The OEM Pentair Clear Sight Glass Nipple 154566 is a 2-inch visual inspection fitting built for use with select HiFlow pool and spa valves, including models 261049, 261050, 261142, 261047, and 261165. This transparent sight glass lets you observe water clarity in real time during backwashing, helping you pinpoint exactly when to stop the cycle and avoid wasting water. By providing a direct view of the flow, this component promotes smarter maintenance practices and more precise filtration management. Crafted from resilient materials, it stands up to prolonged use in demanding pool and spa environments.

Key Benefits

• Real-Time Water Clarity View: Provides instant visual feedback during backwashing so you can see precisely when the water clears and the cycle is finished.
• Exact Valve Fitment: Designed for Pentair HiFlow valve models 261049, 261050, 261142, 261047, and 261165, delivering a reliable and functional connection.
• Reduces Water Waste: Eliminates guesswork by displaying actual water clarity, allowing you to end backwash cycles at the optimal moment for efficient, eco-conscious upkeep.
• Resilient Pool-Ready Materials: Fabricated from strong, chemical-resistant materials suited for high-demand conditions in both pool and spa installations.
• Genuine OEM Replacement: Delivers authentic Pentair quality to maintain proper system function and support peak filtration output.

What's Included

• Pentair 154566 Sight Glass

Compatibility

• Pentair HiFlow Valve Models: 261049, 261050 and 261142
• 2" PVC Push Pull/Slide Valve Models: 261047 and 261165

Specifications

• Brand: Pentair
• Part Number: 154566

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