This Brass Compression Tee PEX fitting is designed for floor heating systems and supports multiple PEX size combinations. It offers both equal and reducer configurations and is identified by the 20251216 reducer option. Key benefits Easy installation with brass compression connections that do not require soldering or heat sources Durable brass construction provides corrosion resistance and long service life Wide size availability: 1216, 1418, 1620, 2025, 2632 Supports both equal and reducing configurations for versatile piping layouts Reliable leak seal with compression nuts and ferrules Suitable for floor heating and radiant heating applications Key attributes Functionality: PEX pipe fitting tee for branching or joining PEX runs in floor heating Compatibility: Works with PEX tubing sizes 1216, 1418, 1620, 2025, 2632 Size: 1216, 1418, 1620, 2025, 2632 Material: Brass Performance: Durable, leak resistant, quick to install in floor heating projects Use cases Use case 1: Branch a PEX supply line to two radiant floor loops in a residential heating system using an equal tee Use case 2: Redirect flow between different PEX sizes in a floor heating manifold with a reducer tee, for example from 2025 down to 1216 Use case 3: Retrofit a floor heating circuit where space constraints require a compact brass compression tee that combines a branch and a main run in a single fitting Note: This product is listed as a Brass Compression Tee PEX fitting with size combinations and configurations described, including the 20251216 reducer option, for floor heating installations.