Below you will find exploded diagrams, part numbers, and tune-up kit information for most standard models in our line of MicroBlasting equipment.
- AccuFlo®
- ProCenter Plus™
- MicroBlaster®
- DirectFlo™ and PowerFlo®
- Workstations
- Dust Collectors
- Air Dryers
This page is best viewed on a desktop monitor.
For more detailed information and schematics, consult the equipment manual for your specific unit.

How to Place an Order
CALL
1-818-841-5500
Fill out the Contact Form below. Select the “Customer Service” department and please include the part number, part description, and the quantity of the item you wish to purchase in the body of your message.
FAX
Send the order request to 1-818-955-8365 attention “Customer Service” and include the part number, description, and quantity.
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OFFICE HOURS
Comco is open Monday through Friday 6:30 AM – 4:00 PM Pacific Standard.

Standard model AF10 AccuFlo®
AccuFlo - Tune-Up Kits
Each kit provides a backup of 3 common wear items for most Standard AF10 AccuFlo models*. The only item that differs kit-to-kit is the PowderGate Output Fitting. Check the serial number on your unit and use the table below to select the right tune-up kit for your model. Cross-reference with the diagram above as needed.
Kit # MB2247 | Kit # MB2247-2 | Kit # MB2247-3 | |
---|---|---|---|
For 1/4" output fitting (AF serial # up to 130) | For 1/4" output fitting (AF serial # 131 and up) | For 3/8" output fitting | |
PowderGate Output Fitting | MB2560-2 | MB2560-3 | MB2560-4 |
PowderGate Nose (Seal) | MB1653 | ||
O-Ring | ST5650-242 |
*These tune-up kits are not appropriate for the AF10-C Constant Air Bleed model AccuFlo. Wear items for the AF10-C should be purchased individually.
AccuFlo - Other Replacement Part Numbers and Descriptions
Appropriate for most Standard AF10 AccuFlo models. Parts may vary for other models like the AF10-C Constant Air Bleed and AF10-H High-Pressure AccuFlo. Cross-reference with the diagram above.
Part Description | Part # |
---|---|
Abrasive Blend Assembly | MB2270 |
Bypass Tube (See Bypass Tube Selection Table for specific part numbers) | MB2265-X |
Cover | MB2202-1 |
Footswitch | PF2414 |
Fuse, 220V, 5X20MM, (110V: 1A, Time Delay) (230V: 500mA, Time Delay) | ST2005-010 (115V) or ST2005-005 (230V) |
Gauge | MB2280-1 |
Modulator | MB2250-1 (115V) or MB2250-2 (230V) |
PCB Assembly | MB2231-1 (115V) or MB2231-2 (230V) |
PowderGate | MB2555 |
PowderGate Output Fitting (Included in Tune-up Kit) | MB2560-x |
PowderGate Nose (Seal) (Included in Tune-up Kit) | MB1653 |
Power Switch | ST2045-5 |
Regulator | MB2290-1 |
Valve Manifold | MB2210-1 |
Vent Pinch | MB2240 |
AccuFlo - Handpiece and Nozzle Part Numbers and Descriptions
Appropriate for all AccuFlo models. For a more comprehensive list of nozzles, visit our Nozzle Page.
Part Description | Part # |
---|---|
ComfortGrip Handpiece Assembly | MB2599 |
Abrasive Hose, Blue, 1/4″ Diameter, 25ft Package | MB1233-25 |
Abrasive Hose, Blue, 1/4″ Diameter, 100ft Spool Regulator Assembly | MB1233-100 |
0.018", Violet, Round Hi/Performance Nozzle | MB2520-18 |
0.030″, Green, Round Hi/Performance Nozzle | MB2520-30 |
0.046", Yellow, Round Hi/Performance Nozzle | MB2520-46 |
0.060", Red, Round Hi/Performance Nozzle | MB2520-60 |
AccuFlo - Tank Part Numbers and Descriptions
Appropriate for most Standard AF10 AccuFlo models. Parts may vary for other models. Cross-reference with the diagram above.
