1. Introducció
The BWT Aquameter HF 3/8" is a digital water meter designed for high-flow water systems, including main water lines, commercial kitchens, and multi-machine setups. It accurately tracks water consumption, displaying remaining filter capacity on an integrated LCD screen to facilitate timely filter replacements. This battery-powered unit (CR2032) offers flexible installation without the need for external wiring. It is compatible with BWT Bestmax and Besttaste filters, ensuring consistent water quality and equipment protection.
2. Informació de seguretat
- Llegiu atentament totes les instruccions abans de la instal·lació i el funcionament.
- Ensure all connections are secure and leak-free to prevent water damage.
- Do not expose the Aquameter to extreme temperatures or direct sunlight.
- Only use the specified CR2032 battery for power.
- Si no esteu segurs, la instal·lació l'ha de dur a terme personal qualificat.
- Observe the flow direction arrow on the sensor during installation.
3. Contingut del paquet
Verifiqueu que tots els components siguin presents al paquet:
- BWT Aquameter HF display unit
- Flow sensor (3/8" connections)
- Cable de connexió
- CR2032 battery (may be pre-installed or separate)
- Rentadores de segellat

Image 3.1: BWT Aquameter HF components.
4. Producte acabatview
The BWT Aquameter HF consists of two main parts: the display unit and the flow sensor.
4.1 Unitat de visualització
The display unit features an LCD screen for showing remaining capacity and two control buttons:
- Botó PROG: Used for entering programming mode and adjusting settings.
- Botó de reset: Used to reset the meter after a filter change or to confirm settings. A long press (min 3 sec) is typically required for reset.
4.2 Sensor de flux
The flow sensor measures the water passing through it. It has 3/8" connections and an arrow indicating the correct direction of water flow. The sensor connects to the display unit via a cable.

Image 4.1: BWT Aquameter HF display unit and flow sensor.
5. Configuració
5.1 Instal·lació de la bateria
- Localitzeu el compartiment de la bateria a la part posterior de la unitat de visualització.
- Obriu la coberta del compartiment.
- Inseriu una pila CR2032, assegurant-vos de la polaritat correcta (+/-).
- Tanqueu bé la tapa del compartiment de la bateria.
5.2 Flow Sensor Installation
- Identify the water line where the Aquameter will be installed. Ensure the water supply is turned off before proceeding.
- Cut the water line and prepare the 3/8" connections.
- Insert the sealing washers into the sensor connections.
- Connect the flow sensor into the water line, ensuring the arrow on the sensor points in the direction of water flow. Tighten connections securely to prevent leaks.
- Connect the cable from the flow sensor to the designated port on the display unit.
5.3 Muntatge de la unitat de visualització
The display unit can be mounted on a wall or cabinet using appropriate fasteners (not included). Choose a location that is easily accessible for viewing i programació.

Imatge 5.1: Ex.ample installation of the Aquameter display unit.

Image 5.2: Aquameter and filter installed in an under-sink setup.
5.4 Programació inicial
After installation, program the Aquameter according to your specific filter and water hardness settings. Refer to your filter's documentation for its rated capacity.
- Manteniu premut el botó PROG button until the display enters programming mode.
- Utilitza el PROG button to cycle through settings (e.g., total filter capacity in liters).
- Utilitza el RESET button to adjust the value for the selected setting.
- Repeat for all necessary settings, such as water hardness if your filter requires this input.
- Once all settings are configured, press and hold the PROG button again to save and exit programming mode.
6. Funcionament
6.1 Lectura de la pantalla
The LCD display shows the remaining capacity of your water filter in liters. As water flows through the sensor, this value will decrease. When the capacity reaches a low level or zero, it indicates that a filter change is due.
6.2 Resetting the Meter
After replacing your water filter, the Aquameter must be reset to its full capacity. To do this:
- Ensure the new filter is installed correctly.
- Manteniu premut el botó RESET botó durant almenys 3 segons.
- The display will show the full programmed capacity, indicating a successful reset.
7. Manteniment
7.1 Substitució del filtre
Replace your water filter cartridge when the Aquameter indicates that the remaining capacity is low or depleted. Follow the specific instructions provided with your BWT filter cartridge for replacement procedures.
7.2 Substitució de la bateria
When the display becomes dim or stops functioning, it is time to replace the CR2032 battery. Follow the battery installation steps in Section 5.1.
7.3 Neteja
Wipe the exterior of the display unit with a soft, damp tela. No utilitzeu netejadors abrasius ni dissolvents.
8. Solució De Problemes
- La pantalla està en blanc: Check or replace the CR2032 battery. Ensure the battery is inserted with correct polarity.
- No flow reading: Verify that the flow sensor is installed correctly with the arrow pointing in the direction of water flow. Check for any blockages in the water line or sensor. Ensure the sensor cable is securely connected to the display unit.
- Lectures incorrectes: Re-check the programming settings (filter capacity, water hardness) as described in Section 5.4. Ensure the correct filter type is being used for the programmed settings.
- Fuites a les connexions: Turn off water supply immediately. Check all connections for proper tightening and ensure sealing washers are correctly seated and not damaged.
9. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | 812495 |
| Material | Acrilonitril butadiè estirè (ABS) |
| Product Dimensions (Display Unit) | 2.4 "P x 4.8" W x 4.1" H |
| Pes de l'article | 7.2 unces |
| Certificació de proves externes | NSF |
| Caudal | 100–700 liters/hour (l/h) |
| Mida de la connexió | 3/8" |
| Tipus de bateria | CR2032 |
10. Garantia
For specific warranty details regarding your BWT Aquameter HF, please refer to the warranty information provided with your purchase documentation or contact your authorized BWT dealer. Keep your proof of purchase for warranty claims.
11. Suport
Should you require technical assistance, have questions about installation, or need further information about BWT products, please visit the official BWT website or contact your local BWT distributor. You can find more information at www.bwt.com.





