Lennox Hearth L20 BF-2 - Manual (Page 27)

SPECIFICATIONS: Model L20 BF-2
PAGE 27
Flue Size 4” - Top Vent
Height Overall
29”
Height to Flue
Outlet
28 ¾”
Width 23”
Depth
15”
Fuel
Natural Gas (standard)
(or) LP Gas (convertible).
Gas inlet 3/8” NPT-Male / Flex Line
(or) remove flex, 3/8” NPT–Female Flare.
Performance
Variable Flame Control.
Features High Efficiency Heat Exchanger.
Natural Convection & Radiant Heat.
Standing Pilot / Operates During Power
Outages. Remote Control & Wall
Thermostat Capable.
Technical
Honeywell Combination Gas Control
Features Valve, Millivolt - VS8520E. Safety Shut
Down Sensor (Spill Switch).
Pan Burner with Tuned Ports.
Radiant & Fan Assisted Convection
Heat.
Safety Test
Tested and certified by CSA to ANSI standards.
Z21.88a-2003
• CSA 2.33a - M98-2003. Vented
Gas Fireplace Heater
Heat Input
17,000 to 26,000 BTU’s (Nat. Gas)
17,000 to 24,000 BTU’s (Propane)
Ship Weight
185 lb.’s
Dimensions shown are approximations only (+ / - ¼”)
Top View
Side View
SPECIFICATIONS
GAS TYPE NATURAL GAS PROPANE (LP) CLEARANCES TO COMBUSTIBLES
Orifice Size #40 -.098 #53-.0595” Back Wall Min. 2 In. / 51 mm
Minimum Supply Pressure 4.5” WC 10.5” WC Side Wall Min. 12 In. / 305 mm
Maximum Supply Pressure 10.5” WC 13.0” WC Corner (45
° angle)s
HIGH SETTING stove corner to wall, min. 2 In. / 51 mm
Manifold Pressure 3.5” WC 10.0” WC Ceiling Height Minimum 65 In. / 1651 mm
Input BTU/HR 26,000 24,000 Alcove Min. Height 65 In. / 1651 mm
LOW SETTING Alcove Min. width 47 In. / 1194 mm
Mainfold Pressure 1.8” WC 6.6” WC Alcove - Max. Depth into
Input BTU / HR 17,000 17,000 stove face to alcove opening 24 In. / 610 mm
♦ Altitude - U.S.A. 0-4,500 Ft. (0-1372M) No derating
♦ Altitude - Canada 0-4,500 Ft. (0-1372M) No derating
For installation higher than altitudes shown above, reorifice per Gas Codes.
* With the orifice, manifold pressure and input ratings shown
above.
This Appliance is equipped at the factory for the use with Natural Gas or Propane (LP). Appliances using propane must be field conversed using
the LP Conversion Kit supplied with appliance.