CMP 2" Heater Union Kit – 21063-801-000

CMP 2" Heater Union Kit 21063-801-000 – Universal Pool Heater Connection Upgrade

The CMP 2" Heater Union Kit (Part #21063-801-000) is a reliable, universal solution for connecting pool heaters to standard 2-inch PVC plumbing. Designed to replace proprietary or discontinued heater unions, this kit allows for a clean, serviceable installation using widely available components. It is commonly used when upgrading or replacing older heater connections that are no longer supported by the manufacturer.

Universal 2" Compatibility for Pool and Spa Systems

This union kit is built for standard 2" plumbing systems, making it compatible with most modern pool heaters and equipment pads. It is frequently used to replace older union styles from brands like Pentair and others, allowing systems to be converted to a more flexible and service-friendly setup.

Durable, High-Temperature Construction

Manufactured from high-quality, chemical-resistant materials, this heater union is designed to withstand elevated water temperatures and harsh pool and spa environments. The robust construction ensures long-term durability under continuous operation.

Easy Installation and Maintenance

The CMP 21063-801-000 union kit allows for straightforward installation using standard PVC connections. Once installed, the threaded union design makes it easy to disconnect equipment for maintenance, repair, or replacement without cutting plumbing lines.

Ideal Replacement for Discontinued Heater Unions

Many older heater unions with integrated designs have been discontinued, making direct replacements difficult to source. This kit provides a modern alternative by converting systems to a standard union configuration, which simplifies future servicing and avoids reliance on proprietary parts.

Product Specifications

Part Number: 21063-801-000
Connection Size: 2 Inch
Type: Heater Union Kit
Material: High-Temperature PVC
Application: Pool and Spa Heater Connections
Compatibility: Universal 2" Plumbing Systems

Why Upgrade to a Standard Heater Union Setup?

Switching to a standard 2" union system improves long-term serviceability and flexibility. Instead of relying on discontinued or proprietary fittings, each component can be replaced individually, reducing downtime and future repair costs. This makes the CMP heater union kit a smart upgrade for both residential and commercial pool systems.