The CR-2032 battery is to be used in the 2nd generation TST cap sensor and the 3rd generation TST Flow Thru sensor. Be sure to look at the pictures in this listing to make sure you are choosing the correct battery for your sensor type. If you need help determining which battery you need then you can call us at 866-324-7915. We recommend changing batteries and O-rings in your TST sensors yearly.
The CR1632 batteries last 12-18 months of use. We recommend changing all batteries and orings every year to avoid issues while driving due to a low battery.
When you change the batteries in your sensor, we recommend changing the orings out as well. We recommend changing all batteries and orings every year.