Pentek (143339) Head Nut Gasket Kit for ST-1, ST-2, and ST-3 PUMP ACCESSORIES The QS-810 quartz sleeve surrounds

The QS-810 quartz sleeve surrounds the UV lamp in your Viqua system

Use this standard when measuring boiler feedwater

Each sachet contains high-purity potassium chloride solution standardized against NIST-traceable conductivity standards

tears in screen mesh

Pentek (143339) Head Nut Gasket Kit for ST-1, ST-2, and ST-3 PUMP ACCESSORIES The QS-810 quartz sleeve surroundsPentek 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.