3/8" QC Brass Coupler x M22 M 15mm Plug
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3/8" Quick Connect Brass Coupler x M22 Male Plug
The all-new 14mm/15mm Twist Plug adapter offers you a consolidated option to adapt to proprietary M22 fittings that, previously kept you from upgrading the stock guns provided by the manufacturer. Standard pressure washers will have a 14mm stem required, however, in the image provided you can see the enlarged stem receiver. Some manufacturers have changed to 15mm to prevent you from upgrading through the use of aftermarket accessories, until now!
This premium adapter has been quality tested and certified by MTM Hydro to fit a variety of hose outlets including select popular models of Sunjoe, Ryobi, AR, and Greenworks so that you can, now, upgrade your guns and lance setups to MTM Hydro’s Italian SG series. Keep in mind, you could also upgrade your entire setup to Kobrajet hose with the use of the 24.5005 fittings for these same residential pressure washers.
Specifications
- 4,000 PSI
- 14mm/15mm Stem Receiver M22 Twist Plug X 3/8” Brass QC Coupler
** This product can expose you to chemicals, including Lead which is known to the state of California to cause cancer or birth defects or other reproductive harm, go to www.p65Warnings.ca.gov for more information. **
** The products we sell are not intended for use in potable water systems and are only for industrial non-drinking water applications. **
About Expert Power Wash
Expert Power Wash is built and operated by Tim and Kristina — a team passionate about giving
pressure washing professionals the best equipment available. Every skid is hand-built in Oregon City, OR, with a focus on quality, reliability, and ease of use in the field.
Our goal is to source 95% of the parts we use from the USA. We distribute across 24 states, Canada, and overseas — backing every unit with a lifetime warranty and personal customer support. We don't just sell equipment; we help you build a successful business with hands-on training and ongoing guidance
Shipping & Pickup
We recommend in-person pickup in Oregon City, OR — this includes a free 2-hour
hands-on training session so you leave confident operating your skid. Transport
shipping is also available and coordinated directly with you.

