{"product_id":"haywardproseriesvalveclampgmx600nmhppgmx600nm","title":"Hayward Pro-Series Valve Clamp | GMX600NM","description":"\u003cdiv class=\"product-description\"\u003e\n\n  \u003ch2\u003eHayward GMX600NM Valve Clamp Assembly for Pro-Series Top-Mount Sand Filters\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Hayward \u003cstrong\u003eGMX600NM\u003c\/strong\u003e is the OEM \u003cstrong\u003e2-piece valve clamp assembly\u003c\/strong\u003e used to secure a top-mount multiport valve\n    to the filter tank on select Hayward Pro-Series sand filters. If your existing clamp is cracked, warped, stripped, or won’t tighten evenly,\n    replacing the clamp helps restore a tight, stable valve-to-tank connection and can help prevent leaks caused by poor clamp tension.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eFits \/ Compatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHayward \u003cstrong\u003ePro Series\u003c\/strong\u003e top-mount sand filters including common models such as \u003cstrong\u003eS166T\u003c\/strong\u003e, \u003cstrong\u003eS180T\u003c\/strong\u003e, \u003cstrong\u003eS210T\u003c\/strong\u003e, \u003cstrong\u003eS230T\u003c\/strong\u003e, and \u003cstrong\u003eS244T\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eAlso commonly used on additional Hayward top-mount sand filter families that use this clamp style (verify your filter model and clamp style)\u003c\/li\u003e\n    \u003cli\u003eFrequently paired with Hayward Vari-Flo XL top-mount valves that clamp to the tank (for example, valve assemblies that list \u003cstrong\u003eGMX600NM\u003c\/strong\u003e as the included clamp)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat It Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eClamps the \u003cstrong\u003emultiport valve\u003c\/strong\u003e securely to the \u003cstrong\u003efilter tank flange\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eProvides even clamping force so the tank O-ring can seal properly\u003c\/li\u003e\n    \u003cli\u003eHelps prevent valve shifting, seepage, and clamp failure from cracked or fatigued plastic\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e(2) Black Noryl clamp halves (GM600-NM is commonly molded into each half)\u003c\/li\u003e\n    \u003cli\u003e(2) Bolts (commonly ~\u003cstrong\u003e2-1\/8\"\u003c\/strong\u003e length)\u003c\/li\u003e\n    \u003cli\u003e(2) Nuts\u003c\/li\u003e\n    \u003cli\u003e(2) Rubber end caps (bolt caps)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e This clamp secures the valve to the tank. The \u003cstrong\u003etank O-ring\u003c\/strong\u003e that seals between the valve and tank is\n    typically a separate part (often referenced as \u003cstrong\u003eGMX600F\u003c\/strong\u003e on many setups). If you have a leak at the valve-to-tank seam,\n    consider replacing the O-ring at the same time.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eClamp is cracked, split, or sun-brittle\u003c\/li\u003e\n    \u003cli\u003eClamp won’t tighten evenly or won’t hold tension\u003c\/li\u003e\n    \u003cli\u003eValve shifts or rocks on the tank flange\u003c\/li\u003e\n    \u003cli\u003eLeak at the valve-to-tank connection due to poor clamping (after confirming the tank O-ring is in good shape)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off the pump and \u003cstrong\u003erelieve filter pressure\u003c\/strong\u003e before loosening any clamp hardware.\u003c\/li\u003e\n    \u003cli\u003eClean the tank flange and valve mating surfaces so the clamp seats flat and evenly.\u003c\/li\u003e\n    \u003cli\u003eTighten the clamp hardware evenly to avoid cocking the valve or pinching the O-ring.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, run the system and check carefully for seepage around the clamp seam.\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=GMX600NM\"\u003eHayward GMX600NM Valve Clamp (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=GMX600F\"\u003eHayward GMX600F Tank O-Ring (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=SP071620T\"\u003eHayward SP071620T Vari-Flo XL Top-Mount Valve (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pro%20series%20sand%20filter%20parts%20hayward\"\u003eHayward Pro Series Sand Filter Parts (search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=silicone%20pool%20lube\"\u003eSilicone O-Ring \u0026amp; Gasket Lubricant (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\u003eKeep the clamp area clean—grit on the flange or O-ring can cause leaks and uneven clamp tension.\u003c\/li\u003e\n    \u003cli\u003eDo not overtighten to “stop” a leak; replace the tank O-ring if it’s flattened, stretched, or nicked.\u003c\/li\u003e\n    \u003cli\u003eIf the valve-to-tank joint seeps after service, depressurize, re-seat the valve evenly, and retighten the clamp uniformly.\u003c\/li\u003e\n    \u003cli\u003eShade exposed equipment when possible—direct sun accelerates plastic aging.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52589938835772,"sku":"GMX600NM","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/hayward-pro-series-valve-clamp-gmx600nm-pool-filter-parts-8767702.jpg?v=1772790146","url":"https:\/\/aquapoolsupply.com\/products\/haywardproseriesvalveclampgmx600nmhppgmx600nm","provider":"Aqua Pool Supply","version":"1.0","type":"link"}