White Mountain Hearth Kennesaw II Vent-Free Gas Logs
Empire White Mountain Hearth Kennesaw II Refractory Vent-Free Gas Log Set – 18", 24" & 30"
The Empire White Mountain Hearth Kennesaw II Refractory Log Set is a six-piece decorative gas-log set designed for compatible HearthRite vent-free burner systems. Available in 18-inch, 24-inch, and 30-inch sizes, the hand-painted concrete logs create a traditional wood-fire appearance while allowing the burner, fuel type, and control configuration to be selected separately.
Brand
White Mountain Hearth
Series
Kennesaw II
Available Sizes
18", 24", 30"
Log Count
6 Logs
Construction
Hand-Painted Concrete
Application
Vent-Free
Required Burner
HearthRite
Warranty
1-Year One-Time Replacement
Important: Compatible HearthRite Burner Required
The Kennesaw II is a decorative refractory log set only. A compatible HearthRite vent-free burner is required for operation and is selected separately.
30" log-set compatibility: The HLS30R2 30-inch log set is specified by Empire to fit a 24-inch burner. Do not assume the log-set size and burner size must always match.
Realistic Refractory Gas Logs for HearthRite Vent-Free Burners
The Kennesaw II is designed for homeowners who want a traditional wood-log appearance while using a compatible vent-free gas burner system.
Each set includes six richly detailed, hand-painted concrete logs. The refractory construction provides a substantial, masonry-like appearance and is designed to work with the approved flame pattern and placement requirements of the compatible HearthRite burner.
Because the decorative logs and burner system are separate components, correct selection requires checking the log-set model, fireplace dimensions, burner size, fuel type, and control configuration before ordering.
Kennesaw II at a Glance
Manufacturer
Empire Comfort Systems
Brand / Line
White Mountain Hearth
Product Type
Refractory Gas Log Set
Available Models
HLS18R2 / HLS24R2 / HLS30R2
Fuel
Determined by Burner
Controls
Manual / Thermostat Depending on Burner
Is the Kennesaw II Right for Your Fireplace?
Best For
- Homeowners wanting a traditional six-log refractory appearance.
- Compatible HearthRite vent-free burner systems.
- Fireboxes that meet the required front width, rear width, depth, and height.
- Natural-gas or propane burner configurations.
- Manual-control HearthRite burner systems.
- Thermostat-control HearthRite burner systems.
- Supplemental heating applications installed according to manufacturer requirements.
Do Not Choose This Log Set If
- You need a complete burner-and-log package.
- Your firebox does not meet the required dimensions.
- You intend to choose by nominal log length alone.
- You are assuming a 30" log set requires a 30" burner.
- You cannot provide adequate combustion and ventilation air.
- You intend to mix logs or use an unapproved burner.
- You need bedroom or bathroom installation.
Choose the Correct Kennesaw II Size
The sizes below refer to the nominal log-set size. The listed fireplace measurements are minimum firebox requirements, not the physical dimensions of the individual logs.
| Model |
Log Set Size |
Logs |
Ship Weight |
Minimum Front Width |
Minimum Rear Width |
Minimum Depth |
Minimum Height |
| HLS18R2 |
18" |
6 |
22 lb |
28" |
20" |
14" |
24" |
| HLS24R2 |
24" |
6 |
27 lb |
33" |
22" |
14" |
24" |
| HLS30R2 |
30" |
6 |
27 lb |
33" |
22" |
14" |
24" |
Measure all four dimensions: Front width alone does not establish compatibility. Verify the rear width, depth, and height as well.
18" HLS18R2 Fireplace Requirements
24" HLS24R2 Fireplace Requirements
30" HLS30R2 Fireplace Requirements
Important: The HLS30R2 is a 30" log set but is specified by Empire to fit a 24" HearthRite burner.
