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Mastercraft USA
Sootmaster Vacuum | 652M
Is stubborn soot plaguing your furnace, boiler, or flue pipes? Look no further than the Sootmaster Vacuum 652M, the ultimate soot vacuum solution for cleaner and safer heating systems. Why Choose the Sootmaster Vacu...
$1,010
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1 HP
MOTOR
94 CFM
AIRFLOW
0.75 Bu
STEEL TANK
UL Listed
CERTIFIED
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Sootmaster Vacuum | 641M
$980
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Sootmaster Vacuum | 652M
$1,010
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Pro Tip: After servicing a boiler or furnace, run the vacuum for 30 seconds without the hose attached to purge fine particulate from the filter. This quick step extends filter life significantly on jobs with heavy carbon buildup. Keep the 14" cloth filter assembly stocked — it's the most frequently replaced consumable on this unit. Shop INFILTRATOR® Filter Bags →
Sootmaster Vacuum | 652M
The Sootmaster 652M is the professional-grade upgrade in the Sootmaster line — UL Listed for safety compliance and equipped with a complete tool kit for cleaning burners, heat exchangers, and flue pipes. Where the 641M covers chimney and firebox work, the 652M is built for HVAC service professionals who need to clean commercial boiler rooms, industrial furnaces, and forced-air systems as part of routine maintenance contracts. The 0.75-bushel cold-rolled steel tank provides more capacity than the 641M with the same detachable, easy-empty design that makes soot removal clean and contained. The 1 HP motor at 120V draws 7 amps — compatible with standard building circuits — and delivers 94 CFM for consistent pickup from burner assemblies and heat exchanger baffles. The flexible 10-foot rubber-lined canvas hose reaches into confined equipment spaces. Made in Newburgh, NY. For HVAC contractors on annual maintenance contracts, the 652M is the unit that gets used daily. The UL Listing satisfies facility manager and insurance requirements on commercial and institutional accounts. A complete tool kit means one machine covers every part of a boiler service call without additional attachments.
- 1 HP motor at 120V with UL Listed safety certification delivers 94 CFM for high-volume commercial soot extraction
- 5.25-gallon detachable cold-rolled steel tank reduces emptying frequency on multi-flue and industrial boiler service jobs
- 10-foot rubber-lined canvas hose with 14-inch cloth filter and paper filter bag for contained portable soot capture
- UL Listed for safety compliance meeting certification requirements for commercial contracting and facility maintenance
- Engineered for cooled soot from wood, coal, oil, and gas combustion in commercial HVAC and boiler maintenance applications
- Manufactured in USA and backed by Mastercraft warranty for chimney sweep and commercial HVAC service professionals
| Model | Sootmaster® 652M |
| Type | Dedicated Soot & Ash Vacuum |
| Motor | 1 HP, 120V |
| Airflow (CFM) | 94 |
| Current Draw | 7 Amps |
| Tank Capacity | 5.25 Gallon (0.75 Bushel) |
| Tank Material | Cold-Rolled Steel |
| Hose | 10 ft Rubber-Lined Canvas |
| Filter | 14" Cloth Filter + Paper Filter Bag |
| Pickup Type | Dry Only |
| Compliance | UL Listed |
| Applications | Chimney Cleaning, Boiler Maintenance, Flue Pipe Cleaning, HVAC Service |
| Made In | USA |
| 641M | 652M ★ | |
|---|---|---|
| BEST FOR | Chimney Sweeps / Light Commercial | HVAC Contractors / Larger Volume |
| MOTOR | 1 HP | 1 HP |
| CFM | 94 | 94 |
| TANK | 3.5 Gal Steel | 5.25 Gal Steel |
| FILTER TYPE | Cloth + Paper Bag | Cloth + Paper Bag |
| HEPA | × | × |
| APPLICATION | Chimney, Boiler, Flue Pipe | Chimney, Boiler, Flue Pipe, HVAC |
| PRICE | $980 | $1,010 |
Both models use the same 1 HP motor and produce 94 CFM of suction. The primary difference is tank capacity: the 641M has a 3.5-gallon (0.5 bushel) steel tank suited for residential chimney sweeping and lighter-volume work, while the 652M has a 5.25-gallon (0.75 bushel) steel tank designed for higher-volume commercial jobs such as industrial boiler maintenance and multi-flue HVAC cleaning. If you are servicing multiple appliances per visit, the 652M reduces the frequency of emptying.
No. The SootMaster uses a 14" cloth filter and disposable paper filter bag system. It is engineered specifically for soot, ash, and carbon residue from combustion systems — materials that are heavy and fall out of suspension quickly. For jobs involving regulated fine particulate such as asbestos or lead dust, use an Enviromaster® Critical HEPA vacuum instead.
No. The SootMaster is designed for cooled soot and ash residue only. Never vacuum hot embers, live ash, or any material above ambient temperature — doing so creates a fire and explosion hazard and will damage the vacuum. Always allow ash and residue to cool completely (typically 24 hours for fireplaces and wood stoves) before vacuuming. For high-temperature industrial residue, see the Mastercraft® Industrial Ash Vacuum.
Both the 641M and 652M use 14" cloth filters and compatible paper filter bags (available in 5-packs). Replace the paper bag when approximately two-thirds full to maintain suction. Inspect and clean the cloth filter after every 5–10 uses, and replace it when tears, holes, or heavy residue buildup are visible.
The 652M is UL Listed for safety compliance. Both models are manufactured to the same quality standards. Check your local and state regulatory requirements to confirm which certification is required for your jurisdiction or contracting work.
After each use, remove and empty the steel tank, wipe the interior clean before residue cools and hardens, and inspect the cloth filter for tears or buildup. Store with the tank empty and lid unsealed to prevent odor buildup. Inspect hose connections and rubber lining for cracks before each job. For commercial service work, Mastercraft® recommends starting each job with a fresh paper bag to document clean filtration.
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