The Caleffi NA16160 is a nut and tailpiece kit (1 in NPT) for Caleffi TwistFlow manifolds, providing the union connection between the trunk piping and the manifold body for tool-friendly installation and service removal.
Product data compiled from Caleffi North America technical documentation (01170 NA, 01155 NA). Last reviewed July 2026.
Key Features
Union Nut and Tailpiece
Provides the union joint between trunk piping and the TwistFlow manifold for wrench-free service removal.
Matched Sealing Surfaces
Factory-machined tailpiece and nut ensure a reliable seal on the manifold union face.
Genuine Caleffi Fit
Correct thread and sealing geometry for 668S1-series manifolds.
Technical Data
| Function | Manifold / mixing station service part |
|---|---|
| Kit | Union nut and tailpiece |
| Connection | 1 in NPT |
| Application | TwistFlow 668S1-series manifold trunk connection |
Documentation
Related Products
Frequently Asked Questions
It provides the union nut and tailpiece connection between the trunk piping and a TwistFlow manifold, so the manifold can be removed for service without cutting pipe.
1 in NPT - confirm your trunk size and joining method before ordering.
- Type:
- Accessory
- Connection Size:
- 1 in
