MTM Hydro
MTM Hydro SRG Premium Adaptor Kit - 15mm SS
Best quick-connect upgrade for homeowners using proprietary pressure washer fittings.
Upgrade your pressure washer with the MTM Hydro SRG Premium Adaptor Kit. This kit is designed for Sunjoe, Ryobi, and Greenworks pressure washers with proprietary 15mm M22 stems, converting them to a standard Quick Connect system for faster accessory changes. Crafted from premium stainless steel, it offers superior strength and longevity for demanding tasks. Streamline your washing experience and make maintenance easier with this durable and efficient adaptor set, perfect for homeowners and DIY enthusiasts seeking a more convenient setup.
$86.83
Owner Satisfaction
4.7
/ 5
Category Rank
13
/ 510
#13 in Pressure Washer Accessories
Price vs Category Average
-37%
Below average
Material
Stainless steel
/ Stainless steel
Who it's for
- Pressure washer owners struggling with non-standard connection leaks
- Detailers seeking durable, corrosion-resistant hardware for frequent use
- Enthusiasts wanting to upgrade to professional-grade foam cannons and wands
Who should skip it
- Buyers unsure of their specific machine fitting measurements
- Owners of standard 14mm pressure washer systems
- Budget-focused shoppers preferring inexpensive brass alternatives
Performance breakdown
Build Durability
Stainless steel construction ensures long-term resistance to high-pressure wear and corrosion.
Workflow Efficiency
Quick connect system eliminates tedious threading for faster accessory swaps.
Compatibility Precision
Specifically engineered to solve common 15mm proprietary fitting headaches.
Installation Ease
Straightforward design allows for a quick, tool-free upgrade to your setup.
Connection Security
Robust seals prevent pressure loss during demanding cleaning tasks.
Versatility
Standardizes your gear to accept professional-grade pressure washer accessories.
Key Specs
Material
Stainless steel
Compatibility
Sunjoe, Ryobi, and Greenworks pressure washers with 15mm M22 fittings
Fitting Type
M22 Thread, 3/8 Inch Quick Connect
Intended Use
Car Washing
Accessory Type
Nozzle Tip
Connection Type
Quick Connect, M22 Thread
Compatible Pressure Washer Type
Electric Pressure Washer
Included Components
2x Stainless garden hose plugs, 1x Stainless garden hose coupler, 2x Stainless 3/8 QC coupler X 15mm M22 plug, 2x Stainless 3/8 QC Plug X 15mm M22 Coupler
Features
- Converts 15mm M22 to standard Quick Connect
- Enables fast accessory attachment/detachment
- Streamlines pressure washing workflow
- Durable stainless steel construction
- Designed for specific 15mm M22 fittings
- Enhances user convenience
What customers say
Consumers overwhelmingly celebrate the exceptional quality and robust stainless steel construction of this MTM Hydro kit. The primary benefit cited is its reliability in solving common connection issues, especially the critical 15mm fitting requirement. Users appreciate the straightforward installation and the resulting leak free performance, confirming this adaptor is an essential, durable upgrade for serious pressure washing setups.
Know before you buy
Most standard pressure washers use a 14mm M22 fitting, but many electric models from brands like Sunjoe, Ryobi, and Greenworks use a proprietary 15mm stem. If your current hose or wand connection feels loose or leaks when using standard 14mm fittings, you likely need this 15mm kit.
Yes. This kit converts your proprietary 15mm M22 connections into a universal 3/8-inch Quick Connect system, allowing you to easily swap between standard nozzles, foam cannons, and extension wands.
No, this kit is specifically engineered for electric pressure washers that utilize the 15mm M22 fitting. Gas-powered units typically use different thread sizes and connection standards.
Stainless steel offers superior durability and corrosion resistance compared to brass. It is less prone to stripping threads and handles the high-pressure environment of regular car washing much better over time.
Yes, the kit is comprehensive and includes the necessary couplers and plugs to convert both ends of your hose, as well as the connections for your spray gun and pump outlet.
Still have a question?
Ask Hayley anything about this product before you decide.