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Screens, brushes, gaskets, wedges, heads, bodies, bearings/seals, spray bars, and more.
Parts Availability: All replacement parts are stocked by authorized dealers or available direct from CTC Waterworks. Standard lead times: in-stock items ship within 1-3 business days, custom fabrications 2-4 weeks. For part numbers, current availability, and pricing, contact your local dealer or CTC engineering.
Manual brush cleaning kits for BIG Series inline filters. Hand-crank operated cleaning mechanism.
Automatic brush cleaning systems for BIG Series. Sensor or timer-triggered automated cleaning.
Manual brush cleaning kits for TIG Series inline filters. Hand-crank operated cleaning mechanism.
Automatic brush cleaning systems for TIG Series. Sensor or timer-triggered automated cleaning.
Manual vacuum cleaning kits for BIG Series. Hand-crank operated vacuum cleaning cycles.
Automatic vacuum cleaning drive units for BIG Series. Sensor-driven automated cleaning cycles.
Replacement screens for BIG Series inline filters by size. 304 stainless steel construction.
Complete replacement components for BIG Series filters. Includes bodies, inlets, heads, O-rings, and wedges.
| Size | Body Only | Inlet Only | Head Only | O-Ring Gasket | Blue Wedge |
|---|---|---|---|---|---|
| 3 NPT | B4475 30 lb | A4472 5 lb | B578 12 lb | A575 | A174 |
| 3 FLG | B4473 35 lb | A4474 11 lb | B578 12 lb | A575 | A174 |
| 4 NPT | B4527 45 lb | A4526 9 lb | B612 20 lb | A618 | A619 |
| 4 FLG | B4477 55 lb | A4476 13 lb | B612 20 lb | A618 | A619 |
| 6 | B4529 70 lb | B4528 17 lb | B623 22 lb | A620 | A622 |
| 8 | B4572 122 lb | B4573 22 lb | B1060 30 lb | A3779 | A1073 |
| 10 S | B4586 153 lb | B4587 31 lb | B1079 38 lb | A3780 | A763 |
| 10 M | B4588 192 lb | B4587 31 lb | B1079 38 lb | A3780 | A763 |
| 10 L | B4589 210 lb | B4587 31 lb | B1079 38 lb | A3780 | A763 |
| 12 / 3200 | B4556 278 lb | A4557 42 lb | A4555 42 lb | A4678 | A4874 |
Screen Element Compatibility: BIG-S uses the same screen element SKUs and gasket standards as BIG for the corresponding body sizes.
All standard BIG screens, gaskets, and cleaning system components (BIF, MVC, RAB, AVC) are compatible with BIG-S filter bodies. Refer to BIG Series parts sections above for screen and cleaning system part numbers.
Complete replacement components for GNG Series filters. All parts listed omit pricing — contact your dealer or CTC for current availability and quotes.
| Max Flow (GPM) | Body/Inlet (Item #) | Head Only (Item #) | Approx. WT (lb) | Screen Only (Item #) | Screen Dimensions |
|---|---|---|---|---|---|
| 500 | B3931 | A3927 | 14 | A3929 | 4″ × 24″ |
| 800 | B3196 | A3195 | 20 | A3220 | 6″ × 36″ |
| 1000 | B3210 | B3209 | 29 | A3221 | 8″ × 48″ |
| 1200 | B3185 | B3173 | 36 | B3222 | 10″ × 60″ |
| 1500 | B3746 | B3173 | 36 | B3223 | 10″ × 90″ |
| 2000 | B3969 | B3173 | 36 | B3982 | 10″ × 120″ |
| Max Flow (GPM) | Body Seal (Item #) | Ring Lock (Item #) |
|---|---|---|
| 500 | A4263 | A3929 |
| 800 | A4264 | A3200 |
| 1000 | A4265 | A3199 |
| 1200–2000 | A4266 | A3198 |
GNG Parts Note: Ring-lock head components and fasteners are model-specific. When ordering replacement parts, always specify your GNG model number and flow rate to ensure correct fitment.
Complete brush assemblies and brush-only replacements for BIG Series cleaning systems.
Complete brush assemblies and brush-only replacements for TIG Series cleaning systems.
Manual brush cleaning kits for GNG Series inline filters. Hand-crank operated cleaning mechanism.
Automatic brush cleaning systems for GNG Series. Sensor or timer-triggered automated cleaning.
Complete brush assemblies and brush-only replacements for GNG Series cleaning systems.
