006-B50-22 Replacement Evaporator Blower
The KEAO 006-B50-22 replacement blower is a dual-wheel centrifugal evaporator blower designed for bus and truck air-conditioning systems. The series includes 12V and 24V models with single-speed and 3/4-speed control options.
With an airflow of 1000 m³/h, a speed of at least 3800 rpm and a specified noise level of no more than 74 dB(A), this blower series provides a practical replacement solution for vehicle evaporator and cabin air-conditioning applications.
Key Features
- 12V and 24V DC models available
- Dual-wheel centrifugal blower construction
- 1000 m³/h airflow
- 100 Pa static pressure
- ≥3800 rpm operating speed
- Single-speed and 3/4-speed versions
- Designed for bus and truck AC evaporator systems
- 13-month warranty
Model Specifications
| Model | Spannung | Speed Control | Aktuell | Airflow | Geschwindigkeit |
|---|---|---|---|---|---|
| KB124 | 12V DC | Single Speed | ≤24A | 1000 m³/h | ≥3800 rpm |
| KB124R | 12V DC | 3/4 Speed | ≤24A | 1000 m³/h | ≥3800 rpm |
| KB244 | 24V DC | Single Speed | ≤11A | 1000 m³/h | ≥3800 rpm |
| KB244R | 24V DC | 3/4 Speed | ≤11A | 1000 m³/h | ≥3800 rpm |
General Specifications
- Blower type: Dual-wheel centrifugal evaporator blower
- Static pressure: 100 Pa
- Noise level: ≤74 dB(A)
- Dimensions: 352 × 140 × 168 mm
- Net weight: 2.3 kg per piece
- Color: Black
- Application: Bus and truck air-conditioning evaporator systems
Test conditions: The 12V models are tested at 13.5V DC, while the 24V models are tested at 27.0V DC.
SPAL-Type Replacement Notice
This is a KEAO replacement product intended for suitable SPAL-type 006-B50-22 applications. It is not a genuine SPAL-manufactured product. Please compare the voltage, dimensions, mounting points, connector and speed-control configuration before ordering.
Frequently Asked Questions
Is this a genuine SPAL 006-B50-22 blower?
No. This is a KEAO replacement blower for suitable SPAL-type 006-B50-22 applications.
Is the blower available in both 12V and 24V?
Yes. KB124 and KB124R are 12V models. KB244 and KB244R are 24V models.
What is the difference between the standard and R models?
KB124 and KB244 are single-speed models. KB124R and KB244R provide 3/4-speed control options.
How do I select the correct model?
Please confirm the system voltage, required speed-control configuration, mounting dimensions and connector before ordering.
Contact us with your original blower model, voltage and installation photos for replacement-model confirmation and a quotation.













