Super-Pro | 25575-509-000 | 1-1/2" FPT x 1-1/2" Socket Clear Water Stop Adapter Fitting | Pool Plumbing Adapter

This clear water stop adapter fitting is a plumbing component designed for compatible pool and spa water feature or circulation applications. The 1-1/2" FPT x 1-1/2" socket configuration allows connection between matching threaded and slip-style plumbing components where a clear adapter fitting is required.

Built for pool plumbing service, repair, and installation work, this adapter is used to support proper pipe connection, equipment integration, or water feature plumbing transitions in compatible systems.

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Key Features

• Adapter fitting for compatible pool and spa plumbing applications

• 1-1/2" FPT connection on one side for matching male threaded fittings

• 1-1/2" socket connection on one side for compatible slip-style pipe installation

• Clear construction supports visual inspection of the fitting area in select applications

• Used for plumbing transitions, equipment connections, and water feature installations

• Suitable for pool service, repair, renovation, and new plumbing work

• Helps connect threaded and socket-style plumbing components in matching 1-1/2" systems

• Professional installation is recommended to ensure proper sealing, solvent welding, thread engagement, and leak-free operation

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Product Overview

This adapter fitting is used to connect compatible 1-1/2" pool and spa plumbing components where one side requires a female threaded connection and the other side requires a socket connection. It is commonly used during plumbing repairs, equipment pad service, and water feature installation work where a transition fitting is needed.

The clear construction can be useful in installations where visibility of the fitting area is preferred. As with any pool plumbing adapter, proper preparation and installation are important to help maintain a reliable connection and prevent leaks under normal system operation.

During installation, the pipe, threaded fitting, socket connection, and sealing surfaces should be inspected for damage, debris, or misalignment. Threaded connections should be sealed using the appropriate method for the application, and socket connections should be properly cleaned, primed if required, and solvent welded according to plumbing requirements.

Routine maintenance should include checking the fitting for leaks, cracks, stress, discoloration, or movement caused by vibration, plumbing strain, or equipment service. Maintaining properly installed fittings helps support reliable circulation, water feature performance, and long-term plumbing system integrity.