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Combination Inlets: Catch Basin
Neenah Foundry offers a variety of cast iron combination inlet catch basins. Use the drop down menu below to find the combination inlet catch basins that fit your needs.
R-3223 Series+
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R-3223 Series
Cast Iron Sub-Basin Bowl
Heavy Duty

| Catalog No. |
A |
A-A |
B |
B-B |
C |
C-C |
D |
E |
| R-3223 |
37 3/4 |
35 |
5 1/4 |
5 1/4 |
3 1/2 |
5 1/4 |
29 |
24 1/2 |
| R-3223-A |
37 |
31 |
5 1/4 |
5 1/4 |
5 1/4 |
5 1/4 |
20 1/2 |
20 1/2 |
| R-3223-B |
31 |
31 |
5 1/4 |
5 1/4 |
5 1/4 |
5 1/4 |
20 1/2 |
20 1/2 |
R-3226 Series+
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R-3226
Series Catch Basin Elbow
Heavy Duty

Section showing one method of catch basin assembly. Note catch basin frame, grate, curb box, catch basin bowl and elbow. See R-3705 series for catch basin trap detail.
| Catalog No. |
Elbow Height "A" |
| R-3226-A |
12 1/2 |
| R-3226-B |
20 |
R-3256+
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R-3256
Inlet Frame, Lid, Access Lid
Heavy Duty

- Large lid furnished standard with straight face as shown.
- Also available for 8-foot or 20-foot corner radius.
- Not recommended for use in areas where large gutter trash objects are prevalent.
- Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3308+
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R-3308
Catch Basin Frame, Lid
Heavy Duty

For behind-the-curb construction.
Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3312-A+
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R-3312-A
Single Catch Basin Frame, Lid
Heavy Duty

For behind-the-curb construction.
Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3312-B+
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R-3312-B
Double Catch Basin Frame, Lid
Heavy Duty

See 3312-A for additional dimensional information.
For behind-the-curb construction.
Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
Double unit consists of two sections placed end to end with butting joint machine-finished.
1" steel rod keeps frames tightly together.
R-3313+
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R-3313
Catch Basin Frame, Lid
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines..
R-3317-R+
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R-3317-R
Wing Type Inlet
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
For Left Hand inlet, order R-3317-L.
R-3318+
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R-3318
Catch Basin Frame, Lid
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3323+
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R-3323
Inlet with Flat Pan Outlet
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3323-P+
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R-3323-P
Inlet with Deep Pan Outlet
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3324+
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R-3324
Inlet with Flat Pan Outlet
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3324-P+
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R-3324-P
Inlet with Deep Pan Outlet
Heavy Duty

Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3326+
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R-3326
Large Catch Basin Frame, Lid
Heavy Duty

- Available with 3" radius curb front, order R-3326-A.
- Specify cast iron angle support if required.
Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3330 Series+
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R-3330 Series
Catch Basin Frame, Lid
Heavy Duty

| Catalog No. |
A |
B |
C |
D |
E |
F |
| R-3330 |
34 1/2 |
30 |
34 |
23 1/2 |
4 |
1 |
| R-3331 |
34 |
30 |
31 3/4 |
22 3/4 |
4 |
7/8 |
Not recommended for use in areas where large gutter trash objects are prevalent.
Curb opening, without gutter grate, allows large trash to enter catch basin and clog lines.
R-3333-A+
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R-3333-A
Catch Basin Frame, Lid
Heavy Duty

- For behind-the-curb construction.
- Lids furnished standard with type "F" locks.
- Openings are 3" x 4-1/2".
R-3334-F+
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R-3334-F
Catch Basin Frame, Lid
Heavy Duty

For behind-the-curb construction.
Not recommended for use in areas where large gutter trash objects
are prevalent. Curb opening, without gutter grate, allows large trash to
enter catch basin and clog lines.
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All dimensions are listed in inches unless otherwise noted.
To order Neenah Foundry products, please call 800.558.5075.