MultiStar Cold – Your Source for Bus Air Conditioner Parts
The 24V Brushless Circulation Pump is a high-performance pump designed for bus heating and air conditioning systems. With 1500 L/h flow rate, 2.5m head, and 3700rpm no-load speed, it delivers reliable coolant circulation for passenger comfort in demanding transport environments.
Multistar Cold is your one-stop supplier for bus AC parts and transport refrigeration parts – original new and China-made options at competitive prices.
Premium Brushless Water Pump – One-Stop Bus AC & Transport Refrigeration Parts Supplier
Direct fit for standard 24V circulation pump applications
✨ Key Features & Benefits
- High Flow Rate – 1500 L/h for efficient coolant circulation in bus HVAC systems
- Brushless Motor – High efficiency, low power consumption, and long service life
- Quiet Operation – ≤50dB(A) noise level for passenger comfort
- Wide Temperature Range – Reliable operation from -40°C to +70°C
- Continuous Duty – Designed for continuous operation with 5000h service life
- One-stop supplier for bus AC & transport refrigeration parts
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Voltage | 24V DC (tested at 27V) |
| No-load Current | ≤1A |
| No-load Speed | 3700 ± 100rpm |
| Load Speed | ≥3000rpm |
| Vibration | ≤1.5m/s² |
| Noise | ≤50dB(A) |
| Pressure | ≥0.2 Bar |
| Flow Rate | ≥1500 L/h |
| Head | ≥2.5m |
| Operating Temperature | -40°C to +70°C |
| Working Mode | Continuous |
| Service Life | 5000h |
| Withstand Voltage | AC 660V, 1 second, no breakdown |
| Weight | Approx. 1.5 kg |
| Dimensions | 169 x 55 x 47mm |
Wiring & Connection
- Electrical Connector: AMP 282104-1
- Red Wire: Positive (+)
- Black Wire: Negative (-)
- Lead Wire Length: 170 ± 5mm
- Black Sleeve Length: 160 ± 5mm
🚛 Compatible Applications
This circulating pump is an original equipment part for Valeo, Webasto, and Spheros bus heating systems .
| Application | Details |
|---|---|
| Heating Systems | Bus passenger compartment heating |
| Pre-Heater Systems | Compatible with Webasto and Spheros diesel heaters |
| Bus Brands | MAN, Mercedes-Benz, Volvo, Scania, and other commercial vehicles |
| Advantage | Benefit |
|---|---|
| Factory Direct | No middlemen – competitive pricing |
| Quality Focus | OEM-grade materials and testing standards |
| Fast Delivery | Ready stock and quick production turnaround |
| Technical Support | Expert assistance for fitment verification |
| Global Reach | Shipping to 50+ countries worldwide |
| Flexible MOQ | Low minimum order quantities |
Multistar Cold – Your one-stop supplier for bus AC parts, transport refrigeration parts, Thermo King parts, and Carrier Transicold parts. OEM-grade quality, competitive pricing, and global shipping from China.






