The life expectancy of the unit is around 12,000 hours or better.
Burning seasons, burning days and burning hours per day vary with consumers around the country. However, consumers have reported that after 10 burning seasons, the catalytic combustor in their stove was still working just fine.
It is recommended the unit be changed out every 6 years for maximum efficiency of the stove.
If you need a replacement catalytic combustor for your stove, you will find the right one for any model at: appliedceramics.com