Caleffi NA16160 : HydroMixer Bottom Inlet Fitting Set (FNPT), 1"

Description
Warranty Information
Features

The Caleffi NA16160 is a nut and tailpiece kit (1 in NPT) union fitting set for Caleffi HydroMixer 165, 166 and 167 series mixing units, supplying the bottom inlet union connection. Includes 2 union nuts, 2 tailpieces and 2 washers.

Product data compiled from Caleffi North America technical documentation (01238 NA, NA11018) and the Caleffi North America product catalogue. Last reviewed August 2026.

FunctionService Part

Trunk1 in

Warranty2 Years

Key Features

Union Nut and Tailpiece

Supplies the bottom inlet union joint on a HydroMixer 165/166/167 unit so it can be isolated and removed for service.

Matched Sealing Surfaces

Factory-machined tailpieces, nuts and washers seal against the HydroMixer union face.

Outlet and Inlet Kits Differ

This is the bottom inlet set. Caleffi advises that outlet and inlet fitting sets are not interchangeable - order the correct port.

Technical Data

Function	HydroMixer 165/166/167 fitting set
Kit contents	2 union nuts, 2 tailpieces, 2 washers
Connection	1 in NPT
Application	HydroMixer 165, 166, 167 series - bottom inlet only

Related Products

Caleffi NA11360Manifold Part Caleffi NA160601 in Manifold Part Caleffi NA160691 in Manifold Part Caleffi 1725C1A3-Port 1-1/4 in Mixing Station

Frequently Asked Questions

What is the NA16160 used for?

It supplies the bottom inlet union connection on a Caleffi HydroMixer 165, 166 or 167 series mixing unit, so the unit can be removed for service without cutting pipe.

Which connection is it?

1 in NPT - confirm your trunk size and joining method before ordering.

2-Year Limited Warranty. Backed by Caleffi North America's limited warranty against defects in material and workmanship for two years from date of shipment. See Caleffi's limited warranty for full terms.