The perfect adapter to change M22 male threads to 1/8" Quick Connect.

If you're running a pressure washer with an M22 male thread and want to connect an aftermarket 3/8” quick-connect hose — this is the adapter that gets you there.

The Aquatouch M22 Female to 3/8” QC Female Adapter is a simple but essential fitting that bridges traditional M22 threads with modern quick-connect systems. It’s not tied to any one brand — it’s for anyone upgrading their setup, swapping to pro-level hoses, or customising their pressure washer rig.

Available in both 14mm and 15mm internal diameter variants, it’s important you choose the right size to match your existing M22 thread. Solid metal construction means you get a leak-free fit that handles high pressure without issue.

Features:

• M22 to 3/8” QC Conversion → Ideal for connecting an M22-threaded male fitting to a 3/8” female quick-connect hose or accessory.
• Heavy-Duty Metal Build → Brass ensures longevity, pressure resistance, and zero tolerance for leaks.
• Universal Compatibility → Works with most pressure washers using an M22 male outlet and aftermarket hose kits.
• Simple Upgrade → Lets you run upgraded hoses or guns with 3/8” QC fittings — no thread sealer, no hassle.

Compatibility:

• Designed for any pressure washer with M22 male threads.
• Converts to 3/8” quick connect female, suitable for use with pro-level hoses and accessories.