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No more guessing your oil level!
The Watchman Sonic continuously measures the level of oil in your tank, and sends it wirelessly to a neat receiver unit in your house. Simple and convenient!
With all of the features of the standard WatchmanSonic PLUS the additional benefit of an alarm!
Now you can view your oil level using your computer, tablet or smartphone - at any time of the day or night.
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Are you sure you want Red Diesel?
The most commonly used home heating oil fuel. Also known as Kero28 or 28 second burning oil.
Primarily used in agricultural and other commercial sectors. It is also known as Gas Oil (Class A2) or 35 second burning oil.
Rated EXCELLENT based on 34,509
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BoilerJuice is a wholly owned subsidiary of Welsummer Limited which is entirely independent of any heating oil company.
Registered Office: Suite 1 Clare Hall St. Ives Business Park, Parsons Green, St. Ives, Cambridgeshire, England, PE27 4WY. Registered in England (Company No: 5345637). © 2004-2018 BoilerJuice Ltd. All rights reserved.