The Pentek 154515 is the correct replacement for the following systems:
The Pentek 1" Filter Bag Housing Cap is constructed of polypropylene that has 1 inch NPT inlet and outlet ports. Also known as part number 154515, this bag filter housing cap has a black finish with 1/4" vent.
Pentek Filter Bag Housing Cap specifications:
To unscrew the #10 PBH Bag Filter Housing Sump from your Pentek Housing Cap, use a Pentek SW-3 wrench. To unscrew the #20 PBH Bag Filter Housing Sump from the filter housing cap, use the Pentek SW-4 wrench. Be sure to protect your system against freezing in order to prevent cracking of your Pentek filter and water leakage.