Graco 159239 Hose Fitting 3/8 in x 1/2 in

The Graco 159239 Hose Fitting connects a 3/8-inch hose to a 1/2-inch hose, ensuring secure and efficient pressure transfer in airless paint spraying systems.

Part Number: 159239
Connection Size: 3/8 in x 1/2 in (NPT Male)
Material: Plated Steel
Pressure Rating: Up to 3300 PSI
Compatible With: Graco Ultra Max II, GMAX, Mark & LineLazer Series

$26.43

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Description

Graco 159239 Hose Fitting – 3/8 in x 1/2 in Adapter

The Graco 159239 Hose Fitting is a high-quality adapter designed to connect a 3/8-inch hose to a 1/2-inch hose or pipe in airless paint sprayer systems. It ensures smooth paint flow and maintains consistent pressure across hose connections.

Compatible Machines

This fitting is compatible with a wide range of Graco Airless Paint Sprayers and systems that utilize both 3/8" and 1/2" hose connections:

Graco Ultra Max II Series
Graco GMAX Series (3900, 5900, 7900)
Graco Mark Series (IV, V, VII, X)
Graco DutyMax Sprayers
Graco LineLazer Striping Systems
Graco Reactor 2 E-Series (E10, E20, E30)

Product Specifications

Part Number	159239
Manufacturer	Graco
Type	Hose Fitting / Adapter
Connection Size	3/8 in x 1/2 in (NPT Male)
Material	High-strength plated steel
Pressure Rating	Up to 3300 PSI (typical for airless applications)
Usage	Connects hoses of different diameters for optimal paint flow and pressure

Frequently Asked Questions

The 159239 adapter connects a 3/8-inch hose to a 1/2-inch hose, allowing efficient pressure transition between different hose sizes in Graco airless spray systems.

Yes, it can be used with other sprayers or systems that accept standard 3/8" and 1/2" NPT connections. However, OEM compatibility and pressure rating should be verified before use.

It is manufactured from plated steel for durability and corrosion resistance, ideal for demanding airless paint applications.

Summary

The Graco 159239 Hose Fitting is an essential connector for joining hoses of different sizes in Graco sprayers and coating systems. Built for durability and high-pressure performance, it ensures smooth operation and reliable sealing across all hose connections.