The Apollo Ultrasonic from Dunraven Systems is the original content gauge and is suitable for most heating oil tanks (up to three metres). The gauge monitors the oil levels from inside the tank and transmits the readings via a wireless receiver; which has an easy to read LCD display and includes a useful low-level warning alert to reduce the risk of running out of oil. No specialist tools or wiring needed for installation.
Appollo Ultrasonic Gauge
A clever and convenient content gauge suitable for most heating oil tanks irrespective of manufacturer.