509-1 Optimum Stove Upper Convection Blower with Cord. Easy Replacement Install. Plugs in under stove. Ready for install. This motor is common on a lot of stoves and is well made. That is why we chose it. We want to have a motor that keeps working for a long time. Can be speed controlled.
The other motor on the stove is the combustion motor. It handles your exhaust to the outside. Other stoves we make do not require exhaust fans. https://flameinnovation.com/product/caboose-tiny-wood-stove/
Great article on Centrifugal fans can be read here. https://en.wikipedia.org/wiki/Centrifugal_fan
Fans help distribute the heat in an area a little better and help your stove be more efficient. You can add fans to stoves if they have an area made for one as an option. Otherwise, don't add a fan. Stoves are hot and they have to be put in the right spot on the stove to be efficient. Some fans start turning when they bracket they mount to gets hot. They are designed to work this way. So, there is your other option.
For example, The Optimum Stove Convection Blower may work on your old and tired stove as a replacement. In other words, if you find us during a search for blower motors then give us a call. In short, we want to help you find a solution. Above all, an affordable one.