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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

Retail Price: $295
You save: $73.75 (25.00%)
Our Price: $221.25
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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.

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