SIMPSON Universal 31-Inch Pressure Washer Wand 80479
31 in · 4,500 PSI · 1/4 in QC.
The SIMPSON 80479 is a 31 in cold-water wand rated up to 4,500 PSI. It connects to the gun with M22 inlet and takes 1/4 in quick connect nozzles.
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Specifications at a glance
| Brand | SIMPSON |
|---|---|
| Model | 80479 |
| Length | 31 in |
| Max pressure | 4,500 PSI |
| Max temperature | 140°F (cold water only) |
| Gun connection | M22 inlet |
| Nozzle connection | 1/4 in quick connect |
| 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 80479
Connection chain
M22 inlet to the gun, 1/4 in quick connect for nozzles - the same connections as the 16 in 80149.
Longer reach
At 31 in it keeps the nozzle further from your hands and feet, which helps on decks, driveways and low siding without bending.
Higher pressure rating
Rated to 4,500 PSI, it suits most gas washers, including high-pressure models above the 80149's 3,500 PSI limit.
Key features (from SIMPSON)
- 31 in extension
- M22 inlet and 1/4 in quick-connect nozzle outlet
- 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.
Guns (M22 outlet)
1/4 in quick-connect accessories
Is it right for you?
| Good choice if | you want more reach or to keep the nozzle further from your body |
|---|---|
| Look elsewhere if | you run a hot-water machine - it is rated for cold water only |
| Look elsewhere if | your gun outlet doesn't match the wand's inlet |
Questions about the 80479
Can I use the SIMPSON 80479 with a hot-water pressure washer?
No - SIMPSON rates it for cold water only (up to 140°F).
What connections does the 80479 have?
Gun connection: M22 inlet; nozzle connection: 1/4 in quick connect. Check the matching part on your gun, hose or wand before ordering.
What pressure washer ratings does the 80479 support?
Up to 4,500 PSI, 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.