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Numatic 2 Stage Lamb Bypass Vacuum Cleaner Motor 230V BI21104

SKU 205411
BARCODE 5028965642306
By: Numatic
Original price $238.80 - Original price $238.80
Original price
$238.80
$238.80 - $238.80
Current price $238.80
Availability: This product will be delivered in 3-5 business days

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Delivery Notice:

Please allow 3-5 business days for processing before it's ready for delivery or pickup. All standard delivery options still apply.

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Numatic 2-Stage Bypass Vacuum Motor 230V (205411) – Replacement Vacuum Motor

Execute an absolute, factory-grade restoration of your heavy-duty wet and dry extraction machine and instantly regain optimal suction power with the genuine Numatic 2-Stage Bypass Vacuum Motor (205411). In the grueling commercial contract cleaning and flood restoration sectors, wet vacuums are subjected to extreme operational demands. When internal carbon brushes wear out, or if excessive moisture eventually compromises the electrical components, the motor will fail. Purchasing a brand-new commercial wet/dry vacuum is an unnecessary capital expense. This professional-grade replacement vacuum motor acts as the definitive mechanical fix. Engineered specifically as a 'Bypass' motor, it safely isolates the electrical components from the wet working air, completely refreshing your machine’s ability to extract heavy slurry and water.

Manufactured to exacting commercial standards (Motor Number: BL21104), this 230V 2-stage motor guarantees flawless electrical integration and structural fitment. It is specifically designed to suit a vast array of Numatic wet pick-up extraction machines that rely on the BL21104 specification, such as the Charles and George models when configured for wet use. By utilizing these authentic, factory-authorized vacuum cleaner parts, repair technicians and facility managers can ensure their high-use commercial wet extraction fleets remain fully operational, completely avoiding costly worksite downtime and maintaining the highest standard of daily liquid recovery performance.

Who Is The Numatic 2-Stage Bypass Motor Ideal For?

The Numatic 205411 delivers a robust 230V output, a 2-stage Bypass cooling design, and exact BL21104 fitment. It is highly recommended for:

  • Vacuum Repair Technicians: Utilizing genuine replacement vacuum motors to execute rapid, professional-grade electrical repairs on dead Numatic wet/dry machines, guaranteeing clients receive a safe, factory-authorized restoration.
  • Flood Restoration Contractors: Relying on the highly durable bypass motor design to confidently rebuild their heavy-duty water extraction vacuums, ensuring reliable, high-power suction during emergency flood recovery operations.
  • Commercial Cleaning Contractors: Taking advantage of this highly economical replacement part to fix their Numatic carpet extraction machines in-house, preventing the massive expense of buying completely new units.
  • Facility OH&S Managers: Deploying premium vacuum cleaner parts to ensure all electrical repairs on wet-use machinery meet strict safety standards by avoiding cheap, untested aftermarket motors.

Key Features and Performance Benefits:

  • Specialized Bypass Design: Essential for wet vacuuming. Unlike standard motors, a Bypass motor utilizes a separate, independent fan to draw in clean cooling air over the electrical components. The wet, dirty air sucked up from the floor completely bypasses the electrical housing, preventing catastrophic short circuits.
  • Powerful 2-Stage Extraction: The ultimate performance restoration. Featuring a dual-fan (2-stage) system, this heavy-duty motor generates massive airflow and extreme negative pressure, guaranteeing your machine can pull heavy water and slurry effortlessly.
  • Genuine Numatic OEM Quality: Uncompromising worksite reliability. This is the exact factory motor specification (BL21104) originally required by the machine, guaranteeing superior quality, longer carbon brush life, and a flawless physical fit.
  • Cost-Effective Fleet Maintenance: Extends equipment life. Replacing a burnt-out motor saves you hundreds of dollars compared to discarding the large plastic canister and buying a brand-new commercial wet/dry unit.
  • 230V Commercial Specification: Ready for immediate deployment. It is precisely wired and rated for standard commercial power grids, ensuring safe, consistent performance without voltage fluctuations.

