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Heating Specifications
Fuel Burn Rate* (lowest setting)
1.5 lbs./hr.
Hopper Capacity
45 lbs.
Dimensions
Height
30.50 po (775 mm)
Width
24.25 po (616 mm)
Depth
26.19 po (665 mm)
Electrical Specifications
Electrical Rating
115-120 volts, 60 HZ, 3.0 Amps
Watts (operational)
180W
Watts (igniter running) 346W
This manual describes the installation and operation of the United States Stove Company, 5660 pellet stove. This
heater meets the 2020 U.S. Environmental Protection Agency’s crib wood emission limits for wood-heaters sold
after May 15, 2020. Under specific EPA test conditions burning Douglas Fir dimensional lumber this heater has
been shown to deliver heat at a rate of 11,155 to 24,361 btu/hr. This heater achieved a particulate emissions rate
of 1.9 g/hr and an efficiency of 62%.
FUEL CONSIDERATIONS
Your pellet stove is designed and tested with premium grade pellets that comply with Pellet Fuels Institute (PFI)
standards. You can only burn premium grade pellets in this pellet heater (minimum of 40 lbs density per cubic
feet, 1/4” to 5/16” diameter, length no greater than 1.5”, not less than 8,200 BTU/lb, moisture under 8% by weight,
ash under 1% by weight, and salt under 300 parts per million). Pellets that are soft, contain excessive amounts
of loose sawdust, have been, or are wet, will result in reduced performance and may cause damage to your
heater. Store your pellets in a dry place. DO NOT store the fuel within the installation clearances of the unit or
within the space required for refuelling and ash removal. Doing so could result in a house fire. Do not over-fire or
use volatile fuels or combustibles, doing so may cause a personal and property damage hazards.
SAFETY AND EPA COMPLIANCE
Your pellet stove has been approved for installation in the USA and Canada. It may also be installed in a
manufactured or mobile home. Your stove is Certified to ASTM E1509-12 (2017), and Certified to ULC S627, 2000
* Pellet size may effect the actual rate of fuel feed and burn times. Fuel feed rates may vary by as much as 20%.
Use PFI listed fuel for best results.
Specifications
WARNING:
It is against federal regulations to operate this wood heater in a manner inconsistent with the
operating instructions in the owner’s manual.