{"product_id":"com-port-expansion-module-compact-plastic-replacement-part-pentair-520818","title":"Com Port Expansion Module Compact Plastic Replacement Part | Pentair | 520818","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003ePentair Com Port Expansion Module\u003c\/strong\u003e (520818) simplifies pool operation by expanding your automation capability and allowing more equipment to be controlled from a single interface. Use this Com Port Expansion Module to increase the number of connected devices your Pentair automation system can manage — saving time and reducing manual adjustments.\u003c\/p\u003e \u003cp\u003eDesigned for busy pools and growing setups, this expansion adds Com Port connections to your control system so you can wire in extra pumps, valve actuators, chlorinators, heaters, and other compatible devices. It transforms how you manage your pool by enabling centralized control, precise scheduling, and remote management from your existing dashboard, boosting energy efficiency and overall convenience.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExpands Com Port capacity\u003c\/strong\u003e to connect additional equipment beyond the base system\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug‑and‑play wiring\u003c\/strong\u003e simplifies installation and reduces setup time\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCentralized control and scheduling\u003c\/strong\u003e from a single control panel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSupport for remote management\u003c\/strong\u003e and real‑time status updates\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, pool‑environment design\u003c\/strong\u003e built for reliable operation in outdoor circuits\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re upgrading an aging setup or planning a larger pool, this module offers installation compatibility with your Pentair automation ecosystem, helping you scale without replacing core hardware. \u003cstrong\u003eAdd to cart\u003c\/strong\u003e to simplify your pool automation today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48475772780787,"sku":"PEN520818","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/7101\/1571\/files\/PEN520818_0.jpg?v=1771479189","url":"https:\/\/everklearpoolsupply.com\/products\/com-port-expansion-module-compact-plastic-replacement-part-pentair-520818","provider":"Ever-Klear Pool Supply","version":"1.0","type":"link"}