Part Description | Part # |
---|---|
O-Ring (Included with Tune-up Kit) | ST5650-242 |
Quicknut | MB1483 |
Replacement Window | MB2230 |
Tank Assembly | MB2200-10 (Standard) MB2200-20 (Tall Tank) |
Tank Cover with Window | MB2220 |
Tank Orifice | MB1409-xx (xx= orifice size; -40 is most common.) |
Vent Fitting | ST4010-2 |
AccuFlo - Bypass Tube Part Numbers
Standard Tank | Tall Tank | |
---|---|---|
Lean | MB2265-1C | MB2265-2C |
Medium | MB2265-1B | MB2265-2B |
Rich | MB2265-1A | MB2265-2A |

Standard model CTR200 ProCenter Plus™
ProCenter Plus - Replacement Part Numbers and Descriptions
Appropriate for most models*. Parts can be purchased separately. Cross-reference with the diagram above.
Part Description | Part # |
---|---|
Blow-off Gun Head | ST6272-3 |
Butterfly Assembly | CTR221 |
Desiccant | ST6104-4 (1 pack of 4 charges) |
Filter Cleaning Mallet Assembly (Assembly contains the three items listed below) | CTR305 |
- Mallet | - CTR240 |
- Knob | - ST5171-2 |
- Spring | - CTR241 |
Floor | CTR266 (for CTR200) CTR266-3 (for CTR201) |
Glass Assembly | CTR220 |
Hand Rest | CTR264-2 |
HEPA Filter | CTR280-1 |
Iris | CTR242 |
On/Off Switch | ST2045-3 |
Weather Strip | ST3418-3 (7ft) |
*Components unique to the ESD Control ProCenter Plus, like Grounding Jacks and the Ionizer Bar are not listed here.
ProCenter Plus - Fuses and Lights
ProCenter Model | Part # - Fuses | Part # - Lights |
---|---|---|
CTR200-1 | ST2005-050 (220V, 5x20MM, 5A, Time Delay), 2 required | ST2460-1 (40W Fluorescent, 21", 2G11 Base) |
CTR201-1 | ST2005-050 (220V, 5x20MM, 5A, Time Delay), 2 required | ST2460-2 (18W, Fluorescent, 7.5", 2G11 base) or ST2460-3 (18W, Black Light, 2G11 Base); 2 required |
CTR200-2 | ST2005-0315 (220V, 5x20MM, 3.15A, Time Delay), 2 required | ST2460-1 (40W, Fluorescent, 21", 2G11 Base) |
CTR201-2 | ST2005-0315 (220V, 5x20MM, 3.15A, Time Delay) 2 required | ST2460-2 (18W, Fluorescent, 7.5"2G11 Base) or ST2460-3 (18W, Black Light, 7.5", 2G11 Base); 2 required |

Tank Orifice
MB1409-xx
Bypass Tube
MB1025-5
Vent Pinch Assembly
MB1489-1 (115V) or MB1489-2 (230V)
___________________________
(See sub-assembly dropdown below for a list of individual part numbers and descriptions.)
Air Valve Assembly
MB1198-9 (115V) or MB1198-10 (230V)
Abrasive Hose
MB1233-25 (25 ft) or MB1233-100 (100 ft)
Modulator Housing Assembly
MB1301-2
Filter/ Check Valve Assembly
MB1560
Abrasive Pinch Assembly
MB1300-5 (115V) or MB1300-6 (230V)
Abrasive Tank Assembly
MB1404-13
____________________________
(See sub-assembly dropdown below for a list of individual part numbers and descriptions.)
Plastic Tube 1/4"
ST4012
Air Pressure Gage
MB1407-1
Cutting Speed Regulator
MB1403-4
Abrasive Blend Assembly (Powder Adjustment)
MB1397-1
Abrasive Blend Knob (Powder Adjustment)
MB1396
Power Toggle Switch
ST7003
Socket, Neon
MB1227-1 (115V) or MB1227-2 (230V)
Fuse (Holder)
ST7005
Footswitch
ST7015
Power Cord
ST7016
Quicknut Connector
MB1455
Abrasive Hose
MB1233-25 (25ft) or MB1233-100 (100ft)
Standard model MB1000 Single Tank MicroBlaster®
MicroBlaster - Tune-Up Kit
The part number for the entire kit is MB1440. The kit contains the common wear items for most MicroBlaster models including Dual Tank units. Individual components are listed below. The Dual Tank MicroBlaster requires 2 tune-up kits. Cross-reference with the diagram above as needed.
