SIMPSON Universal Pressure Washer Spray Gun with Side Assist Handle 80148
4,500 PSI · Side handle · M22.
The SIMPSON 80148 is a replacement spray gun for cold-water machines rated up to 4,500 PSI. Its hose side is threaded M22 male and its wand side is threaded M22 female, so check both ends of your setup before ordering.
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Specifications at a glance
| Brand | SIMPSON |
|---|---|
| Model | 80148 |
| Max pressure | 4,500 PSI |
| Max flow | 6.6–8.0 GPM (SIMPSON figures conflict) |
| Max temperature | 140°F (cold water only) |
| Hose connection | Threaded M22 male |
| Wand/lance connection | Threaded M22 female |
| Included | Threaded M22 quick-connect hose adapter |
| Warranty | 90-day limited accessory |
From SIMPSON’s product information. Fields SIMPSON doesn’t state are left out or marked “Verify”.
What to know about the 80148
Connection chain
M22 male at the hose end, M22 female at the wand end, plus an included M22 quick-connect hose adapter.
Ratings to match
Rated to 4,500 PSI for cold-water machines. Use the lower 6.6 GPM figure until SIMPSON resolves the conflict.
Key features (from SIMPSON)
- Side assist handle for two-handed control
- Includes a threaded M22 quick-connect hose adapter
- Rated to 4,500 PSI
- For cold-water machines up to 140°F
Works with (by connection type)
Matched on the connection and rating data on this site. Always check the exact fitting before ordering.
M22 hoses
Wands (M22 inlet)
Then, on the wand's 1/4 in quick connect
Is it right for you?
| Good choice if | your washer is rated at or below 4,500 PSI |
|---|---|
| Look elsewhere if | you run a hot-water machine - it is rated for cold water only |
| Look elsewhere if | your hose or wand uses a different thread and you don't want adapters |
Questions about the 80148
Can I use the SIMPSON 80148 with a hot-water pressure washer?
No - SIMPSON rates it for cold water only (up to 140°F).
What connections does the 80148 have?
Hose connection: Threaded M22 male; wand/lance connection: Threaded M22 female. Check the matching part on your gun, hose or wand before ordering.
What pressure washer ratings does the 80148 support?
Up to 4,500 PSI and 6.6–8.0 GPM (SIMPSON figures conflict), according to SIMPSON.
What to check before buying
Source and editorial status
Manufacturer reference: SIMPSON product information ↗. Specifications checked 1 November 2026. We have not tested this product.