{"product_id":"pcba-replacement-pentair-521319z-precise-chemical-control","title":"PCBA Replacement | Pentair | 521319Z | (Precise Chemical Control)","description":"\u003cdiv\u003e\n\u003cp\u003ePentair PCBA Replacement Ichem | 521319Z is a targeted PCB module replacement designed to address common water issues. When your water test results show algae growth, cloudy water, elevated metals, or scale, this PCBA helps restore accurate dosing and responsive control for your system.\u003c\/p\u003e\n\u003cp\u003eIdeal for pool, spa, or residential water-treatment setups that rely on Pentair Ichem control, the replacement board improves dosing precision, reduces chemical waste, and speeds recovery after water disturbances. Built to withstand harsh chemical environments, it maintains stable performance over time and supports consistent water chemistry across seasons.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise dosing control\u003c\/strong\u003e for algae suppression and clearer water\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetal removal optimization\u003c\/strong\u003e and scale prevention through accurate regulation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuick, tool-friendly installation\u003c\/strong\u003e with standard connectors\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable PCB design\u003c\/strong\u003e engineered for long life in pool and spa chemistry\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility\u003c\/strong\u003e designed for Pentair Ichem systems (521319Z)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep your water clean and balanced with a reliable replacement that aligns with your tests and goals. \u003cstrong\u003eAdd to cart\u003c\/strong\u003e today to optimize your water quality and simplify ongoing maintenance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48475773141235,"sku":"PEN521319Z","price":589.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/PEN521319Z_0.jpg?v=1771479207","url":"https:\/\/everklearpoolsupply.com\/products\/pcba-replacement-pentair-521319z-precise-chemical-control","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}