{"product_id":"haywardsenseanddispenseorpandphsensechemistryautomationhlchemhpphlchem","title":"Hayward Sense and Dispense , ORP and PH Sense, Chemistry Automation | HLCHEM","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward HL-CHEM Sense \u0026amp; Dispense Chemistry Kit (ORP \u0026amp; pH Sensing + pH Dispense Control) for OmniLogic \/ OmniHub\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eHL-CHEM\u003c\/strong\u003e is an OEM \u003cstrong\u003ewater chemistry sensing and control kit\u003c\/strong\u003e that adds continuous\n    \u003cstrong\u003eORP (sanitizer activity)\u003c\/strong\u003e and \u003cstrong\u003epH monitoring\u003c\/strong\u003e to compatible Hayward automation. When paired with a compatible\n    chlorine source and a pH-reduction feed device, the system can automatically maintain more consistent sanitizer activity and pH balance\n    with far less manual adjustment.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat It Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eContinuously measures ORP and pH\u003c\/strong\u003e from a small sample stream on the return line.\u003c\/li\u003e\n    \u003cli\u003eDisplays readings in your automation interface for tracking and troubleshooting.\u003c\/li\u003e\n    \u003cli\u003eProvides \u003cstrong\u003econtrol outputs for pH reduction\u003c\/strong\u003e (acid feed pump or solenoid valve) using included power pigtails.\u003c\/li\u003e\n    \u003cli\u003eWorks with automation logic to help maintain stable water balance and more consistent sanitation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned as an accessory for Hayward \u003cstrong\u003eOmniLogic\u003c\/strong\u003e automation systems.\u003c\/li\u003e\n    \u003cli\u003eAlso commonly used with Hayward \u003cstrong\u003eOmniHub\u003c\/strong\u003e systems where Sense \u0026amp; Dispense chemistry control is supported.\u003c\/li\u003e\n    \u003cli\u003eRequires a compatible sanitation method (such as salt chlorination or another controlled chlorine source) and a pH reduction method.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eORP probe\u003c\/strong\u003e (professional grade)\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003epH probe\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eSampling\/installation hardware typically used to mount probes on a sample stream\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH dispense pigtails:\u003c\/strong\u003e one \u003cstrong\u003e120V\u003c\/strong\u003e and one \u003cstrong\u003e240V\u003c\/strong\u003e receptacle lead to power\/control a pH-reducing device\u003c\/li\u003e\n    \u003cli\u003eTubing\/connectors and mounting hardware used for a standard install (as supplied by the manufacturer)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eImportant:\u003c\/strong\u003e A chemical feed device (acid pump, solenoid valve, CO2 kit, etc.) is typically \u003cstrong\u003enot included\u003c\/strong\u003e.\n    You’ll choose the dispense method that matches your installation.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Installation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eInstall the sensing cell\/sample point in the recommended plumbing location with steady flow and easy service access.\u003c\/li\u003e\n    \u003cli\u003eCalibrate probes after installation and any time readings drift.\u003c\/li\u003e\n    \u003cli\u003eUse the correct dispense pigtail voltage (\u003cstrong\u003e120V or 240V\u003c\/strong\u003e) for your pH reduction device.\u003c\/li\u003e\n    \u003cli\u003eKeep probes wet and protected when removed; dried-out probes can be damaged.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for electrical and chemical feed integration.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Add HL-CHEM\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eReduce day-to-day manual testing\/adjusting\u003c\/li\u003e\n    \u003cli\u003eMore consistent pH control (less scaling\/corrosion risk from pH swings)\u003c\/li\u003e\n    \u003cli\u003eAutomation-based sanitizer activity tracking using ORP\u003c\/li\u003e\n    \u003cli\u003eIntegrated chemistry control through your Hayward automation platform\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=HL-CHEM\"\u003eHayward HL-CHEM (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=OmniLogic\"\u003eHayward OmniLogic Automation (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=OmniHub\"\u003eHayward OmniHub Automation (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=AQL-CHEM2\"\u003eHayward AQL-CHEM2 CO2 Dispense Kit (120V) (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=AQL-CHEM2-240\"\u003eHayward AQL-CHEM2-240 CO2 Dispense Kit (240V) (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=peristaltic%20acid%20pump%20pool\"\u003ePeristaltic Acid Feed Pumps (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=ORP%20probe%20Hayward\"\u003eReplacement ORP Probes (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pH%20probe%20Hayward\"\u003eReplacement pH Probes (search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTest water manually\u003c\/strong\u003e regularly (especially during seasonal changes) to confirm automation readings stay in sync.\u003c\/li\u003e\n    \u003cli\u003eClean probes as needed if readings drift (scale\/oils can coat the sensing surfaces).\u003c\/li\u003e\n    \u003cli\u003eRecalibrate after cleaning, probe replacement, or major water chemistry changes.\u003c\/li\u003e\n    \u003cli\u003eKeep chemical feed tubing and injection\/check valves inspected—small clogs or leaks can cause big pH swings.\u003c\/li\u003e\n    \u003cli\u003eMaintain balanced water chemistry to reduce scale buildup on probes and plumbing.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52589939097916,"sku":"HL-CHEM","price":974.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/hayward-sense-and-dispense-orp-and-ph-sense-chemistry-automation-hlchem-chemical-feeder-parts-9615315.jpg?v=1772790141","url":"https:\/\/aquapoolsupply.com\/products\/haywardsenseanddispenseorpandphsensechemistryautomationhlchemhpphlchem","provider":"Aqua Pool Supply","version":"1.0","type":"link"}