Description The Sonic Watchman consists of a gray transmitter that is fitted to the top of the tank and monitors the heating oil levels and transmits this to a receiver plugged in the home or office. When the heating oil levels drop below 10% the fuel dispensing pump symbol is displayed on the receiver as a reminder to the user that more oil needs to be ordered and ensuring that the user does not run out. Key Features and Benefits: No wiring required Easy installation – one 32mm hole in tank Plugs into any 13amp socket Up to 200 metres line of sight range When level of oil gets below 10% the fuel dispensing pump symbol appears, indicating to the householder that it is time to order oil When level of oil gets below 5% then a LED starts to flash indicating to the householder that it is critical that they order oil Fuel level visible from indoor comfort, convenience and security Comes with instructions how to install Warranty 1 year
