The Pentek 154638 is the correct replacement for the following housing units:
The Pentek 154638 Mounting Bracket Filter Housing Cap is a mounting bracket cap that is equipped with a pressure relief valve. Also known as part number 154638, this housing cap has a 3/4" inlet NPT/outlet connection.
Pentek Mounting Bracket Housing Cap specifications:
Be sure to protect your housing unit against freezing, to prevent cracking of the filter and avoid water leakage. The Pentek 154638 will fit all Pentek 3G Standard #10 and #20 filter housings.