Installation Manuals and Instructions, FAQs and Advice

The Watchman SENSiT USB Receiver only works on tanks fitted with the Watchman Sonic Advanced product. It will not work with the Watchman Sonic or Watchman Alarm tank monitors. If you do not have Watchman Sonic Advanced and would like to access SENSiT features, you can purchase the full SESNiT full monitor kit.

The Dip Switches allow the unit to give an accurate reading in relation to the tank size. Please consult the user manual.

Please enable Dip Switch 2 for EcoSafe Slimline tanks or other narrow tanks with lack of 15cm clearance (pipe not required). 

Visit your local wholesale supplier or you can buy your Watchman Sonic Advanced online.

The part number of your unit can be found on the back of your receiver.

Every Watchman Sonic Advanced can be upgraded to SENSiT. You can upgrade to Watchman SENSiT by purchasing our Watchman SENSiT USB kit.

Dip 1 is the Sudden Drop. Sudden Drop is the alarm which will be set off on the receiver unit. This alarm will only go off if the rate in your tank drops more than 1.5cm per hour.

Dip 2 is the Wave-Guide Mode. Waveguide mode (and/or pipe) is required for specific installation setups. Please enable for EcoSafe Slimline tanks or other narrow tanks with lack of 15cm clearance (pipe not required).

All notification meanings can be found in this video. Notification symbols and alerts may differ depending on part number.

The bar graph represents the level of liquid in your tank. Each bar represents 10% of the fluid height in the inner tank (not volume). Levels will not change until sufficient fuel has been used to drop to the next 10% of the inner tank.

Notification symbols and alerts may differ depending on part number. Please see respective manuals for more information. Please see respective manuals video below for more information.