Description
Janitorial crews cleaning multi-surface office suites waste hours lugging bulky uprights between hard floors and carpeted cubicles. The Sanitaire SC3700A EXTEND 3.88 Qt. canister vacuum delivers compact multi-surface cleaning across a 3.88-quart dry container. It pulls 122 CFM on 120 Volt service. Thick plush carpets create suction seal that makes pushing the floor head difficult.
The canister body features high-impact ABS thermoplastic that absorbs doorframe impacts and desk leg strikes without cracking. An internal 10-amp commercial motor turns a balanced aluminum fan impeller inside an acoustically insulated motor dome. A multi-stage filtration system utilizes sealable paper dust bags backed by a secondary motor filter and an electrostatic exhaust disc. Durable rubber wheels mounted on solid steel axles prevent floor scuffing on delicate high-gloss gym hardwood.
Commercial Canister Hardware System Matrix
Compact canister architecture keeps equipment weight low to the ground for stable pulling behind operators. The combination floor tool adapts to hard tile or low-pile commercial carpet with a foot switch.
- 10-amp commercial vacuum motor delivers 122 CFM and 86 inches of water lift.
- 3.88-quart collection capacity holds routine office waste to minimize bag change stops.
- Combination floor nozzle shifts between bare floors and carpets with a foot pedal.
- 32-foot commercial power cord provides expansive reach without cord switching.
- Multi-stage filtration captures fine dust particles to protect motor bearings.
- Dual chrome steel extension wands provide rigid downward pressure without flex.
- Complete accessory kit includes a crevice tool, dusting brush, and upholstery nozzle.
Dyno Bench Vacuum Telemetry Metrics
Under continuous testing on 120 Volt line power, current draw stabilizes at 9.6 Amps through the combination floor head. The 10-amp motor turns at 21500 RPM while pulling 84 inches of static water lift across our test manometer. Motor casing temperatures rise by 31°F over 60 minutes of uninterrupted floor cleaning, leveling off at 129°F. Operating sound pressure reads 72 dBA at 1 meter distance. Airflow maintains 118 CFM through fresh paper bags before fine dust accumulation creates backpressure.
Shop Handling Field Boundaries
Weighing 14.4 pounds empty, this canister tracks behind technicians on dual rubber wheels without scuffing baseboards or furniture. Do not use this dry canister for water spills, carpet extraction runoff, or boiler soot cleanout. Moisture dissolves the paper filter bag, rots the secondary filters, and causes motor short circuits.
- Swap the paper filter bag whenever collected debris reaches the printed fill line.
- Wash the secondary motor intake filter in cold water every thirty days and air dry.
- Clean hair and lint from front caster swivel bearings every two weeks.
Commercial Warranty Delivery Manifest
Sanitaire covers the SC3700A EXTEND canister with a 2-Year commercial warranty on the motor, canister shell, and electrical wiring. The shipment includes the canister vacuum, a 32-foot power cord, a flexible hose, chrome steel wands, the combination floor tool, and two paper filter bags.