SF-160 Coal & Wood Boiler Downloads

Sep 29, 2015

UL Approvals Achieved!! SF170/SF270


UL officially aproved the newly designed SF170/SF270 boilers. These units replace the Harman SF160 and SF260 boilers.

UL officially aproved the newly designed SF170/SF270 boilers. These units replace the Harman SF160 and SF260 boilers. They have undergone stringent safety testing and are in production! For more information, see our pages describing these units at:

SF-170 Coal BoilerSF270 Hydronic Heater (right-front)

SF-270 Coal Boiler