Sterling Model SF

Model "SF"

The model "SF" is the latest addition to Sterling's line of energy efficient gas-fired unit heaters. The "SF" is a separated combustion version of our popular model "RF" propeller type unit heater. Designed to be installed in mildly hostile environments where dusty, dirty, and mildly corrosives exist, or high humidity or slightly negative pressures prevail. The "SF is also certified for use in residential garage applications.

Standard Features:
·   Separated Combustion design
·   CSA certified for 81% efficiencies
·   4 sizes ranging from 30 to 75 MBH
·   20 gauge aluminized steel tubular heat exchangers
·   Inshot type burner
·   Hot surface pilot ignition system
·   Power vented
·   Easy access control panel
·   Terminal strip low voltage wiring
·   81% thermal efficiency
·   5 year warranty
·   Factory fire tested
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