This M22 pressure washer coupling adapter is designed for fast, secure, and leak-free connections between pressure washer hoses, spray guns, foam lances, and accessories. It features an M22 female twist-connect end (14 mm / 15 mm internal) combined with a 3/8″ NPT threaded port, allowing easy attachment of various fittings and high-pressure components.
The adapter is built with a solid brass internal core for strength, corrosion resistance, and long service life, while the black insulated outer grip provides better handling, heat protection, and comfort during operation. The twist-connect design ensures a tight and reliable fit, making installation and removal quick even during frequent use.
Rated for approximately 160–250 bar (≈ 2,300–4,500 PSI), this adapter is suitable for professional and industrial cleaning applications. It is widely compatible with many pressure washer brands and other machines using standard M22 connections. Its durable construction makes it ideal for commercial, workshop, and heavy-duty cleaning environments.
TECHNICAL DETAILS:
| Specification | Details |
| Product Type | Pressure washer coupling adapter |
| Connection Type | M22 female twist-connect (14mm or 15mm internal) |
| Secondary Connection | 3/8″ NPT (male or female, depending on model) |
| Material | Brass internal core + black plastic insulated grip |
| Pressure Rating | 160–250 bar (≈ 2,300–4,500 PSI) |
| Applications | Pressure washers, spray guns, foam lances, hoses |
| Compatibility | Numerous common brands |
| Features | Durable brass core, insulated grip, leak-proof twist-connect design |
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