Graco 277251 BlueMax II HP Airless Hose

The Graco 277251 BlueMax II HP Airless Hose offers superior flexibility, durability, and lightweight handling for high-performance airless spraying up to 4000 PSI. Ideal for professional contractors using large sprayers.

Size: 3/8 in x 50 ft
Pressure: 4000 PSI
Material: BlueMax II HP conductive core
Compatible with: Ultra Max II, GMAX II, Mark V/X, DutyMax

List Price: $308

You save: $82.54 (26.80%)

Sale Price: $225.46

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Description

Graco 277251 BlueMax II HP Airless Hose Overview

The Graco 277251 BlueMax II HP Airless Hose (3/8" x 50 ft, 4000 PSI) is designed for professional contractors who need high-performance, flexible, and durable hose connections for large-scale spraying applications. Built with Graco’s BlueMax II technology, this hose provides superior flexibility, conductivity, and reduced coil memory for efficient operation.

Compatible Machines

This hose is compatible with a wide range of Graco airless sprayers that support 3/8" fluid lines and up to 4000 PSI working pressure:

Graco Ultra Max II Series (490, 495, 595, 695, 795, 1095, 1595)
Graco GMAX II Series (3900, 5900, 7900)
Graco Mark V and Mark X Texture Sprayers
Graco DutyMax and ProContractor Models
Graco Ultra XT and Classic Series
Other airless sprayers with 3/8" connection and ≤ 4000 PSI pressure rating

Key Features

Part Number	277251
Hose Diameter	3/8 inch
Length	50 ft
Maximum Working Pressure	4000 PSI
Material	BlueMax II HP (High Performance)
Key Benefits	Over 10% lighter than standard airless hoses Superior flexibility for easier handling Reduced coil memory for smoother setup Conductive core to safely dissipate static charge Corrosion-resistant spring guards for durability

Applications

Ideal for professional painting, large-scale commercial projects, residential repainting, and industrial coating applications requiring long reach and steady high-pressure flow.

Frequently Asked Questions

The hose is rated for a maximum working pressure of 4000 PSI, making it suitable for heavy-duty and professional spraying equipment.

It’s primarily used as a main supply hose due to its 3/8" diameter, but it can be connected to shorter whip hoses for greater flexibility near the spray gun.

The Graco 277251 fits most Graco airless sprayers that support 3/8" hose fittings and up to 4000 PSI. Always confirm your model’s pressure and fitting specifications before connecting.