{"product_id":"pentair-air-relief-tube-tr40-150039","title":"Pentair TR40 Air Relief Tube | 150039","description":"\u003ch2\u003ePentair TR40 Air Relief Tube | SKU 150039\u003c\/h2\u003e\n\u003cp\u003eReplacement air relief tube for Pentair TR40 \/ Triton II filters—maintains pressure balance and prevents air locks. OEM quality.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRelieves trapped air in the filter to preserve optimal water flow and filter efficiency.\u003c\/li\u003e\n\u003cli\u003eOEM-grade design specifically for Pentair TR40 \/ Triton II systems made after Nov-1999. :contentReference[oaicite:5]{index=5}\u003c\/li\u003e\n\u003cli\u003eApproximately 3.5-inch length fits directly in air relief assembly. :contentReference[oaicite:6]{index=6}\u003c\/li\u003e\n\u003cli\u003eConstructed to resist chemical exposure, UV, and environmental wear. :contentReference[oaicite:7]{index=7}\u003c\/li\u003e\n\u003cli\u003eAffordable replacement reduces risk of air lock or pressure problems in the filtration system. :contentReference[oaicite:8]{index=8}\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair TR40 Air Relief Tube (Part # 150039) performs a critical function: it routes air from the top of your filter tank out through the air relief port. Without it, air may accumulate, causing pressure build-up, reduced flow, or compromised backwash performance. This replacement tube is built for filters in the TR40 \/ Triton II line (after Nov. 1, 1999), fits cleanly into the existing air relief path, and is made of durable material to handle exposure to pool chemicals. It’s engineered for ease of installation—just swap out the old tube with minimal disassembly needed.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eCheck the tube and associated connectors for cracks or wear when replacing; if the O-rings or fittings are degraded, replace them at the same time. Always ensure clean water during fill to avoid trapping debris in the air path, and lightly lubricate O-rings with proper pool-safe lubricant.\u003c\/p\u003e\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.epoolsupply.com\/products\/pentair-strainer-eco-tr-150036?variant=41006241022037\"\u003ePentair Air Relief Strainer | SKU 150035\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.epoolsupply.com\/products\/pentair-strainer-air-relief-tube-154578?variant=41007285534805\"\u003ePentair O-Ring Kit for Triton Air Relief | SKU 154578\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eDepressurize filter before working on the air relief system. Confirm manufacture date to ensure correct part-compatibility (post-Nov 1999). Handle fittings gently—plastic can crack if overtightened.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":41030725632085,"sku":"150039","price":21.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0105\/0837\/0005\/files\/150039_5__24606.1597170282.386.513__68015.jpg?v=1740509666","url":"https:\/\/www.epoolsupply.com\/products\/pentair-air-relief-tube-tr40-150039","provider":"ePoolSupply","version":"1.0","type":"link"}