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Introduction: Fix Pressure Issues and Keep Your Compressor Running Smoothly
If your air compressor struggles to build pressure or doesn’t cycle properly, the unloader tube may be the issue. This small but essential component helps release pressure and ensures efficient operation.
Replacing a worn or damaged tube is a simple fix that can restore performance and extend the life of your compressor.
👉 Check the Unloader Tube Kit on Amazon
Product Overview
- Unloader tube kit (178D15-KIT)
- Designed for Rolair air compressors
- Includes 15-inch nylon tubing
- Comes with brass nuts, sleeves, and rings
- Helps regulate pressure and improve performance
- Direct replacement part
What You Get
- 15” nylon unloader tube
- Brass nuts
- Brass sleeves
- Brass rings

Key Features
Direct Replacement Fit
Designed to match compatible Rolair compressor models for easy installation.
Improves Pressure Regulation
Helps release built-up pressure, allowing the compressor to cycle correctly.
Durable Materials
Made with strong nylon tubing and corrosion-resistant brass components.
Easy Installation
Simple setup that can be done quickly without specialized tools.

How to Use It Best
- Turn off and unplug the compressor
- Remove the old unloader tube
- Install the new tube with included fittings
- Tighten all connections securely
- Test for proper pressure cycling
Pros & Cons
Pros ✅
- Restores compressor efficiency
- Improves pressure control
- Durable and long-lasting materials
- Easy DIY installation
- Cost-effective repair solution
Cons ⚠
- Only fits specific models
- Requires correct sizing check
- Not a universal part
Who Should Buy This
- Rolair air compressor owners
- DIY repair users
- Workshop and garage users
- Anyone experiencing pressure issues
Final Thoughts
The 178D15-KIT Unloader Tube Kit is a small but important replacement that can make a big difference in your compressor’s performance. If you’re dealing with pressure or cycling problems, this is an easy and affordable fix.
👉 Check the Unloader Tube Kit on Amazon

