In 2011 we started with a TST brand 507 system with 6 flow through sensors. Last year we upgraded to a new TST system with the color monitor and an additional 6 non-flow through sensors (we utilize 12 sensors on our current set up). My original sensors work just as good as my new ones and all of them are easy to change the batteries on. For quality and durability TST is a hard one to beat IMHO.
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Full Time in 2017 Newmar Ventana 4369
pulling a 24' enclosed (Mini Cooper/Harley/Kayak)
(traded 2014 Thor Challenger)
US Army 70-73 Retired LEO
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