{"product_id":"pentairtr50airrelieftube150040pen150040","title":"Pentair TR50 Air Relief Tube | 150040","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair 150040 Air Relief Tube for Triton II TR50 \/ TR60 Sand Filters (After 11\/1999)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \u003cstrong\u003e150040\u003c\/strong\u003e is an OEM replacement \u003cstrong\u003eair relief tube\u003c\/strong\u003e used on select Pentair\/PacFab\n    \u003cstrong\u003eTriton II\u003c\/strong\u003e sand filters. This internal tube helps route trapped air to the filter air-relief system during startup and after service,\n    supporting proper air purge, stable pressure readings, and normal filter operation.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCommon Compatibility (Verify by Model \u0026amp; Production Date)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePentair\/PacFab Triton II\u003c\/strong\u003e sand filters: \u003cstrong\u003eTR50\u003c\/strong\u003e and \u003cstrong\u003eTR60\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCommonly listed for units manufactured \u003cstrong\u003eafter November 1999\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Important: Triton\/Triton II internal parts can vary by production version. Confirm your filter model and date range before ordering.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 150040\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart type:\u003c\/strong\u003e Internal air relief tube\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon cross reference:\u003c\/strong\u003e 4600-0040\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTypical application:\u003c\/strong\u003e Triton II TR50\/TR60 air relief path\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHelps vent trapped air from the filter tank during startup and after maintenance\u003c\/li\u003e\n    \u003cli\u003eSupports smoother priming and more stable filter pressure readings\u003c\/li\u003e\n    \u003cli\u003eRestores proper air-relief function when the original tube is brittle, cracked, kinked, or missing\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Signs You May Need Replacement\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAir does not purge properly after filter service\u003c\/li\u003e\n    \u003cli\u003eVisible cracking, brittleness, or kinking of the tube\u003c\/li\u003e\n    \u003cli\u003eErratic pressure readings caused by trapped air (after ruling out other system issues)\u003c\/li\u003e\n    \u003cli\u003eTube comes loose or no longer seats correctly\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 all filter pressure\u003c\/strong\u003e before opening the filter.\u003c\/li\u003e\n    \u003cli\u003eRemove the old tube and inspect the air-relief path for debris, scale, or blockage.\u003c\/li\u003e\n    \u003cli\u003eInstall the new tube in the same routing\/orientation as the original to avoid kinks.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, restart the system and bleed air until a steady stream of water is present.\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%20150040\"\u003ePentair 150040 Air Relief Tube (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Triton%20II%20TR50%20parts\"\u003eTriton II TR50 Filter Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Triton%20II%20TR60%20parts\"\u003eTriton II TR60 Filter Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Pentair%20190059Z\"\u003ePentair 190059Z Pressure Gauge (Search)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=filter%20air%20relief%20assembly\"\u003eFilter Air Relief Assemblies \u0026amp; Parts (Search)\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eAlways bleed air after filter service and startup to protect the system and stabilize pressure readings.\u003c\/li\u003e\n    \u003cli\u003eIf air repeatedly collects in the filter, inspect suction-side fittings, pump lid O-ring, and drain plugs for air leaks.\u003c\/li\u003e\n    \u003cli\u003eKeep the air relief path clean to prevent blockage from scale or debris.\u003c\/li\u003e\n    \u003cli\u003eRecord your clean starting pressure and service the filter when pressure rises about 8–10 PSI over baseline.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589948567868,"sku":"150040","price":20.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/aquapoolsupply.com\/products\/pentairtr50airrelieftube150040pen150040","provider":"Aqua Pool Supply","version":"1.0","type":"link"}