Joseph Meehan wrote:
Bill Browning wrote:
They say to replace your CO alarms every 5 or 10 years. Why? If
they still test OK, why replace them?
Bill B.

The sensors become less sensitive and the test button does not
test
this.

--
Joseph Meehan

26 + 6 = 1 It's Irish Math

Ok, I can agree on the test button. But mine goes through about 3
minutes of self test on powerup. Is this a sufficient test?

Bob S.