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FS140: Indoor Wood & Oil Hot Air Furnace

Made in Canada

The Benjamin Heating FS140 is our combination Wood & Oil Hot Air Furnace to heat your home all winter long. Switch seamlessly between the two while ensuring that you are in charge of how you heat your home.

The Benjamin Heating Difference

  • Utilizing the concept of Aerodynamic flow in the design of the 140 has resulted in the efficiencies of an oil furnace combined with the comfort of wood.
  • Up to 85.4% seasonal efficiency on oil. (E.E.V.)
  • Oil and wood in completely separate chambers.
  • Wood on top for ease of loading.
  • Compact size utilizes less of your valuable floor space and makes the unit easy to install.
  • Oval firebox 18"h x 21"w x 24" d.
  • Choice of Beckett or Riello high-efficiency Oil Burners.
  • Switches from wood to oil automatically.
  • Oval firebox eliminates the need for firebrick.
  • FS140 does not sacrifice oil efficiency to burn wood.
  • With proper design and installation, unique one piece construction will operate by gravity flow during a power interruption.
  • 6 Year Limited Warranty

FS140: Indoor Wood & Oil Hot Air Furnace

Specifications

Certified to: CSA B140.4, CAN/CSA B366.1, CSA B212 (EEV), UL391 and UL 727

FS140 Specifications

Shipping Weight

585 lbs

Overall Dimensions

53¼" L x 26" W x 47¼" H

Firebox Size

U.S. 41 Gallons

Fire Door Size

12" x 14" Cast Iron Door

Wood Length

23" Long Log

Filter Size

20" x 24" x 1"

Warm Air Plenum

24" x 30"

Return Air Plenum

24" x 18"

Breech Pipe

7" I.D. - 41 ¼" Height

Blower Motor

1/3 HP Motor / G10 blower / 1300 CFM @ 0.2" S.P.

Typical Add-on Installation Kit Included with Boiler

2 Thermostats

1 Fan limit c/w Bracket

1 Damper Motor

1 Burner

1 Switching Relay/Transformer

1 Blocked Flue Sensor

Primary Control Kit Pre-wired

Riello Burners Burner Insertion: F5 4-1/8"

Model
Input US GPH
Nozzle Size
Pump PSIG
Riello Model
TBLTR
Air (INITIAL)
Output BTU
Efficiency Oil
FS140R
0.90
.75 X 80°B
145
F5
1.5
3.5
107,000
85.4
FS40R
1.02
.85 X 80°B
145
F5
3.3
3.8
102,700
84.9

Beckett Burners Burner Insertion: 4"

Model
Input US GPH
Nozzle Size
Pump PSIF
Beckett Model
Air (INITIAL)
Output BTU
Efficiency
FS140B
0.85
.75 X 80°B
140
AFG
10 2
106,600
84.9
FS140B
1.00
.85 X 80°B
140
AFG
10 3
118,700
85.1