Technical Specifications & Compatibility:

  • Brand: Numatic (Genuine Spare Part)
  • Part Number: 205411
  • Motor Specification Number: BL21104
  • Product Type: Vacuum Motor / 2-Stage Bypass / Replacement Vacuum Motor
  • Voltage: 230 Volts
  • Cooling Style: Bypass (Safe for wet extraction)
  • Machine Compatibility: Fits most Numatic wet pick-up extraction machines requiring motor number BL21104 (e.g., specific George and Charles wet models).

Dispatch: Items marked as “In stock” or “Ready to be shipped” are usually dispatched within 1 business day after payment is received. If an item is not in stock and ordered from our supplier, please allow 3–5 business days for processing before it is ready for delivery or pickup. All standard delivery options still apply.

Shipping: Delivery costs are calculated at checkout based on your location and order size. Bulky items and chemicals may attract additional freight charges and cannot be sent to PO Boxes.

Delivery: Parcels are delivered by road freight. Authority to leave may be used if no one is available to receive the order. For full details, please see our Shipping & Delivery Policy

Business days to delivery

NSW
City 1 Day
VIC
Melbourne 1 Day
Regional 3–4 Days
QUEENSLAND
Brisbane 1–2 Days
Regional 3–4 Days
SOUTH AUSTRALIA
Adelaide 2–3 Days
Regional 4–5 Days
NORTHERN TERRITORY
All Areas 4–6 Days
WESTERN AUSTRALIA
All Areas 4–6 Days
TASMANIA
All Areas 4–6 Days
What is the difference between a 'Bypass' motor and a 'FlowThru' motor?

A FlowThru motor uses the vacuumed air to cool itself, which is strictly for dry vacuums. A 'Bypass' motor has a separate cooling fan. The wet air sucked from the floor 'bypasses' the electrical components entirely. This makes Bypass motors essential and safe for wet/dry vacuums.

Is this a genuine Numatic part?

Yes! This is a 100% genuine, OEM Numatic commercial replacement motor (Part 205411 / BL21104). This ensures you are getting the exact, superior quality original motor designed for your extraction machine.

What does '2-Stage' mean?

A 2-stage motor utilizes two separate fan blades stacked on the shaft to generate stronger, more powerful suction (water lift) than a standard 1-stage motor. This is critical for pulling heavy water out of commercial carpets.

Do I need an electrician to install this motor?

YES. Vacuum motors run on live 230V mains power. Replacing a motor requires dismantling the machine and correctly re-terminating electrical connections. By law, this MUST be performed by a qualified electrical appliance repair technician.

Will this fit my standard red Henry vacuum?

No. The standard Henry (HVR200) is a 'Dry Only' vacuum that utilizes a different motor housing and a FlowThru motor design. This heavy-duty bypass motor is specifically for Numatic's wet-extraction machines.

Why did my original wet vacuum motor burn out?

In wet vacuums, motors typically fail if the internal float valve (which stops water from rising too high) gets jammed or broken, allowing liquid to flood the bypass housing. They also fail naturally over time as the carbon brushes wear down.

Does this motor come with new carbon brushes?

Yes, because it is a completely brand-new, fully assembled factory motor unit, it comes with a fresh set of internal carbon brushes already installed and ready for thousands of hours of operation.

Will installing a new motor fix my suction issues?

If the vacuum is completely dead, smells like burning electrical wire, or is making a grinding noise, a new motor will fix it. However, if the motor sounds normal but you have low suction, the issue is likely a split hose or a blocked filter.

How do I know if my machine uses the BL21104 motor?

You or your repair technician will need to open the motor head housing of your Numatic wet vacuum and inspect the specification sticker printed directly on the side of the old motor to confirm it matches 'BL21104'.

Does this come with rubber mounting gaskets?

This listing is typically for the bare metal 'Motor Unit' only. The specific rubber noise-dampening gaskets that sit above and below the motor in the plastic housing must usually be transferred from your old motor.

Can a broken power cord cause the motor to stop?

Yes. Before purchasing an expensive new motor, a technician should always test the vacuum's power cord and the main on/off switch with a multimeter. A severed cord is often mistaken for a dead motor.

Do you offer trade pricing for vacuum repair shops?

Yes, Freshway Supplies provides highly competitive volume pricing and trade accounts for electrical appliance repair technicians, commercial cleaning contractors, and facility managers ordering bulk replacement parts. Contact us to establish your account.

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