Part Description | Part # | Quantity |
---|---|---|
Abrasive Hose, 1/4″ | MB1233-25 | 25 ft |
Brass Nuts with Sleeve | ST4019 | 2 |
1/4″ Ferrules | ST4020 | 5 |
Hose Connectors with Quicknut | MB1455 | 2 |
Modulator Housing Assembly | MB1301-2 | 1 |
Nozzle Nose | MB1230-1 | 1 |
1/4″ Nylon Tube | ST4012 | 3 ft |
O-ring* (4.109ID) | ST5022 | 1 |
O-ring* (2.00ID) | ST5624 | 1 |

MicroBlaster tank cover on newer models.
*The O-rings in the MicroBlaster Tune-Up Kit are appropriate for the newer model MicroBlaster with a tank cover that looks like the one above. If you have a model that is over 15 years of age or features a plain cover without a sticker, please contact Technical Support to discuss upgrading to the new tank design. The O-rings in the Tune-Up Kit do not fit that older model tank.
Technical Support: 1-881-841-5500 | techsupport@comcoinc.com
MicroBlaster - Other Replacement Part Numbers and Descriptions
Appropriate for most models. Cross-reference with the diagram above.
If the MB1068 Tank Cover Assembly needs to be replaced in an older model MicroBlaster, then the Tank Cover O-Ring Kit (MB1450) is also needed. More importantly, it may be time to replace the tank. Please call Customer Service at 1-800-796-6626 and have the serial number for the unit ready.
Part Description | Part # |
---|---|
Abrasive Blend (Powder Adjustment) Knob | MB1396 |
Abrasive Blend (Powder Adjustment) Valve | MB1397-1 |
Abrasive Hose | MB1233-25 (25ft) or -100 (100 ft) |
Abrasive Tank Assembly | MB1404-13 |
Abrasive Pinch Assembly | MB1300-5 (115V) or MB1300-6 (230V) |
Air Pressure Gage | MB1407-1 |
Air Valve Assembly | MB1198-9 (115V) or MB1198-10 (230V) |
Bypass Tube | MB1025-5 |
Cutting Speed Regulator | MB1403-4 |
Filter/ Check Valve Assembly | MB1560 |
Footswitch | ST7015 |
Fuse (Holder) | ST7005 |
Lamp | ST7004 |
Modulator Housing Assembly | MB1301-2 |
QuickNut Connector | MB1455 |
Power Toggle Switch | ST7003 |
Power Cord | ST7016 |
Socket (Neon) | MB1227-1 (115V) or MB1227-2 (230V) |
Tank Orifice | MB1409-xx (xx= orifice size; -40 is most common) |
Tube (Plastic) | ST4012 |
Vent Pinch Assembly | MB1489-1 (115V) or MB1489-2 (230V) |

Abrasive Pinch Assembly MB1298-3 or MB1298-4
MB1298-3 (115V) or MB1298-4 (230V)
__________________________
(See sub-assembly dropdown below for individual part numbers and descriptions.)
Vent Pinch Assembly
MB1489-1 (115V) or MB1489-2 (230V)
__________________________
(See sub-assembly dropdown below for individual part numbers and descriptions.)
