These units actually measure the flow of water and let you know the exact qty you have used and have remaining.

Installation is super simple. The sender is fitted to the water line and there is nothing fitted to the tank. This solves the problem of having to remove the tank, drill holes, remove filings, seal sender holes, ongoing cleaning/maintenance, etc.

Ideal if you have multiple tanks or add more tanks at any stage you can simply change the programmed amount to suit your new capacity.

• See your daily usage and how much water is left in your tank accurately.
• Super Easy installation - nothing fitted or drilled to the tank.
• S enders and electronics are compatible with all RV, Caravan and Marine water pumps.
• Also will work with gravity fed systems​
• Each time you refill the tank, reset the display and it will countdown to the max capacity (stored on first use) showing you exactly the number  of litres remaining.
• One unit can be used for multiple tanks.
• Suit's any size tank.
• More accurate then traditional full, half, empty type displays.
• Can be used in conjunction with your current system to accurately know your capacity and usage.

normal use the display is off until water is running and turns off after 10 seconds after water stops running.

Includes: 1.4m connector Lead

Does not include: Hose connectors, see Connecting Sender Unit (pictures) noting sender leads cannot be cut and joined as this will void your warranty - Extension leads must be used