The CMP 21063-100-000 PRO Tools High Temp Self-Sealing Union is a 1" male pipe thread plumbing fitting designed for pool, spa, heater, and water circulation system applications. Engineered for high-temperature environments, this self-sealing union provides a reliable service connection while simplifying equipment installation and maintenance.

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Key Features

• Genuine CMP PRO Tools high-temperature self-sealing union designed for professional pool and spa plumbing applications

• 1" male pipe thread connection supports installation in compatible circulation, heating, and water treatment systems

• Self-sealing design helps provide dependable leak resistance while simplifying installation procedures

• High-temperature construction is suitable for heater connections and other elevated temperature plumbing applications

• Allows easier removal and servicing of connected equipment without cutting surrounding plumbing

• Suitable for pumps, heaters, filters, chlorinators, water treatment systems, and circulation equipment installations

• Durable construction designed for long-term performance in chemically treated aquatic environments

• Professional installation is recommended to verify thread compatibility, sealing requirements, pressure ratings, and system configuration

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Product Overview

The CMP 21063-100-000 1" MPT PRO Tools High Temp Self-Sealing Union is engineered for plumbing systems requiring a serviceable connection point capable of operating in higher temperature environments. The self-sealing union design helps reduce installation complexity while providing a secure connection between plumbing and equipment.

Commonly used with heaters, circulation equipment, pumps, filters, and water treatment components, this fitting allows technicians to disconnect and service equipment more efficiently without extensive plumbing modifications. Its high-temperature construction makes it particularly suitable for applications where elevated water temperatures are present.

Proper installation, thread preparation, alignment, and routine inspection are important to maintain leak-free performance and long-term plumbing system reliability.