• 1-800-544-1188   
  •  
  • M-F FROM 9 AM TO 5 PM
  •                                          

Choose the right noozle orifice

Use this chart to select the right nozzle orifice size for your pressure washer.

  PSI - Pounds per square inch  
 
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
Nozzle Orifice Size
G
1
1.2
1.4
1.6
1.7
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2
A
L
1.3
1.6
1.8
2
2.2
2.3
2.5
2.7
2.8
2.9
3.1
3.2
3.3
3.4
3.5
2.5
L
O
1.5
1.8
2.1
2.4
2.6
2.8
3
3.2
3.4
3.5
3.7
3.8
4
4.1
4.2
3
N
S
1.8
2.2
2.5
2.8
3.1
3.3
3.5
3.7
3.9
4.1
4.3
4.5
4.6
4.8
4.9
3.5
 
P
2
2.5
2.8
3.2
3.5
3.7
4
4.2
4.5
4.7
4.9
5.1
5.3
5.5
5.7
4
E
R
2.3
2.8
3.2
3.6
3.9
4.2
4.5
4.8
5
5.3
5.5
5.7
6
6.2
6.4
4.5
 
M
2.5
3.1
3.5
4
4.3
4.7
5
5.3
5.6
5.9
6.1
6.4
6.6
6.8
7.1
5
I
N
2.8
3.4
3.9
4.3
4.8
5.1
5.5
5.8
6.2
6.4
6.7
7
7.3
7.5
7.8
5.5
U
T
3
3.7
4.2
4.7
5.2
5.6
6
6.4
6.7
7
7.3
7.6
7.9
8.2
8.5
6
E
 
3.3
4
4.6
5.1
5.6
6.1
6.5
6.9
7.3
7.6
8
8.3
8.6
8.9
9.2
6.5
 
 
3.5
4.3
4.9
5.5
6.1
6.5
7
7.4
7.8
8.2
8.6
8.9
9.3
9.6
9.9
7
 
 
3.8
4.6
5.3
5.9
6.5
7
7.5
8
8.4
8.8
9.2
9.6
9.9
10.3
10.6
7.5
 
 
4
4.9
5.7
6.3
6.9
7.5
8
8.5
8.9
9.4
9.8
10.2
10.6
11
11.3
8
 
  4.25 5.21 6.01 6.72 7.36 7.95 8.5 9.02 9.5 - - - - - - 8.5
 
 
4.5
5.5
6.4
7.1
7.8
8.4
9
9.6
10.1
10.6
11
11.5
11.9
12.3
12.7
9
 
  4.75 5.82 6.72 7.51 8.23 8.89 9.5 10.08 10.62 - - - - - - 9.5
 
 
5
6.1
7.1
7.9
8.7
9.4
10
10.6
11.2
11.7
12.2
12.7
13.2
13.7
14.1
10
 
  5.5 6.74 7.78 8.7 9.53 10.29 11 11.67 12.3 - - - - - - 11
 
 
6
7.3
8.5
9.5
10.4
11.2
12
12.7
13.4
14.1
14.7
15.3
15.9
16.4
17
12