American Pentair 1-1/2" Side Mount Valve Sight Glass (51001600)

Trustworthy visibility for pool and spa systems. This genuine American Products/Pentair sight glass is designed for 1-1/2" side-mount valve applications, letting technicians and homeowners confirm valve position and flow at a glance.

• Part Number: 51001600
• Size and Connection: 1-1/2" side-mount valve sight glass for compatible valve bodies
• Brand and Compatibility: Genuine American Products / Pentair component crafted for reliability within pool & spa equipment
• Viewing Clarity: Transparent sight glass provides quick, accurate visual confirmation of valve status and flow
• Durability: Built to withstand typical pool/spa chemical environments while maintaining optical clarity
• Installation: Designed as a straightforward replacement part to minimize maintenance downtime
• Safety: Prop 65 warning noted for California residents (cancer and reproductive harm)

Whether you’re servicing a filter manifold, valve block, or automated pool system, this sight glass helps you diagnose and verify operation with confidence. By offering a clear view into the valve, it reduces guesswork during maintenance, supports timely repairs, and helps maintain optimal water flow and system efficiency. Ideal for professional technicians and serious DIY pool owners alike, this replacement part integrates seamlessly into standard 1-1/2" side-mount configurations, aligning with the trusted Pentair/American Products lineage you rely on for long-lasting pool and spa performance.

 California Residents WARNING: Cancer and Reproductive Harm

 www.P65Warnings.ca.gov