**Please call us before placing an order to check the availability of products to avoid unwanted delays/cancellations. The BWT Aquameter HF 3/8 is a high-flow water monitoring accessory designed for BWT water filtration systems. It installs directly onto the BWT filter head and continuously measures the volume of water passing through the filter cartridge. The integrated LCD display allows users to program the system according to local water hardness and filter capacity, enabling accurate tracking of remaining filter life. Once configured, the Aquameter automatically counts down the available filtration capacity and alerts the user when the filter cartridge should be replaced. The HF (High Flow) version is specifically engineered for demanding commercial applications with higher water consumption rates, such as multi-group espresso machines, commercial kitchens, vending systems, and high-volume beverage equipment. Key Features - High-flow design for commercial applications- LCD display with real-time monitoring- Tracks filter capacity and water usage- Programmable according to water hardness- Compatible with BWT Bestmax, Besttaste, and related filter cartridges- 3/8" connection size- Battery powered (CR2032 included)- Suitable for flow rates approximately 100–700 L/h