M22 15mm to 14mm Brass Pressure Washer Adapter | 4500 PSI

M22 Brass Metric Adapter – Pressure Washer Hose Connector

Upgrade your pressure washing setup with this heavy-duty M22 15mm Male to M22 14mm Female Brass Adapter. Engineered for a secure, leak-free connection between your pressure washer gun and hose, this compact fitting is built to handle demanding cleaning tasks with ease. Made in Mainland China.

Why You'll Love It

• Universal Compatibility: Converts M22 15mm male thread to M22 14mm female thread — fits a wide range of electric pressure washer guns and hoses from most major brands.
• High-Grade Brass Construction: Solid brass material offers exceptional corrosion resistance, durability, and long-lasting performance compared to plastic alternatives.
• High-Pressure Rated: Rated for up to 4,500 PSI working pressure, making it suitable for both residential and light commercial pressure washing applications.
• Easy Installation: Simply thread the adapter onto your existing fittings — no special tools required. If needed, wrap PTFE thread tape on the external threads for an extra-tight, leak-free seal.
• Compact & Portable: Small and lightweight, making it easy to store in your cleaning kit or toolbox for whenever you need it.

Product Specifications

What's in the Box

• 1 × M22 15mm Male to M22 14mm Female Brass Adapter

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Safety & Standards

For guidance on safe use of pressure washing equipment and outdoor water systems, visit the U.S. Consumer Product Safety Commission (CPSC) for safety tips and product standards.

Note: Actual color may vary slightly from images due to monitor settings and lighting conditions. Please allow minor measurement tolerances for listed dimensions.

Learn more: Piping and plumbing fitting

Frequently Asked Questions

Q: What pressure washer brands is this M22 adapter compatible with?

A: This M22 brass adapter is designed to be universally compatible with most major pressure washer brands that use M22 15mm fittings on their guns or hoses, including many popular electric pressure washers. Always verify your existing connector size before purchasing.

Q: Will this adapter leak under high pressure?

A: The adapter is rated up to 4,500 PSI and features precision-threaded brass fittings for a secure connection. For additional security, apply PTFE (thread seal) tape to the external threads before installation to ensure a completely leak-free seal.

Q: What is the difference between M22 15mm and M22 14mm fittings?

A: Both are M22 metric thread fittings, but they differ in their inner diameter — M22 15mm is commonly found on electric pressure washer hoses, while M22 14mm is typically found on gas-powered pressure washer guns. This adapter bridges the two, allowing you to mix and match compatible equipment.