Detailed replacement screen specifications for BIG Series filters. Available in perforated plate or mesh configurations.
| Size | Item # | Length (in) | Perf | Mesh |
|---|---|---|---|---|
| 2" | B589 | 12 | — | — |
| 3" | B148 | 18 | — | — |
| 4" | B617 | 24 | — | — |
| 6" | C630 | 36 | — | — |
| 8" | C1075 | 48 | — | — |
| 10" S | D1082S | 60 | — | — |
| 10" M | D1082M | 90 | — | — |
| 10" L | D1082L | 120 | — | — |
| 12" / 3200 | A4190 | 168 | — | — |
Compatible with BIG Series and TIG Series inline filters. Screens available in 20-120 mesh with 304 stainless steel construction.
| Screen Part # | Fits Models/Sizes | Length (in) | Mesh/Perf | Material | Notes |
|---|---|---|---|---|---|
| SCR-BIG-2-20 | BIG 2" | 18-36 | 20 mesh | 304 SS | Coarse filtration |
| SCR-BIG-2-50 | BIG 2" | 18-36 | 50 mesh | 304 SS | Medium filtration |
| SCR-BIG-2-80 | BIG 2" | 18-36 | 80 mesh | 304 SS | Fine filtration |
| SCR-BIG-2-120 | BIG 2" | 18-36 | 120 mesh | 304 SS | Very fine, emitter protection |
| SCR-BIG-3-50 | BIG 3" | 24-48 | 50 mesh | 304 SS | Standard agricultural |
| SCR-BIG-4-50 | BIG 4" | 30-60 | 50 mesh | 304 SS | Medium flow systems |
| SCR-TIG-2-80 | TIG 2" | 12-24 | 80 mesh | 304 SS | Compact inline, gasketed |
| SCR-TIG-3-80 | TIG 3" | 18-36 | 80 mesh | 304 SS | True inline design |
Replacement brush assemblies for BIG Series with brush cleaning. Complete assembly includes motor mount, brush head, and bristles.
| Brush Assembly # | Fits Models/Sizes | Bristle Type | Notes |
|---|---|---|---|
| BRU-BIG-2-STD | BIG 2" (BIF/RAB) | Nylon standard | General purpose, most applications |
| BRU-BIG-2-HD | BIG 2" (BIF/RAB) | Nylon heavy-duty | High debris loading, aggressive cleaning |
| BRU-BIG-3-STD | BIG 3" (BIF/RAB) | Nylon standard | Agricultural irrigation systems |
| BRU-BIG-4-STD | BIG 4" (BIF/RAB) | Nylon standard | Large flow applications |
| BRU-BIG-4-HD | BIG 4" (BIF/RAB) | Nylon heavy-duty | Industrial applications, heavy solids |
Replacement vacuum nozzles and suction arms for BIG Series with automatic vacuum cleaning systems.
| Nozzle/Arm # | Fits Models/Sizes | Notes |
|---|---|---|
| VAC-NOZ-2-STD | BIG 2" (MVC/AVC) | Standard vacuum nozzle, 1/2" port |
| VAC-ARM-2-STD | BIG 2" (MVC/AVC) | Complete suction arm assembly |
| VAC-NOZ-3-STD | BIG 3" (MVC/AVC) | Standard vacuum nozzle, 3/4" port |
| VAC-ARM-3-STD | BIG 3" (MVC/AVC) | Complete suction arm assembly |
| VAC-NOZ-4-STD | BIG 4" (MVC/AVC) | Standard vacuum nozzle, 1" port |
| VAC-ARM-4-STD | BIG 4" (MVC/AVC) | Complete suction arm assembly, heavy-duty |
Replacement gaskets and O-rings for all filter models. EPDM rubber standard, Viton available for high-temperature applications.
| Part # | Fits Models/Sizes | Material | Notes |
|---|---|---|---|
| GSK-BIG-2-EPDM | BIG 2" | EPDM | Head/body seal, standard temp |
| GSK-BIG-2-VIT | BIG 2" | Viton | High-temperature applications |
| GSK-BIG-3-EPDM | BIG 3" | EPDM | Head/body seal, standard temp |
| GSK-BIG-4-EPDM | BIG 4" | EPDM | Head/body seal, standard temp |
| GSK-TIG-2-EPDM | TIG 2" | EPDM | Gasketed union seal |
| GSK-TIG-3-EPDM | TIG 3" | EPDM | Gasketed union seal |
| ORING-KIT-STD | All models | EPDM | Assorted O-rings for service |
Screen retention wedges for BIG and TIG series. High-density polyethylene (HDPE) construction, blue color for easy identification.
