The Koblenz U-80ZA SOA Endurance is the upright a nightly janitorial crew reaches for when the route is long and the building is still occupied. At 11.6 pounds with a 12-inch cleaning path and a 50-foot cord, one operator covers corridors, classrooms and open office carpet without stopping to change outlets, and the 67.4 dB sound level is quiet enough to run while tenants are still at their desks.
Built for
- Nightly office, school and church carpet routes
- Hotel and dormitory corridors where noise is a complaint risk
- Contract cleaners who need a light machine crews will actually carry up stairs
- In-house facility teams standardizing on one serviceable upright
Use cases
Occupied-building cleaning
A 67.4 dB operating level lets crews vacuum lobbies, libraries and open-plan offices during business hours instead of pushing every room to a night shift. The single-motor open fan design does the work without the whine of a bypass motor.
Long-run corridor work
The 50-foot grounded cord is the commercial standard for a reason: it covers an entire hallway or a large room from one outlet. Fewer plug changes is the single biggest time saver on a repetitive route.
High-traffic entry carpet
A four-position carpet height adjustment lets the brush roll sit correctly on everything from thin glue-down commercial loop to cut pile, and edge cleaning on both sides pulls grit out of the baseboard line where it grinds fibers down.
Standardized multi-site fleets
One model across several buildings means one belt, one bag and one brush roll on the parts shelf. That is usually worth more over three years than a small difference in airflow on paper.
Why crews choose it
Serviceability is the real cost driver on a commercial upright. The U-80ZA opens to the belt, brush roll and fan chamber with no tools, so a belt change - a wear item that typically comes due every 6 to 12 months in heavy use - happens in the janitorial closet instead of going out to a shop.
The 125 CFM open fan design is deliberately chosen to reduce the risk of motor burnout: debris passes through the fan rather than choking a sealed motor when a bag fills or an operator picks up something they should not have.
Twin ball bearing construction on the brush roll and double helical DuPont nylon bristles keep the agitator pulling hair and string out of carpet for years rather than a season.
Specifications
- Motor: 7 amp, single-motor open fan design
- Cleaning path: 12 inches
- Airflow: 125 CFM
- Sound level: 67.4 dB
- Weight: 11.6 lb
- Cord: 50 ft grounded, safety yellow
- Filtration: HEPA type A zipper bag
- Carpet height: 4-position adjustment
- Brush roll: twin ball bearing, double helical DuPont nylon bristles, edge cleaning both sides
- Service access: tool-free to belt, brush roll and fan chamber
Frequently asked questions
Can the U-80ZA be used while a building is occupied?
Yes. It operates at 67.4 dB, quiet enough for most daytime office, library and healthcare corridor work. Check your own facility noise policy, since some clinical and testing areas set stricter limits.
How often should the belt be replaced?
In heavy commercial use, upright vacuum belts generally need replacing every 6 to 12 months. A stretched belt lets the brush roll slow down, which cuts agitation and makes the motor work harder, so it is worth checking on a schedule rather than waiting for a failure.
What filter bag does it take?
The U-80ZA uses a HEPA type A zipper bag. Using the correct bag matters for both filtration and airflow, since an off-spec bag can restrict the fan and shorten motor life.
How is an open fan design different from a bypass-motor upright?
In an open fan machine the airstream passes through the fan. It costs less to run and service and is more forgiving of a full bag, but it is not meant for wet pickup or fine construction dust. For drywall dust, use a dedicated wet or dry vacuum.
Are above-floor tools included?
No. The U-80ZA is a carpet upright and ships as the machine with its bag. Above-floor work is handled by a separate hose kit or a canister unit.
Discount Cleaning Products is an authorized dealer for the brands we carry. Every unit ships new in the factory carton with the full manufacturer warranty, and our US-based team can match bags, belts, filters and replacement parts to the model you own so a routine wear item never turns into downtime.
