154166 - 1 Inch Black Cap w/ Pressure Release for Big Blue Housings

Price $44.99
Availability: In stock
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  • 1 Filter $44.99  
  • 3 Filters Price $42.33 each
  • 6 Filters Price $40.49 each
The 154166 housing top has a red pressure release button that can be used for optional pressure relief or bleed. The 154166 filter housing cap has 1-inch NPT inlet and outlet ports. There is a 1-1/4-inch internal port that allows a greater volume of liquid to pass through the cap more rapidly. The 1-inch inlet/outlet filter housing cap is made of high-flow polypropylene. The 154166 water filter housing cap fits number 10 Big Blue Polypropylene housings and number 20 Big Blue water filter housings.
Package Qty 1
Used In Brands American Plumber, Ametek, Culligan, Pentek
Manufacturer's Id 154166
UPC 799932589904
Actual Size (in) 7 1/4 inches (outside diameter)
Actual Size (cm) 18.415
Materials of Construction Polypropylene (HFPP)
Fitting Size (inches) 1 inch
Color Black

The PENTEK-154166 is comparable with the following part numbers



  1. Use a SW-3 wrench to unscrew the Number 10 Big Blue housing sump from the housing cap
  2. Use a SW-4 wrench to unscrew the Number 20 Big Blue housing sump from the housing cap
  3. Note: Protect against freezing to prevent cracking of the filter and water leakage

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