Find your parts diagram
Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
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Pentair 154566 Clear Sight Glass Nipple | 2" | For HiFlow Valves
Fits these models (2)
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Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
OEM Pentair 154566 Clear Sight Glass Nipple is a 2-inch inspection component designed for accurate visual monitoring during the backwash cycle of your sand or D.E. filtration system. Made for Pentair HiFlow valve models 261049, 261050, 261142, 261047, and 261165, this durable part helps users determine exactly when water is clean, reducing wasted water and time. Built to endure harsh pool environments, this sight glass supports effective maintenance, prolongs filter media life, and helps keep your system functioning at its best with OEM-quality assurance.
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Real-Time Backwash Visibility: Enables direct viewing of water quality exiting the filter, ensuring the backwash cycle is stopped at the ideal moment for maintenance efficiency.
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Fits Key Pentair Valves: Designed to work seamlessly with Pentair HiFlow and 2-inch PVC push-pull valve models for straightforward integration and performance consistency.
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Supports Smart Maintenance: Reduces unnecessary water usage by showing when backwash water transitions from dirty to clear, making the process more resource-conscious.
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Long-Lasting Pool Component: Manufactured from impact-resistant and pool-grade materials for durability against chemical exposure and pressure variations.
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Genuine OEM Performance: Matches original Pentair specifications to maintain reliability and safety in system diagnostics and filtration management.
- (1) Pentair 154566 Sight Glass
- Pentair HiFlow Valve Models: 261049, 261050 and 261142
- 2" PVC Push Pull/Slide Valve Models: 261047 and 261165