Buck Stove 22" Model 21ZC Zero Clearance Wood Burning Stove Insert with Door 28,900 BTUOVERVIEW Introducing the 21ZC the ultimate choice for zone heating or cozy living spaces. With a heating range spanning from 800 to 1800 square feet and an impressive 11,079 to 28,900 BTUs per hour, it's tailor made for smaller homes or quaint vacation cabins. Perfect for your new construction or renovation endeavors, the Model 21 ZC eliminates the need for a costly masonry fireplace while delivering all the warmth and efficiency synonymous with Buck