M22 Pressure Washer Adapter – 3/8 & 1/4" Quick Coupler
M22 Pressure Washer Adapter – 3/8 & 1/4" Quick Coupler
M22 Pressure Washer Swivel Adapter – Quick-Connect Coupler for 3/8" & 1/4" Fittings
Upgrade your pressure washing setup with this heavy-duty M22 (14mm/15mm) to 3/8" and 1/4" swivel adapter. Built from solid brass, stainless steel, and engineer-grade plastic, this quick-connect coupler makes swapping hoses and attachments fast, easy, and completely leak-free — no tools required.
Made in Mainland China.
Key Features
- Solid Brass & Stainless Steel Construction: Engineered for lasting durability, this adapter resists corrosion and rust even under constant water exposure — an ideal replacement for worn or broken washer fittings.
- One-Touch Quick Release: A smart spherical locking mechanism lets you insert and remove hoses with a single touch. No wrestling with stubborn fittings — just click and go.
- High-Pressure Rated: Handles a working pressure of 2,500 PSI and a maximum pressure of 5,000 PSI, so it stands up to even the most demanding cleaning tasks.
- Swivel Design: The swivel coupler reduces hose twisting and kinking, keeping your workflow smooth and your hose in great condition.
- Wide Compatibility: Fits M22 14mm and 15mm connections and converts to 3/8" and 1/4" fittings — compatible with spray wands, pumps, pipes, and most standard high-pressure washer systems for car washing, patio cleaning, and more.
- Convenient Female Connection: Female-end connector design for easy hose-side attachment.
Specifications
- Material: Brass, engineer-grade plastic, stainless steel
- Thread Size: M22 – 14mm / 15mm
- Outlet Size: 3/8" and 1/4" inch
- Connection Type: Female
- Hose Inner Diameter: 4 mm
- Working Pressure: 2,500 PSI (≥850 kPa)
- Max Pressure: 5,000 PSI
- Quantity: 1 piece
- Origin: Made in Mainland China
Package Contents
- 1 × M22 Pressure Washer Adapter / Quick Coupler
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Note: Monitor color settings may cause slight color variation from actual product. Please allow ±1 cm measurement deviation. 1 cm = 0.39 inches.
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Frequently Asked Questions
Q: What thread sizes does this M22 pressure washer adapter support?
A: This adapter is designed to fit M22 connections in both 14mm and 15mm sizes, and converts to either a 3/8-inch or 1/4-inch outlet — making it compatible with a wide range of pressure washer hoses, spray wands, and pumps.
Q: What is the maximum pressure rating for this quick-connect coupler?
A: The adapter has a working pressure of 2,500 PSI and can handle a maximum burst pressure of up to 5,000 PSI, making it suitable for both light-duty home use and more intensive cleaning applications.
Q: Is this pressure washer adapter easy to install without tools?
A: Yes! The one-touch quick-release design allows you to connect and disconnect the coupler with a single hand and no tools. Simply insert the male plug into the connector and press to lock — the spherical retention mechanism keeps it secure until you choose to release it.
Q: Will this adapter rust or corrode over time?
A: No — the adapter is constructed from solid brass and stainless steel, both of which offer excellent corrosion and rust resistance even with regular water exposure, ensuring long-lasting performance.