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12V DC Centrifugal Water Pump for Air Source Water Heater
**12V DC Centrifugal Water Pump for Air Source Water Heater**
This 12V DC centrifugal water pump, model P4521, is designed for use in air source water heating systems. It offers reliable performance and is ideal for both indoor and outdoor applications. The pump features a horizontal shaft and is built with a horizontal split casing for easy maintenance.
Key specifications include:
- **Model Number:** P4521
- **Pump Shaft Position:** Horizontal
- **Casing Type:** Horizontal Split Pumps
- **Mounting Height:** Under or inside the water tank
- **Impeller Type:** Closed
- **Usage:** Pump, Circulating Pump
- **Weight:** 0.22kg
- **Protection Level:** IP55 / IP68
- **Insulation Class:** E
- **Service Life:** Up to 20,000 hours
- **Medium:** Clear water, antifreeze
- **Trademark:** SHENPENG
- **Packaging:** Cartons + Pallet
- **Origin:** Guangdong, China
- **HS Code:** 8413810010
The pump is powered by a DC brushless motor, ensuring quiet operation and high efficiency. It operates on a voltage range of 8–20V (for 12V models) or 12–30V (for 24V models), making it compatible with various power sources such as batteries, electric supplies, or solar panels.
**Technical Specifications:**
| Feature | Specification |
|----------------------|------------------------------------------------|
| Rated Voltage | 12V / 24V |
| Voltage Range | 8–20V / 12–30V |
| Max Flow Rate | 10L/min, 13L/min |
| Max Lift | 5m / 8m |
| Max Noise | 40dB / 45dB |
| Motor Type | DC Brushless Motor |
| Food Grade (Y/N) | N |
| Liquid Temperature | 0–100°C |
| Ambient Temperature | -0–70°C |
| Pump Theory | Centrifugal Pump |
| Medium | Hot or cold water, oil, antifreeze |
| Protection Level | IP55 / IP68 |
| Usage Location | Indoor / Outdoor |
| Power Consumption | 13W / 30W |
| Service Life | 20,000 hours |
| Inlet Diameter | 1/4 inch |
| Outlet Diameter | 1/4 inch |
| Dimensions | 84.1 x 46 x 47mm |
| Power Supply | Battery / Electric / Solar Panel |
| Structure | Single-stage |
| Material | PPS |
**Customized Features:**
1. Dry-running protection
2. Submersible design
3. PWM speed adjustable
4. FG signal output
5. Locked-rotor protection
**Notes:** Not self-priming. Suitable for continuous operation in various environments. The pump is compact and lightweight, making it easy to install and maintain. It is ideal for applications requiring reliable and efficient water circulation, such as air source heat pumps, cooling systems, and industrial processes.
This pump provides excellent performance and durability, making it a great choice for commercial and residential use. Whether you're looking for a replacement part or a new system component, the P4521 is a reliable and cost-effective option.