{"product_id":"pentair-sight-glass-272550","title":"Pentair HiFlow Sight Glass with Vacuum Projector | 272550","description":"\u003ch2\u003ePentair HiFlow Sight Glass with Vacuum Projector | SKU 272550\u003c\/h2\u003e\n\u003cp\u003ePentair HiFlow Sight Glass (SKU 272550) lets you visually monitor water clarity during backwash and rinse cycles in 1½″ multiport valves.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Pentair replacement sight glass for HiFlow 6‑way 1½″ multiport valves.\u003c\/li\u003e\n\u003cli\u003eIncludes vacuum projector for better air relief and cycle control.\u003c\/li\u003e\n\u003cli\u003eCompatible with both top‑mount and side‑mount valve configurations. \u003c\/li\u003e\n\u003cli\u003eChemical‑ and UV‑resistant plastic or glass construction. \u003c\/li\u003e\n\u003cli\u003eQuick, simple screw-in replacement — no full valve disassembly needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Pentair HiFlow Sight Glass (SKU 272550) is a factory‑correct viewing port designed to restore clear, reliable monitoring of your filtration system’s backwash and rinse cycles. The vacuum projector feature helps prevent siphoning while enabling air release, keeping your multiport valve working safely. Built for 1½″ HiFlow six‑way valves in both top and side-mount configurations, this part uses durable, pool-grade materials to resist chemical and UV degradation.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eWhen installing, make sure to clean the seat thoroughly and check the gasket for damage or wear. Lubricate lightly with a pool‑safe silicone grease, then install the glass gently—tight enough to seal, but not so tight that you risk cracks or distortion.\u003c\/p\u003e\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.epoolsupply.com\/products\/pentair-hiflow-diverter-272512?variant=41071126904917\" target=\"_blank\" rel=\"noopener\"\u003ePentair HiFlow Diverter with Gasket – SKU 272512\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.epoolsupply.com\/products\/pentair-hiflow-multiport-valve-handle-272520?variant=40943932670037\" target=\"_blank\" rel=\"noopener\"\u003ePentair HiFlow Valve Handle – SKU 272520\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.epoolsupply.com\/products\/pentair-hiflow-valve-top-assembly-272531?variant=41071259975765\" target=\"_blank\" rel=\"noopener\"\u003ePentair HiFlow Valve Top Assembly – SKU 272531\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eShut off the pump and relieve system pressure before servicing. Remove the old sight glass, clean the sealing surface, install the new unit with its vacuum projector, and re-tighten. Run a short backwash and rinse cycle to verify water clarity and seal integrity.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":41071190966357,"sku":"272550","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0105\/0837\/0005\/files\/514-P0SGzWL._AC_SX679.jpg?v=1743097565","url":"https:\/\/www.epoolsupply.com\/products\/pentair-sight-glass-272550","provider":"ePoolSupply","version":"1.0","type":"link"}