{"product_id":"haywardaquasolarpoolcontrolwithlowvoltageoutputw2sensorand3way2212valveglc2pahppglc2pa","title":"Hayward Aqua Solar Pool Control | GLC-2P-A","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward Goldline GLC-2P-A Solar Pool Heating Control System (GL-235 Controller + 3-Way Valve, Actuator \u0026amp; Sensors)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eGLC-2P-A\u003c\/strong\u003e is an automatic \u003cstrong\u003esolar pool heating control system\u003c\/strong\u003e package built around the\n    \u003cstrong\u003eHayward\/Goldline GL-235\u003c\/strong\u003e differential temperature controller. It automatically turns solar heating on and off by driving a\n    \u003cstrong\u003e24V valve actuator\u003c\/strong\u003e when your roof\/collector temperature is warmer than the pool water, helping maximize free solar heat\n    while preventing unwanted heat loss.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGL-235\u003c\/strong\u003e solar controller (microprocessor-based)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3-way diverter valve\u003c\/strong\u003e (commonly 2\" \/ 2-1\/2\" valve body configuration)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e24V valve actuator\u003c\/strong\u003e for automatic diverting to\/from the solar collectors\u003c\/li\u003e\n    \u003cli\u003e(2) \u003cstrong\u003e10K temperature sensors\u003c\/strong\u003e (typically water sensor + solar\/collector sensor)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eKey Functions \u0026amp; Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDifferential temperature control\u003c\/strong\u003e to automatically collect solar heat only when it’s available\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSelectable high limit\u003c\/strong\u003e to prevent overheating beyond your set point\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNocturnal cooling\u003c\/strong\u003e (selectable) to help cool the pool at night during hot weather (when conditions allow)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFreeze protection\u003c\/strong\u003e (recirculation mode) to help protect plumbing\/collectors in cold conditions (system dependent)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatus LEDs\u003c\/strong\u003e for quick system indication and troubleshooting\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTypical Applications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eIn-ground pool solar heating systems using roof\/ground-mount collectors\u003c\/li\u003e\n    \u003cli\u003eSystems that control solar flow with a \u003cstrong\u003emotorized 3-way valve\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eNew installs or upgrades replacing an older\/failed solar controller package\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eMount the \u003cstrong\u003ecollector sensor\u003c\/strong\u003e where it reads true panel temperature (not shaded or directly influenced by roof vents).\u003c\/li\u003e\n    \u003cli\u003eInstall the \u003cstrong\u003ewater sensor\u003c\/strong\u003e in a representative location per controller instructions for accurate temperature control.\u003c\/li\u003e\n    \u003cli\u003eConfirm valve orientation and actuator cam settings so “Solar ON” and “Solar OFF” positions are correct.\u003c\/li\u003e\n    \u003cli\u003eElectrical wiring and bonding\/grounding should follow local code and manufacturer instructions.\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=GL-235\"\u003eHayward\/Goldline GL-235 Solar Controller (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=GVA-24\"\u003eHayward GVA-24 Valve Actuator (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=solar%20temperature%20sensor%2010k\"\u003eSolar Temperature Sensors (10K) (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=3-way%20diverter%20valve%202%20inch%202.5%20inch\"\u003e3-Way Diverter Valves (2\"\/2-1\/2\") (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=check%20valve%20solar%20pool\"\u003eSolar Check Valves (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20plumbing%20union%202%20inch\"\u003e2\" Unions \u0026amp; Repair Unions (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\u003eAt the start of each season, confirm the actuator fully turns the valve to the correct positions (Solar ON\/OFF) without binding.\u003c\/li\u003e\n    \u003cli\u003eIf solar heating seems inconsistent, check sensor placement and wiring first—bad sensor readings are a common cause of poor control.\u003c\/li\u003e\n    \u003cli\u003eInspect roof\/collector plumbing for air leaks or vacuum breaks that can reduce flow and heating efficiency.\u003c\/li\u003e\n    \u003cli\u003eKeep filters clean—solar systems depend on adequate flow to transfer heat properly.\u003c\/li\u003e\n    \u003cli\u003eIf you use nocturnal cooling, verify it’s enabled only when desired; it can lower pool temperature intentionally at night.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797879476399,"sku":"GLC-2P-A","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/hayward-aqua-solar-pool-control-glc-2p-a-pool-automation-1668346.jpg?v=1777068642","url":"https:\/\/freshized.com\/products\/haywardaquasolarpoolcontrolwithlowvoltageoutputw2sensorand3way2212valveglc2pahppglc2pa","provider":"Freshized","version":"1.0","type":"link"}