| Part # | Fits | Qty per Assembly | Notes |
|---|---|---|---|
| WEDGE-BIG-2 | BIG 2" | 4 | Standard 2" screen retention |
| WEDGE-BIG-3 | BIG 3" | 4 | Standard 3" screen retention |
| WEDGE-BIG-4 | BIG 4" | 6 | Heavy-duty 4" screen retention |
| WEDGE-TIG-2 | TIG 2" | 4 | Gasketed design retention |
| WEDGE-TIG-3 | TIG 3" | 4 | Gasketed design retention |
| WEDGE-KIT-ASSORTED | All sizes | 24 (assorted) | Service kit, 2-4" sizes mixed |
Replacement filter heads and bodies. 304 stainless steel or 316 SS for corrosive environments. Custom fabrication available.
| Part # | Model/Size | Material | Approx. Weight | Notes |
|---|---|---|---|---|
| HEAD-BIG-2-304 | BIG 2" | 304 SS | 15 lbs | Standard head assembly |
| BODY-BIG-2-304 | BIG 2" | 304 SS | 25 lbs | Standard body, 24" length |
| HEAD-BIG-3-304 | BIG 3" | 304 SS | 25 lbs | Standard head assembly |
| BODY-BIG-3-304 | BIG 3" | 304 SS | 45 lbs | Standard body, 36" length |
| HEAD-BIG-4-304 | BIG 4" | 304 SS | 40 lbs | Standard head assembly |
| BODY-BIG-4-304 | BIG 4" | 304 SS | 75 lbs | Standard body, 48" length |
| HEAD-TIG-2-304 | TIG 2" | 304 SS | 8 lbs | Compact gasketed design |
Complete replacement components for TIG Series filters. Includes bodies, heads, O-rings, and wedges.
| Size | Body Only | Head Only | O-Ring Gasket | Blue Wedge |
|---|---|---|---|---|
| 3 THRD | B3963 20 lb | A3964 10 lb | A575 | A174 |
| 3 FLG | B3986 20 lb | A3964 10 lb | A575 | A174 |
| 4 THRD | B3987 29 lb | A3971 12 lb | A618 | A619 |
| 4 FLG | B3970 29 lb | A3971 12 lb | A618 | A619 |
| 6 | B3983 75 lb | B3985 18 lb | A620 | A622 |
| 8 | B4032 100 lb | A4031 28 lb | A3779 | A1073 |
Replacement parts for SCS2 self-cleaning suction screens with internal rotating spray bar. All parts size-specific to model.
| GPM | Item # |
|---|---|
| 100 | B3879 |
| 200 | B3880 |
| 300 | B3882 |
| 400 | B3888 |
| 600 | B3889 |
| 800 | B3531 |
| 1000 | B3457 |
| 1200 | B3458 |
| 1400 | B3462 |
| 1600 | B3463 |
| 2000 | B3466 |
| 2400 | B3470 |
| 3000 | B3476 |
| 3600 | C3630 |
Accessories for PSF passive fish-friendly screens. Protective hoops, stands, and mounting hardware.
| Part # | Fits | Notes |
|---|---|---|
| HOOP-PSF-3 | PSF-3 | Protective hoops, 304 SS, set of 3 |
| HOOP-PSF-4 | PSF-4 | Protective hoops, 304 SS, set of 4 |
| HOOP-PSF-8-REQ | PSF-8 | Protective hoops, required for 8", set of 5 |
| HOOP-PSF-10-REQ | PSF-10 | Protective hoops, required for 10", set of 6 |
| STAND-PSF-FLOAT | All PSF | Floating stand assembly with collar |
| STAND-PSF-FIXED | All PSF | Fixed mounting stand, bottom-mounted |
| MOUNT-KIT-FLANGE | All PSF | Flange mounting kit, specify size |
| MOUNT-KIT-COLLAR | All PSF | Collar mounting kit, bolt-on, specify pipe OD |
Replacement parts for BWB Water Box filters. Screen baskets, gaskets, and access door components.
| Part # | Fits | Notes |
|---|---|---|
| BASK-BWB-200-50 | BWB-200 | Screen basket, 50 mesh, 304 SS |
| BASK-BWB-400-50 | BWB-400 | Screen basket, 50 mesh, 304 SS |
| BASK-BWB-700-50 | BWB-700 | Screen basket, 50 mesh, 304 SS |
| BASK-BWB-1000-50 | BWB-1000 | Screen basket, 50 mesh, 304 SS |
| GSK-BWB-DOOR | All BWB | Access door gasket, EPDM |
| GSK-BWB-INLET | All BWB | Inlet flange gasket, size-specific |
| HDWR-BWB-DOOR | All BWB | Door hardware kit, bolts/latches |
Our parts specialists can help you identify the correct replacement parts for your filtration system. Contact us with your model number, serial number, or photos for fast identification and quotes.