Required HearthRite Vent-Free Burner
The Kennesaw II logs require a compatible HearthRite vent-free burner. Manufacturer documentation identifies both manual and thermostat control configurations in 18" and 24" burner sizes.
| Burner Model |
Burner Size |
Control Type |
BTU Input |
Fuel Configurations |
| HVF2M18 |
18" |
Manual |
30,000 BTU |
Natural Gas / Propane |
| HVF2R18 |
18" |
Thermostat |
30,000 BTU |
Natural Gas / Propane |
| HVF2M24 |
24" |
Manual |
32,000 BTU |
Natural Gas / Propane |
| HVF2R24 |
24" |
Thermostat |
32,000 BTU |
Natural Gas / Propane |
Fuel selection: Choose the burner configuration that matches the intended natural gas or propane supply.
Manual vs. Thermostat Burner Controls
Manual-Control Burners
- HVF2M18
- HVF2M24
- Manual burner operation
- Available in natural-gas and propane configurations
Thermostat-Control Burners
- HVF2R18
- HVF2R24
- Thermostat-control configuration
- Available in natural-gas and propane configurations
Oxygen Depletion Sensor Safety System
The Oxygen Depletion Sensor (ODS) belongs to the compatible HearthRite burner system, not the decorative Kennesaw II log set itself.
The HearthRite ODS safety pilot is designed to shut the heater off if there is insufficient fresh air and to shut off the main burner if the pilot flame goes out.
System distinction: The Kennesaw II logs do not themselves contain the burner, pilot, ODS assembly, gas valve, or control system.
Vent-Free Operation & Combustion Air
The compatible HearthRite heater is an unvented gas-fired heater that uses air from the room in which it is installed.
Adequate combustion and ventilation air must be provided according to the manufacturer instructions and applicable codes.
Vent-free does not mean air-free. Do not install the heater in a space that cannot satisfy the required combustion and ventilation-air provisions.
Heating role: Manufacturer information identifies the HearthRite heater as a supplemental heating source.
Installation & Operating Requirements
- Installation and service must be performed by qualified personnel.
- Do not install the heater in a bedroom or bathroom.
- Do not burn solid fuel while the vent-free heater is installed.
- Fireplace glass doors must be fully open during heater operation.
- Do not allow fans to blow directly into the fireplace.
- Do not use unapproved blower inserts, heat exchangers, or accessories.
- A fireplace screen must be in place during operation unless combustion air is provided by another approved method.
- Maintain all required combustible clearances.
- Provide adequate fresh air for combustion and ventilation.
Fireplace Clearance Considerations
The HearthRite installation manual includes specific requirements for walls, ceilings, mantels, floors, and other combustible materials.
Because the final required clearances depend on the exact fireplace and burner configuration, use the manufacturer's installation manual and qualified installation personnel to verify the completed installation.
Do not rely on one generic clearance number. Final side, ceiling, mantel, and floor clearances must follow the applicable manufacturer diagrams.
Correct Log Placement Matters
The six Kennesaw II logs must be installed in the exact approved arrangement for the compatible burner system.
Correct Positioning
Install every log in the manufacturer-specified location.
Do Not Mix Logs
Use only the correct components for the selected Kennesaw II set.
Flame Pattern
Incorrect placement can alter flame behavior.
Soot Prevention
Improper log placement can contribute to excessive soot.
What's Included?
Included
- Six-piece Kennesaw II refractory log set
- Selected HLS18R2, HLS24R2, or HLS30R2 size
Required Separately
- Compatible HearthRite vent-free burner
- Correct natural-gas or propane burner configuration
- Fireplace or firebox meeting the required dimensions
- Installation components required by the burner and fireplace
Complete Kennesaw II Specifications
| Manufacturer |
Empire Comfort Systems |
| Brand / Line |
White Mountain Hearth |
| Series |
Kennesaw II |
| Product Type |
Refractory Gas Log Set |
| Application |
Vent-Free |
| Log Construction |
Hand-Painted Concrete |
| Number of Logs |
6 |
| Available Sizes |
18", 24", 30" |
| 18" Model |
HLS18R2 |
| 24" Model |
HLS24R2 |
| 30" Model |
HLS30R2 |
| 18" Ship Weight |
22 lb |
| 24" Ship Weight |
27 lb |
| 30" Ship Weight |
27 lb |
| Required Component |
Compatible HearthRite Vent-Free Burner |
| Documented Burner Sizes |
18", 24" |
| Documented Controls |
Manual / Thermostat |
| Documented Fuel Configurations |
Natural Gas / Propane |
| 18" Burner Input |
30,000 BTU |
| 24" Burner Input |
32,000 BTU |
| Minimum Firebox Depth |
14" |
| HLS18R2 Minimum Firebox |
28" Front W × 20" Rear W × 14" D × 24" H |
| HLS24R2 Minimum Firebox |
33" Front W × 22" Rear W × 14" D × 24" H |
| HLS30R2 Minimum Firebox |
33" Front W × 22" Rear W × 14" D × 24" H |
| HLS30R2 Burner Compatibility |
Specified to Fit a 24" Burner |
| ODS Safety System |
Part of Compatible HearthRite Burner |
| Heating Application |
Supplemental Heating |
| Warranty |
One-Year One-Time Replacement Warranty on All Parts |
Manufacturer specifications are subject to change without notice. Actual flame size, shape, and color may vary from product photography.
