue housing's pressure release button on the cap allows for release of the whole house water filter pressure in order to more easily unscrew the sump from the cap.
  • If installed before appliances with a sediment filter, the #20 Big Blue water filter housings extend the life of washing machines, water heaters, and other household appliances by reducing sediment before it reaches the 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.
  • Connecting two #20 Big Blue Housings:
  • Two #20 Big Blue housings can be connected with a pipe nipple or pipe union.
  • NP-15 - Use this pipe nipple to connect two #20 Housings with 1.5" Inlet/Outlets
  • 1.5" #20 Big Blue Water Filter Housing:
  • Dimensions: 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)
  • 1.5" #20 Big Blue Housing Materials of Construction:
  • Housing: Polypropylene (Blue)
  • Cap: Polypropylene (HFPP)
  • O-Ring: Buna-N
  • Manufacturer: Pentek 150235
  • 1.5" #20 Big Blue Whole House Replacement Water Filter Information:
  • The #20 Big Blue whole house filter system uses 20" x 4.5" water filter cartridges. The water filter cartridge is not included allowing you to select the best water filter for your water filtration needs. There are two water filter options in the Related Products section below. There are many more 20" x 4.5" water filters available on our 20" x 4.5" water filter page.
  • 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" 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" Filter Page.
  • The water filter cartridge life depends on the water filter cartridge purchased and the water quality.
  • 1.5" #20 Big Blue Whole House Replacement Parts:
  • Replacement Cap: 154167. Use to replace the cap that comes with the system.
  • Replacement Sump: 20-BB-SB. Use to replace the sump that comes with the system.
  • Replacement O-Ring: OR-100. Use to replace the o-ring that comes with the system.
  • O-Ring Lubricant: OR-LUBRICANT-LG. Sold Separately.
  • Wrench: SW-4. Sold Separately.
  • Bracket: WB-SS. Used to mount one whole house system. Sold Separately.
  • Double Bracket: 2WB-SS. Used to mount two whole house systems. Sold Separately.
  • Double Bracket: 3WB-SS. Used to mount three whole house systems. Sold Separately.
  • Plumber’s Tape: Plumbers-TP. Sold Separately.
  • 1.5" #20 Big Blue Whole House Filter System Manual:
  • The #20 Big Blue Whole House Water Filtration System is easy to install.
  • The whole house system has 1.5" inlet/outlets for easy installation on the 1.5" main cold water line.
  • If you have 3/4" water lines, purchase the 20-BB-34 water filter housing.
  • If you have 1" water lines, purchase the 20-BB water filter housing.
  • #20 Big Blue Housing Product Manual
  • #20 Big Blue Installation Manual

Whole House Water Filter Systems Overview Video:



Quantity Unit Price
1 - 2 $86.49
3 - 5 $83.89
6+ $81.29
Availability: In-Stock
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