Title: Great product! Could save your life!
Product review: We have had one for several years and on one occasion after we had some remodeling done, which involved furnace work, it did show high CO (on its readout with alarm) which led us to get the furnace shut down and repaired. That original monitor recently failed and I immediately replaced with a new one. Something everyone should have and the price is excellent compared to stores even with the delivery included.
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