- Description
Certified Refurbished SilentMaster S900R 120V Central Vacuum Power Unit
The Certified Refurbished SilentMaster S900R 120V Central Vacuum Power Unit delivers exceptional whole-home cleaning performance at a more affordable price. Designed for large homes up to 20,000 sq. ft., this powerful dual-motor central vacuum system provides 905 air watts, 191 CFM airflow, and 139 inches of water lift for demanding cleaning applications.
Featuring dual 3-stage 5.7-inch bypass motors, an 8-gallon Tru-Seal HEPA bag system, and quiet 64 dBA operation, the SilentMaster S900R combines powerful suction, generous dirt capacity, and long-lasting performance. Each certified refurbished unit is professionally restored by certified MD technicians at All Things Clean, providing a dependable alternative to purchasing a brand-new central vacuum system.
Best For
- Large homes up to 20,000 sq. ft.
- Homeowners replacing an older or underperforming central vacuum power unit
- Homes with extensive central vacuum piping systems
- Pet owners and households with demanding cleaning needs
- Customers seeking premium central vacuum performance at a reduced cost
- Homeowners who want a professionally refurbished system rather than purchasing new
Key Features
- 905 Air Watts: Powerful suction performance for demanding whole-home cleaning.
- 191 CFM Airflow: High airflow for effective dirt and debris pickup throughout the central vacuum system.
- 139 Inches of Water Lift: Strong suction capability for larger residential installations.
- Dual 3-Stage 5.7-Inch Bypass Motors: Delivers excellent suction and airflow simultaneously for sustained cleaning performance.
- Up to 20,000 Sq. Ft. Coverage: Designed for large homes and extensive central vacuum systems.
- 64 dBA Quiet Operation: Ultra-quiet sound suppression helps reduce operating noise.
- 8-Gallon Tru-Seal HEPA Bag System: Large-capacity, contained dust collection with less frequent bag changes.
- Built-In Utility Valve: Convenient hose connection for cleaning around the power unit.
- Durable Steel Construction: Heavy-duty construction designed for long-term reliability.
- 120V Configuration: Designed for compatible dedicated 120V electrical installations.
- Assembled in the USA: Premium SilentMaster engineering and construction.
What Makes the SilentMaster S900R Different?
The SilentMaster S900R stands out for its dual-motor design, which delivers high levels of suction and airflow simultaneously. This helps maintain powerful cleaning performance throughout larger central vacuum systems, including homes with longer piping runs and multiple inlet locations.
Its dual-motor configuration is designed for excellent power and longevity, while the sound suppression system helps maintain quieter operation. The 8-gallon Tru-Seal bag system offers generous dirt capacity, convenient maintenance, and effective dust containment.
Certified Refurbished by All Things Clean
Every Certified Refurbished SilentMaster S900R from All Things Clean is professionally restored by certified MD technicians to deliver reliable cleaning performance and excellent cosmetic condition.
Our certified refurbished vacuums are guaranteed to be spotless, using new or slightly used replacement parts when necessary. Each unit is thoroughly disinfected inside, inspected, and fitted with replacement components as needed.
- Professionally Restored: Serviced by certified MD technicians.
- Thoroughly Cleaned & Disinfected: Interior components are carefully cleaned during refurbishment.
- Replacement Parts as Needed: Worn or damaged components are replaced with new or slightly used parts when necessary.
- Fresh Vacuum Bag Included: Each unit comes with a fresh collection bag.
- New Filters Included: Fresh filters are installed for a clean start.
- Excellent Cosmetic Condition: Restored to look, feel, and perform like new.
- Exceptional Value: Premium SilentMaster performance without the cost of purchasing a brand-new unit.
Important Electrical Requirements
The SilentMaster S900R 120V requires a dedicated 120V, 30-amp circuit with appropriate wiring and a NEMA 5-30 receptacle. It cannot be operated from a standard household 120V outlet. Please verify your electrical installation before purchasing.
Why Buy From All Things Clean
When you purchase a certified refurbished central vacuum from All Things Clean, you receive more than a professionally restored machine. Our team specializes in premium central vacuum systems and provides knowledgeable assistance with installation compatibility, replacement parts, bags, filters, and accessories.
SilentMaster Central Vacuum systems should be purchased within a 50-mile radius of your local dealer. Please call us at 408-354-4460 if you have questions or need help selecting the proper central vacuum system for your home or business.
Shipping/Delivery/Pickup
Shipping within US
Orders normally ship within 12-24 hours after submission. However, due to abnormally high order volume, our processing times can reach up to 2-3 business days. Our daily shipping cutoff time is 3pm PST. Order placed after this cutoff will ship the following business day.
We primarily use UPS ground for most shipments, however depending on the product size, weight, and shape we may choose to ship via USPS. If you have an urgent need for expediting shipping rates and times please call us directly at 408-354-4460. We are happy to accommodate.
Store/Curbside Pickup
All orders placed for Curbside pickup at our location will be ready within 1 hour of order placement.
Orders placed after 5pm weekdays and 3pm Saturdays may not be ready until the following business day. You will receive a text and or phone call to let you know when your order is ready. Customers may come into the store to pickup or simply reply to the text message to have your items delivered directly to your car outside. We are located at 457 N. Santa Cruz Ave in Los Gatos.
Designated parking stalls are clearly marked in front of our store for customers.
Local Delivery
Local deliveries will occur typically within 1 to 2 business days, we
will contact you after your order is placed. Local deliveries are
restricted by zip codes, if your address falls within the local delivery zone it will be an available option at checkout to select. If not
please choose the shipping or store/curbside pickup option.
All Things Clean provides true local delivery by one of our staff
experts to hand deliver your products directly to your doorstep. We also now offer unboxing, assembly, and in home product training to get the most out of your purchase and lessen the learning curve. These extra white glove services may be requested and purchased in advance by contacting us directly at 408-354-4460. Please have your order number ready when calling or texting. Rates charged vary by product.

