Pentair HiFlow Sight Glass with Vacuum Projector | 272550
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This is a genuine Pentair replacement part (SKU 272550) and is covered under Pentair’s standard parts warranty, offering factory-level reliability and integration with HiFlow multiport valves.
Q: Will this sight glass fit a 2″ HiFlow valve? A: No — part 272550 is for 1½″ HiFlow multiport valves. Larger 2″ valves use a different sight glass nipple. Q: Do I need to replace the gasket when I install this? A: It’s wise — a worn or damaged gasket is a common source of leaks once you install a new sight glass.
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Pentair HiFlow Sight Glass with Vacuum Projector | 272550
Description
Description
Pentair HiFlow Sight Glass with Vacuum Projector | SKU 272550
Pentair HiFlow Sight Glass (SKU 272550) lets you visually monitor water clarity during backwash and rinse cycles in 1½″ multiport valves.
Features
- Genuine Pentair replacement sight glass for HiFlow 6‑way 1½″ multiport valves.
- Includes vacuum projector for better air relief and cycle control.
- Compatible with both top‑mount and side‑mount valve configurations.
- Chemical‑ and UV‑resistant plastic or glass construction.
- Quick, simple screw-in replacement — no full valve disassembly needed.
Description
The 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.
Pro Tip
When 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.
Related Parts
- Pentair HiFlow Diverter with Gasket – SKU 272512
- Pentair HiFlow Valve Handle – SKU 272520
- Pentair HiFlow Valve Top Assembly – SKU 272531
Installation Tips
Shut 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.
Specifications
Specifications
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
- Pentair Warranty
- A&A (Pentair In-Floor) Warranty
- Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
- Paramount Warranty
- BlueSquare Warranty
- Hayward Warranty
- All Other Manufacturer Warranties
Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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