Pentek (143339) Head Nut Gasket Kit for ST-1, ST-2, and ST-3 PUMP ACCESSORIES Full sink coverage

Full sink coverage

Air gap models include three-line configuration with tank inlet

Drops into the meter body during valve service or rebuild

Chemical exposure and wear can degrade the silicone over time

5" E-Series GAC carbon filter designed for pre-RO applications

Pentek (143339) Head Nut Gasket Kit for ST-1, ST-2, and ST-3 PUMP ACCESSORIES Full sink coveragePentek Replacement Parts Pentek 143339 Head Nut Gasket Kit Genuine OEM gasket kit engineered for ST 1, ST 2, and ST 3 stainless steel filter housings Prevents leaks and system failures Maintains cap integrity Genuine Pentek OEM The Pentek 143339 gasket kit is manufactured to exact specifications for the ST series stainless steel housings. Regular replacement of these critical seals prevents unexpected shutdowns and maintains consistent water flow.