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Title: Purchased as replacement
Review: This item was a direct replacement for one in our RV that was about 9 years old according to date-stamp on back. After some research we learned that these units, and the propane alarm, should be replaced after 5 years. The propane alarm had failed recently, so we decided to replace both units. All parts were included. Instructions were very good and crimp connections were used to connect the 12-volt DC power. Tests and works fine.
