{"product_id":"haywardpoolproductsinc_glx-trol-timer","title":"Hayward Grasslin FM\/1 24-Hour Timer for AquaTrol RJ Salt Water Chlorinator | GLX-TROL-TIMER","description":"\u003cp\u003eThe Hayward Grasslin FM\/1 24-Hour Timer (GLX-TROL-TIMER) is the OEM replacement timer for the Hayward AquaTrol RJ above-ground return salt water chlorinator system, operating at 120V \/ 60Hz.\u003c\/p\u003e\n\n\u003cp style=\"background-color: #fff3cd; border: 2px solid #FFEAA7; padding: 15px; border-radius: 5px; margin: 15px 0; color: #856404;\"\u003e\u003cstrong\u003eIMPORTANT: ELECTRICAL CONTROL COMPONENT\u003c\/strong\u003e\u003cbr\u003eElectrical control components must be installed or replaced by a qualified electrician or certified pool technician. Do not attempt installation without appropriate certification and a full understanding of the system's electrical requirements.\u003c\/p\u003e\n\n\u003cp\u003eThis timer controls the on\/off operating cycle of the AquaTrol RJ chlorinator, allowing the unit to run only during scheduled intervals. Replacing a failed or inaccurate timer restores precise cycle control and ensures your salt chlorination system operates within its intended run-time parameters.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0; border: 1px solid #ccc;\"\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eHayward Part Number\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eGLX-TROL-TIMER\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eTimer Model\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eGrasslin FM\/1 STUZH-120\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e120V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e60 Hz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eCycle Type\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e24-Hour\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color: #ffffff;\"\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e761418010837\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePoolaroo Pro Tip\u003c\/h3\u003e\n\u003cp\u003eWhen replacing the timer, note your existing on\/off tab settings before removing the old unit so you can replicate your chlorinator's run schedule on the new timer without guesswork. Given that this component operates at 120V, always disconnect power to the AquaTrol RJ system at the breaker before beginning any work, and have a qualified technician complete the installation.\u003c\/p\u003e\n\n\u003c!-- wft:processed:manual:2026-06-18 --\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":54308412293395,"sku":"GLX-TROL-TIMER","price":120.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/0687\/5411\/files\/hayward-grasslin-fm-1-24-hour-timer-for-aquatrol-rj-salt-water-chlorinator-glx-trol-timer-1.webp?v=1786951263","url":"https:\/\/poolaroo.com\/products\/haywardpoolproductsinc_glx-trol-timer","provider":"Poolaroo","version":"1.0","type":"link"}