SHIPPING METHOD: Please select ESTIMATE MOTOR FREIGHT as carrier in checkout.
•Sealed, direct-vented system means no drafts, no chimney, no special duct work, or special construction
•"Set Back" Thermostat (Laser- 56/60AT/73/73AT)
•24 Hours a Day Automatic
•4 Cycle Burner Mode
•24 Hours AM/PM Timer (Laser- 56/60AT/73/73AT)
•"Shut-Off' Safety System
•Cool Top Cabinet
•Display Room Temperature, Set Temperature and Error Code
•Automatic Ignitor Cleaning System
•Only 3" Hole in Wall Needed for Flue Pipe
•Whisper Quiet Operation
•Safe: cETL home and mobile home listed.
•Easy to install and operate.
Wall flue pipeNew style wall flue pipe makes venting to dwelling exterior simple and easy.
Completely flexibile, it adjusts to the wall thickness.
A small vent cap is all that shows on the outside.
Part Number: L-73AT
Fuel Type ASTM D3699 K1 KEROSENE
ASTM D396 NO.1 LOW SULFUR FUEL OIL
ASTM D975 ULTRA LOW SULFUR HEATING OIL/ DIESEL
Electric Rating AC 120V, 60Hz
Heating Efficiency 87% (AFUE Rating)
Heating Rating 40,000 BTU/Hr (high)
27,000 BTU/Hr (medium)
15,000 BTU/Hr (low)
Fuel Consumption 0.301 gal/hr (high)
0.203 gal/hr (medium)
0.113 gal/hr (low)
Size (WxHxD) 30" x 27-1/2" x 16-3/4"
Weight 88 lbs
Heating Area * 1670 Sq. Ft. at (0°F)
2000 Sq. Ft. at (20°F)
Max. Length of
Vent pipe System Maximum 10 ft., 3 bends or less
Electrical Rating 120 Volts AC, 60Hz
Preheat: 275 Watts
Burning: 66 Watts
Vent Hole Pipe 2-3/4" - 3" diameter
Type of Tank Exterior Tank
* 0° F Heat Load = 24 BTU/ft²/hr
20° F Heat Load = 20 BTU/ft²/hr
Room size for which this heater is suitable will vary depending on outside temperature, house insulation, window size and other factors.