Lennox Hearth L20 DVF-2 manual Specifications Model L20 BF-2, Top View Side View

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SPECIFICATIONS: Model L20 BF-2

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

 

* With the orifice, manifold pressure and input ratings shown

Altitude - Canada 0-4,500 Ft. (0-1372M) No derating

 

above.

 

 

For installation higher than altitudes shown above, reorifice per Gas Codes.

 

 

 

 

 

 

 

 

 

 

 

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.

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Contents Freestanding Vented GAS Fired Room Heaters Retain this Manual for Future Reference775,021M Rev. C, 8/04 Important Warnings / Cautions Table of Contents LOW High Planning Your InstallationLocal and National Code Requirements Tool / Equipment ListQuestions to ASK the Local Building Official Corner Manufactured Mobile Home RequirementsImportant Notes Rear Wall or AlcoveVertical Termination with no Offsets Vertical Termination With 2 OffsetsHorizontal Termination With 1 Offset Direct Vent System Components Model L20 DVF-2 only InstallationSV4MCK Installation Model L20 DVF-2 onlyCony Vent Configuration Requirements Model L20 BF-2 onlyFor vent termination requirements, see Pressure Testing GAS Supply Hookup ALL ModelsSupply Line Size Requirements Door Operation ALL Models GAS Appliance Final Assembly ALL Models Installing LOG SETGlowing Embers Verify that the gas line has been purged of air Installation Check List ALL ModelsLighting and Shutdown Instructions ALL Models For Your Safety Read Before LightingCare and Operation Gas Control KnobsALL Models BREAK-IN Period Combustion Chamber Relief DoorCirculation Blower Operation Canada Parts ListPropane Conversion Procedure Propane ConversionBurner Flame Appearance Reference InformationMaintenance Pilot Flame Appearance Air Shutter AdjustmentALL Models Periodic Check of Pilot and Burner Flames Cycle unit a minimum of 2 timesWiring Diagrams GAS Control and Safety System Wiring DiagramModel L20 BF-2 Model L20 DVF-2 ALL Models Troubleshooting Qualified Technicians OnlyModel L20 BF-2 only Spill Switch Troubleshooting Check List Qualified Technicians OnlySpillage Test Procedure Item # Catalog # Description Where Used Replacement Parts Models L20BF-2 & L20 DVF-2Item # Catalog # Model Description Optional Accessories Models L20BF-2 & L20 DVF-2Top View Side View Specifications Model L20 BF-2Specifications Model L20 DVF-2 SAFETY/ Listing Label Rating Plate SAFETY/ Listing Label Rating Plate Ownership Records Service and Maintenance LOG775,021M REV. C 08/2004

L20 DVF-2, L20 BF-2 specifications

The Lennox Hearth L20 DVF-2 and L20 BF-2 are two innovative gas fireplaces that offer modern heating solutions for homes looking to combine functionality, style, and efficiency. Both models are designed with advanced technology to deliver reliable performance and aesthetics that enhance any living space.

The L20 DVF-2 is a direct vent fireplace that utilizes a sealed combustion system, allowing it to operate efficiently without drawing air from the room. This feature not only improves energy efficiency but also helps maintain indoor air quality since outside air is used for combustion. One of its standout features is the ability to provide a range of heat output options, allowing homeowners to adjust the warmth to their preference. The fireplace comes with a convenient remote control, enabling effortless operation from anywhere in the room.

The L20 BF-2, on the other hand, is a conventional vent fireplace, offering a different installation option ideal for various home designs. Similar to the DVF-2, the BF-2 model provides a wide range of heat output, ensuring comfort in chilly conditions. It features a striking design with a large viewing area, allowing for a mesmerizing flame display that serves as a focal point in any room.

Both models are equipped with Lennox's patented Powerflow technology, which optimizes heat distribution throughout the space. This technology not only enhances comfort but also ensures that energy is used efficiently. The fireplaces also feature easy-to-use controls and customizable flame height settings, giving users precise control over their heating experience.

In terms of design, the L20 DVF-2 and L20 BF-2 come in various finishes and styles, allowing them to seamlessly blend with different home aesthetics. Their sleek and contemporary appearance complements modern interiors, while still fitting into more traditional décor in subtle ways.

Overall, the Lennox Hearth L20 DVF-2 and L20 BF-2 provide effective heating solutions paired with advanced technologies and stylish designs. Whether a homeowner desires a direct vent option or a traditional vent fireplace, both models deliver energy-efficient performance, exceptional heat distribution, and a stunning flame display that can enhance the ambiance of any living space. These fireplaces are not just heating appliances; they are an investment into comfort and elegance for years to come.