Pentair Sight Glass | 270160
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Pentair lists part 270160 in its multiport and backwash valve replacement parts catalog. As an OEM component, it’s backed by Pentair’s parts warranty policy
Q: Does this sight glass fit HiFlow multiport valves? A: No — HiFlow valves use a different sight glass part (272550). Q: Will it leak if I overtighten? A: Yes — over-tightening can crack the lens. Use a light coat of silicone lube and hand-tighten, then test.
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Description
Description
Pentair Sight Glass | 270160
OEM Pentair 270160 sight glass for MPV / backwash valves — lets you see water clarity during back-wash cycles.
Features
- Genuine Pentair replacement for multiport / backwash valve sight glass
- Compatible with DE and sand filter backwash valves and MPV systems
- Clear, impact-resistant lens for real-time visual monitoring
- Threaded installation — no special tools needed :contentReferenc
- Durable construction resists pool chemical exposure and pressure changes
Description
The Pentair 270160 Sight Glass restores your ability to visually monitor the clarity of water during backwash and rinse cycles in your filtration system. Ideal for older or cracked sight ports, this replacement fits securely into Pentair multiport and backwash valves. You’ll be able to tell exactly when the water has cleared — without guessing or interrupting your backwash process.
Pro Tip
Before installing, lightly lubricate the gasket with silicone-based lube. Then thread the sight glass in by hand and tighten snug — not overly tight — to avoid cracking.
Related Parts
Installation Tips
Turn off the system and relieve pressure before removing the old sight glass. Clean the threads, place the gasket, apply a little lube, then thread in the new glass. After installation, run a backwash cycle and observe to verify clear water flow without leaks.
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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