Quicknut Connector
MB1455
Tank Orifice
MB1409-xx
Abrasive Hose
MB1233-25 or MB1233-100
Air Valve Assembly
MB1198-9 (115V) or MB1198-10 (230V)
Abrasive Select or Tank Switch (Toggle)
ST7159
Modulator Housing Assembly
MB1301-2
Abrasive Blend Valve
MB1397-2
Socket, Neon
MB1227-1 (115V) or MB1227-2 (230V)
Air Pressure Gage
MB1407-1
Air Pressure Regulator Assembly
MB1321-5 (115V) or MB1321-6 (230V)
Pressure Regulator
MB1376-1 (part of assembly)
Abrasive Blend Valve (Powder Adjustment)
MB1397-1
Abrasive Blend Knob (Powder Adjustment)
MB1396
Power Switch
ST7003
Lamp
ST7004
Filter/ Check Valve Assembly
MB1560
Plastic Tube
ST4012
Power Cord
ST7016
Footswitch (Not Shown)
ST7015
Fuse (Holder)
ST7005
Abrasive Tank Assembly
MB1404-15 (Right) and MB1404-16 (Left)
____________________________
(See sub-assembly dropdown below for individual part numbers and descriptions.)
Bypass Tube
MB1025-5
Standard model MB1002 Dual Tank MicroBlaster®
Dual Tank MicroBlaster - Other Replacement Part Numbers and Descriptions
Appropriate for most models. Cross-reference with the diagram above.
Part Description | Part # |
---|---|
Abrasive Blend Knob | MB1396 |
Abrasive Blend Valve (2) | MB1397-1 and MB1397-2 |
Abrasive Hose | MB1233-25 (25 ft) or -100 (100 ft) |
Abrasive Select or Tank Switch (Toggle) | ST7159 |
Abrasive Tank Assembly (2) | MB1404-15 (Right) and MB1404-16 (Left) |
Abrasive Vent Pinch Assembly | MB1298-3 (115V) or MB1298-4 (230V) |
Air Pressure Gage | MB1407-1 |
Air Valve Assembly | MB1198-9 (115V) or MB1198-10 (230V) |
Bypass Tube | MB1025-5 |
Air Pressure Regulator Assembly | MB1321-5 (115V) or MB1321-6 (230V) |
Filter/Check Valve Assembly | MB1560 |
Footswitch (not shown) | ST7015 |
Fuse (Holder) | ST7005 |
Lamp | ST7004 |
Modulator Housing Assembly | MB1301-2 |
Quicknut Connector | MB1455 |
Plastic Tube | ST4012 |
Power Cord | ST7016 (115V) or ST7235 (230V) |
Power Switch | ST7003 |
Pressure Regulator | MB1376-1 |
Socket, Neon | MB1227-1 (115V) or MB1227-2 (230V) |
Tank Orifice | MB1409-xx |
Vent Pinch assembly | MB1489-1 (115V) or MB1489-2 (230V) |
MicroBlaster Sub-Assembly - Abrasive Pinch
The part numbers for the entire Abrasive Pinch Assembly for the Single Tank MicroBlaster (MB1000) are MB1300-5 (115V) and MB1300-6 (230V). The part numbers for the Abrasive Pinch Assembly on the Dual Tank MicroBlaster (MB1002) are MB1298-3 (115V) and MB1298-4 (230V).
Part Description | Part # |
---|---|
Bracket, Pinch (Single Tank only) | MB1384-1 |
Cylinder, 1 1/16 | ST6081 |
Elbow, 1/4T x 1/8P (Single Tank only) | ST4010 |
Plunger, Pinch | MB1050-2 |
Tube, Pinch | MB1282 |
Valve, Flow Control | ST6231 |
Valve, Sol. 3-way | ST6003-1 (115V) or ST6003-5 (230V) |
Vent, Breather | ST4003 |
MicroBlaster Sub-Assembly - Abrasive Tank
The part numbers for the entire Abrasive Tank Assembly on the Single Tank Microblaster (MB1000) is MB1404-13. The Dual Tank (MB1002) features two Abrasive Tank Assemblies, MB1404-15 and MB1404-16. Individual components are listed below.
Part Description | Part # |
---|---|
Bypass Tube | MB1025-5 |
Cross | ST4131 |
Elbow, Street 1/8P | ST4004 |
Elbow | ST4010 |
Elbow, Street, 0.125", 45° | ST4130 |
Nipple, 1/8P x 2 1/2 Lg | ST4110 |
Quicknut Connector | MB1455 |
Tank, Powder, Acme Thread | MB1328-13 |
MicroBlaster Sub-Assembly - Vent Pinch
The part numbers for the Vent Pinch Assembly are MB1489-1 (115V) and MB1489-2 (230V). Individual components are listed below.
