Description
Caleffi NA16266 : 1″ Copper Press Tail Piece with 1″ Brass Union Nut
The Caleffi NA16266 is a 1″ copper press tailpiece equipped with a 1″ brass union nut featuring a calotta mobile design. This adapter is designed for use in hydronic systems to connect press fittings with threaded union components. Built for durability and easy installation, it ensures a tight, corrosion-resistant seal in both heating and cooling applications.
The tailpiece requires a sealing washer (not included) for proper installation. Its low-lead brass and copper construction meets current compliance standards for potable and closed-loop systems, providing a dependable connection between press and threaded components.
Key Features
- 1″ copper press tailpiece with 1″ brass union nut
- Calotta mobile design for a flexible and secure fit
- Requires sealing washer (not included)
- Low-lead compliant for potable system compatibility
- Durable copper and brass construction for long-lasting performance
Technical Specifications
- Connection Type: 1″ Press x 1″ Union Nut
- Press Material: Copper (Long Tailpiece)
- Union Material: Brass (Calotta Mobile Design)
- Sealing: Requires separate washer (not included)
- Compliance: Low Lead
Datasheets
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Caleffi NA16266 Instruction Sheet |
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Caleffi NA16266 Sell Sheet |





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