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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 specifically designed for use in air source water heaters. It offers efficient and reliable performance, making it ideal for both residential and industrial applications. The pump is built with a high-quality DC brushless motor, ensuring long service life and energy efficiency.
Key specifications include:
- **Model No.:** P4521
- **Position of Pump Shaft:** Horizontal
- **Pump Casing Type:** Horizontal Split Pumps
- **Mounting Height:** Under or in the Water Tank
- **Impeller Type:** Closed
- **Usage:** Circulating Pump, General Pump
- **Weight:** 0.22kg
- **Protection Level:** IP55 / IP68
- **Insulation Class:** E
- **Service Life:** Up to 20,000 hours
- **Medium:** Clear water, antifreeze, oil, and cold or hot water
- **Trademark:** SHENPENG
- **Transport Packaging:** Cartons + Pallet
- **Origin:** Guangdong, China
- **HS Code:** 8413810010
The pump operates on a rated voltage of 12V or 24V, with a voltage range of 8–20V or 12–30V, allowing flexibility in power supply options such as batteries, electric systems, or solar panels. It features a maximum flow rate of 10L/min or 13L/min, with a lift capacity of up to 5m or 8m. The noise level is kept low at 40dB or 45dB, ensuring quiet operation.
Constructed from durable PPS material, this pump is suitable for both indoor and outdoor use. It supports various customized functions, including dry-running protection, submersible capability, PWM speed control, FG signal output, and locked-rotor protection.
Important notes:
- Not self-priming
- Liquid temperature range: 0–100°C
- Ambient temperature range: -0–70°C
- Inlet and outlet diameter: 1/4 inch
- Dimensions: 84.1 x 46 x 47mm
Whether you're looking for a reliable pump for your air source water heater or other fluid transfer applications, the P4521 is a strong choice that delivers performance, durability, and versatility.
*Images available for reference.*