Spare parts Webasto Aquavent 5000 U4814 Circulation Pump 24V

Details

The Webasto/Valeo Aquavent 5000 (U4814) is a high-performance 24V centrifugal water circulation pump specifically engineered for heavy-duty heating and cooling systems in buses, coaches, and commercial vehicles. This robust pump is designed to provide stable and continuous coolant flow, ensuring efficient thermal regulation even under demanding conditions. It is a standard component for many Webasto, Spheros, and Valeo hydronic heating systems, including the DBW and Thermo series (230, 300, 350), and serves as a direct replacement for various Eberspacher models. Key Technical Specifications: - Voltage: 24V DC (Operating range 20–28V) - Flow Rate: High-capacity delivery of approximately 5,200 liters per hour (23-26 GPM) at 0.2 bar - Power Consumption: 104W (Nominal) - Connection Diameter: Designed for 38mm (1.5 inch) internal diameter coolant hoses - Durability: Rated for an operational lifetime of 5,000 to 10,000 hours with an operating temperature range of -25°C to +130°C - Features: Integrated dry-run and overload protection, smooth start-up control, and a maintenance-free brushless or high-quality brush design depending on specific sub-variant - EAN: 4054037067433Commonly referenced by article numbers SPH11114055A, 43150C, 11113279B, and 9810033A, this pump is essential for maintaining the reliability of auxiliary heating systems in large vehicles. This unit typically comes with a mounting bracket and uses an AMP 6.3 plug for secure electrical connection. Its high efficiency and silent operation make it the industry choice for ensuring passenger comfort through consistent heat distribution.