Part Description | Part # | Quantity |
---|---|---|
Bracket, Pinch | MB1384-1 | 1 |
Cylinder, 1 1/16 | ST6081 | 1 |
Elbow, 1/4T x 1/8P | ST4010 | 1 |
Elbow, 1/4T x 1/8MPT | ST4144 | 2 |
Plunger, Pinch | MB1050-2 | 1 |
Tube, Pinch | MB1282 | 1 |
Tube, 1/4OD x 0.040 Wall | ST4012 | 1 |
Valve, 3-Way, NC | ST6277-1 (115V) or ST6277-2 (230V) | 1 |
Vent, Breather | ST4003 | 2 |
DirectFlo and PowerFlo - Replacement Parts Diagram with Part Numbers

DirectFlo and PowerFlo - Maintenance Kit
The part number for the entire Maintenance Kit is PF2489. Individual components are listed below. Appropriate for DF1400 and PF2400 models only.
Part Description | Part # | Quantity |
---|---|---|
Abrasive Hose, 1/4" | MB1233 | 6 ft |
Abrasive Hose, 3/8" | PF2083 | 8 ft |
1/4" T Bulkhead Union with MB1453 Quicknut Installed | ST4014 | 1 |
Connector with Quicknut | MB1455 | 2 |
3/8" x 1/4" NPT Male Connector | ST4184 | 1 |
Quicknut | MB1483 | 1 |
Modulator Housing Assembly | PF2040 | 1 |
O-Ring Replacement Kit | PF2139 | 1 |
PowderGate Nose | MB1653 | 1 |
PowderGate Valve Seat Assembly | PF2189-2 | 1 |
Tube Ferrule Set, 3/8" | ST4209 | 3 |
DirectFlo and PowerFlo - Other Replacement Part Numbers and Descriptions
Appropriate for most models. Cross-reference with the diagram above.
Part Description | Part # |
---|---|
1/4" Abrasive Hose (25 ft or 100 ft) | MB1233-25 or -100 |
3/8" Abrasive Hose (30 ft) | PF2083 |
Basket O-Ring | ST5504 |
Filter Element | ST267 |
Flapper O-Ring | ST5023 |
Flow Detector Tube | PF2417 |
Handpiece Tube | PF2066 |
Modulator Housing Assembly | PF2040 |
Nosepiece | MB1653 |
Nozzle | PF2110-x* |
Nozzle Nose Assembly | PF2090 |
Nozzle O-Ring | ST5508 |
PowderGate Valve Seat Assembly | PF2189-2 |
Replacement Hose Connector, Male | ST4184 |
Tank Cover Bolt Hardware | 4x PF2079, 4x ST1289, and 4x ST5163-6 |
Tank Cover Feedthru Bushing | PF2055 |
Tank Cover O-Ring | ST5496 |
Tank Orifice | MB1409-xx |
Tank Vent O-Ring | ST5496 |
Tubing Ferrule Set | ST4209 |
DirectFlo and PowerFlo - O-Ring Kit
Classic and BigBox Workstations - Replacement Parts Diagram with Part Numbers

Item | Part Description | Classic: WS2200 | BigBox: WS2280 |
---|---|---|---|
1 | Window Assembly | WS2014-2 | WS2014-2 |
Window Glass | WS1138-2 | WS1138-2 | |
2 | Window Shield | WS2279-3 (3-pack) WS2279-10 (10-pack) | WS2279-3 (3-pack) WS2279-10 (10-pack) |
