{"product_id":"pentairtr140airrelieftube150042pen150042","title":"Pentair TR140 Air Relief Tube 150042","description":"\u003cp\u003eIf your TR140 filter isn’t bleeding air properly after backwashing or startup, the internal air relief tube may be cracked or clogged. The Pentair TR140 Air Relief Tube 150042, restores proper internal venting so your filter operates at full efficiency. This genuine Pentair OEM replacement ensures exact fit and dependable performance inside your TR140 sand filter. It’s a small but essential component that protects your entire circulation system.\u003c\/p\u003e\n\u003ch2\u003eWhat does the Pentair 150042 air relief tube do in a TR140 filter?\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 150042 air relief tube directs trapped air from inside the TR140 sand filter to the air relief assembly, allowing the system to purge air during startup and operation. When this tube is damaged or obstructed, air can remain trapped in the tank, reducing filtration efficiency and increasing pressure irregularities. Replacing it with a genuine Pentair OEM part restores proper venting and smooth system performance—especially when sourced from ShastaPoolSupply.com.\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52341030650223,"sku":"PEN150042","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/2691\/8805\/files\/PentairTR140AirReliefTube150042_1.png?v=1782501016","url":"https:\/\/shastapoolsupply.com\/products\/pentairtr140airrelieftube150042pen150042","provider":"Shasta Pool Supply","version":"1.0","type":"link"}