BPA400 8.5 kilowatt heat output from 1.7 kilowatts power in
BPA600 13.5 kilowatts heat output from 2.6 kilowatts power in
BPA700 17 kilowatts heat output from 3.5 kilowatts power in
BPA800 21 kilowatts heat output from 4.5 kilowatts power in
BPA900 25 kilowatts heat output from 5.5 kilowatts power in