Mopeka Check Sensors allow you to monitor the level of propane using the free Mopeka Check app on your smartphone or tablet without the need for a liquid level gauge installed inside the tank.

The Pro Sensor combines all the best technology of Mopeka's ultrasonic sensing for the best sensor performance ever.

This version works on all vertical aluminum LPG tanks up to 100 lbs.

This kit is especially made for aluminum tanks.  It includes the retaining collar that sticks to the tank bottom with pre-applied permanent adhesive. All preparation materials included.

How to read level via Bluetooth: Free Mopeka Check APP on your smartphone or tablet; Or Mopeka Check LED Display. Also compatible with Mopeka Wifi Bridge, allowing remote reading of sensor using APP. Power: CR2032 Battery This package includes 1 Pro sensor, collar set with preinstalled adhesive, adhesive prep materials, and also includes 4 spacers that clip to foot ring to improve wireless range and provide adequate space as some aluminum cylinders have little to no space under tank.