3 | Seal | ST3260 | ST3260 |
4 | Grommet* | ST5311-2 | ST5311-2 |
5 | Iris 5″** | WS6006 | WS6006 |
6 | Switch | ST7003 | ST7003 |
7 | Ballast, 115/230V*** | ST7997-1 | ST7997-1 |
8 | Lamp**** | ST7164 (Lamp type: F15T8) | ST7164-3 (Lamp Type: F20T8) |
9 | Mat | WS1136 | WS2255-2 |
10 | Tube Grip, Bulkhead***** | ST5640-3 | ST5640-3 |
**Older Workstations (Serial numbers below 4460) use 4″ iris, part# WS2028-1.
***For 230V CE compliant Workstations use Ballast, part# ST7239-3.
****Standard replacement lamps are available at most hardware stores.
*****Workstations with 3/8″ holes in the rear panels use Grommet, part# ST5010.
ClearView Workstation - Replacement Parts Diagram with Part Numbers

Item # | Part Description | Part # |
---|---|---|
1 | Window Assembly | WS6014 |
2 | Window Shield | WS2279-3 (3-pack) WS2279-10 (10-pack) |
3 | Seal | ST3366 |
4 | Grommet* | ST5311-2 |
5 | Iris, 5”** | WS6006 |
6 | Switch | ST7977 |
7 | Ballast, 115/230V | ST7997-1 |
8 | Lamp*** | ST7164-4 (Lamp type: F14T8) |
9 | Mat | WS6007 |
10 | Tube Grip, Bulkhead**** | ST5640-3 |
**Older Workstations (Serial numbers below 4460) use 4″ iris, part# WS2028-1.
***Standard replacement lamps are available at most hardware stores.
****Workstations with 3/8″ holes in the rear panels use grommet, part# ST5010.
Dust Collectors (DC2000 series) - Replacement Bags
Appropriate all models.
Part Number | Part Description | Model Number |
---|---|---|
DC2117-1 | 3/4 hp (24 bags in a set) | DC2000-3 |
DC2118-1 | 1 hp (24 bags in a set) | DC2100-3 |
DC2118-2 | 1 1/2 hp (30 bags in a set) | DC2200-3 |
DC2118-2 | 3 hp (30 bags in a set) | DC2300-5 |
Dust Collectors (DC3100 series) - Replacement Cartridges
Appropriate for all models.
Quantity | Part Number | Part Description | Model Number |
---|---|---|---|
3 cartridges | DC3120 | 5 hp | DC3100-1 |
3 cartridges | DC3120 | 5 hp | DC3100-2 |
4 cartridges | DC3120 | 5 hp | DC3200-1 |
2 cartridges | DC3120 | 5 hp | DC3300-1 |
Dust Collectors - Replacement Hoses and Attachment Parts
See the corresponding model information below.
Part Number | Part Description |
---|---|
ST5329-4 | 4" hose for DC2000 and DC2100 |
ST5190-4 | 4" hose clamps for DC 2000 and DC2100 |
WS1411 | 4" collar for DC2000 and DC2100 |
ST5329-6 | 6" hose for DC2300 |
ST5190-6 | 6" hose clamps for DC2300 |
Desiccant Air Dryers (AD5100 series) - Replacement Parts Diagram with Part Numbers
Continuous Duty Air Dryer (AD5300 series) - Replacement Parts Diagram with Part Numbers
Air Dryers - Replacement Part Numbers and Descriptions
Individual part numbers for replacement items on AD5100 series Desiccant Air Dryers and AD5300 series Continuous Duty Air Dryers. Cross-reference with diagrams above.
Part Description | Part # for AD5100-1 | Part # for AD5100-4 | Part # for AD5300 |
---|---|---|---|
Replacement Desiccant Charge | ST6104-4 (1 pack of 4 charges) | ST6104-4 (1 pack of 4 charges) | |
Water Filter Kit | ST6196-2 | ||
Water Filter Replacement Filter Element Kit | ST6251-2 | ||
Fitting, male | ST4118 | ST4118 | |
Nipple | ST4025 | ST4025 | |
Water/ Oil Filter Set | ST6197-2 | ||
Oil Filter Replacement Element Kit | ST6252-2 | ||
Tee | ST4015 | ||
Drain Tube | ST4012 | ST4012 | |
Connector | ST4006 | ||
Pre-water Filter Element | ST6266-1 | ||
Oil Filter Element | ST6266-2 |