{"product_id":"pentair26positiontmmpvunionadaptorkit272590zpen272590z","title":"Pentair 2\" 6-Position TM MPV Union Adaptor Kit | 272590Z","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair 272590Z Union Adapter Kit (2\") for 6-Position Top-Mount Clamp-On Multiport Valves\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair 272590Z is an OEM 2-inch union kit used to connect plumbing to select Pentair 6-position top-mount clamp-on multiport valves.\n    This kit is used when replacing cracked unions, worn union tailpieces, or leaking union connections on the valve body.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatible Equipment (Verify Before Ordering)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2\" 6-position top-mount clamp-on multiport valves, including valve models commonly referenced as \u003cstrong\u003e263085\u003c\/strong\u003e and \u003cstrong\u003e262525\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Always confirm compatibility by checking your valve model number and parts diagram, and verify you need the \u003cstrong\u003e2\"\u003c\/strong\u003e union style.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eProvides the union connection between the multiport valve and 2\" plumbing\u003c\/li\u003e\n    \u003cli\u003eHelps restore a watertight seal at the valve inlet\/outlet union connections\u003c\/li\u003e\n    \u003cli\u003eMakes future service easier by allowing the valve to be disconnected without cutting pipe\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Signs You Need a New Union Kit\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDrips or seepage at the union nut area even after tightening\u003c\/li\u003e\n    \u003cli\u003eCracked union nut or tailpiece\u003c\/li\u003e\n    \u003cli\u003eFlattened, swollen, or damaged union O-ring causing persistent leaks\u003c\/li\u003e\n    \u003cli\u003eUnion threads are stripped or won’t tighten smoothly\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off the pump and relieve filter pressure before servicing the valve or unions.\u003c\/li\u003e\n    \u003cli\u003eInspect and replace the union O-ring(s) if worn; lubricate lightly with pool-safe silicone lubricant.\u003c\/li\u003e\n    \u003cli\u003eHand-tighten the union nut snugly; avoid over-tightening which can crack plastic fittings.\u003c\/li\u003e\n    \u003cli\u003eConfirm the tailpiece seats squarely and the O-ring stays in place during assembly.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products (Aqua Pool Supply)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20263085\"\u003ePentair 263085 Multiport Valve Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20262525\"\u003ePentair 262525 Multiport Valve Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20272541\"\u003eValve Body O-Ring 272541 (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20272556Z\"\u003eSight Glass 272556Z (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20272557Z\"\u003eDrain Plug 272557Z (Search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eKeep union threads clean and free of grit to prevent cross-threading and cracking.\u003c\/li\u003e\n    \u003cli\u003eUse only a small amount of pool-safe silicone lubricant on O-rings; too much can attract debris and compromise sealing.\u003c\/li\u003e\n    \u003cli\u003eIf you need frequent service access, check unions seasonally for hairline cracks and replace at the first sign of damage.\u003c\/li\u003e\n    \u003cli\u003eAfter any valve or filter service, restart the system and re-check unions for slow drips once pressure stabilizes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589949845820,"sku":"272590Z","price":48.94,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aquapoolsupply.com\/products\/pentair26positiontmmpvunionadaptorkit272590zpen272590z","provider":"Aqua Pool Supply","version":"1.0","type":"link"}