Flame Authority Expert Recommendation
Choose the Empire White Mountain Hearth Kennesaw II when you want a traditional six-piece refractory gas-log appearance and have already confirmed the correct HearthRite vent-free burner and fireplace dimensions.
The most important purchasing decision is system compatibility. Confirm the selected HLS18R2, HLS24R2, or HLS30R2 log set, fireplace front and rear width, 14" minimum depth, 24" minimum height, burner size, control type, and natural-gas or propane configuration before ordering.
Pay particular attention to the HLS30R2: although it is a 30" decorative log set, Empire specifies it for a 24" burner.
Official Manufacturer Resources
Kennesaw II Refractory Log Set & Burner Brochure
Manufacturer log-set models, sizing, fireplace dimensions, burner configurations, BTU input, features, and warranty information.
HearthRite Vent-Free Burner Installation Manual
Manufacturer installation, combustion-air, clearance, burner, gas-supply, operation, log-placement, maintenance, and safety requirements.
Kennesaw II FAQs
Does the Kennesaw II log set include the burner?
No. The Kennesaw II includes the six-piece refractory log set only. A compatible HearthRite vent-free burner is required separately.
What sizes are available?
The Kennesaw II is available as the 18" HLS18R2, 24" HLS24R2, and 30" HLS30R2.
What size firebox does the 18" HLS18R2 require?
The HLS18R2 requires at least 28" front width × 20" rear width × 14" depth × 24" height.
What size firebox does the 24" HLS24R2 require?
The HLS24R2 requires at least 33" front width × 22" rear width × 14" depth × 24" height.
What size firebox does the 30" HLS30R2 require?
The HLS30R2 requires at least 33" front width × 22" rear width × 14" depth × 24" height.
Does the 30" HLS30R2 require a 30" burner?
No. Empire specifies the 30" HLS30R2 for use with a 24" burner.
Can Kennesaw II be used with natural gas or propane?
Yes, through the compatible HearthRite burner family. Select the exact burner configuration that matches the intended natural-gas or propane supply.
Does the Kennesaw II log set contain the ODS safety system?
No. The Oxygen Depletion Sensor is part of the compatible HearthRite burner system, not the decorative log set.
What does the HearthRite ODS do?
The ODS safety pilot is designed to shut the heater off if there is insufficient fresh air and to shut off the main burner if the pilot flame goes out.
Can the HearthRite vent-free heater be installed in a bedroom or bathroom?
No. The manufacturer states that the heater must not be installed in a bedroom or bathroom.
Can wood be burned while the vent-free system is installed?
No. Do not burn solid fuel in the fireplace while the vent-free heater is installed.
Do fireplace glass doors need to stay open?
Yes. Fireplace glass doors must be fully open while the heater is operating.
Is this intended as a primary heat source?
No. The manufacturer identifies the HearthRite heater as a supplemental heating source.
Who should install the system?
The manufacturer states that installation and service must be performed by qualified personnel according to the installation manual and applicable codes.
What warranty applies?
The supplied product literature states that all parts carry a one-year one-time replacement warranty.
Before You Order
Confirm Before Purchase
- You specifically need the Kennesaw II refractory log set.
- You have selected HLS18R2, HLS24R2, or HLS30R2.
- Your fireplace meets the minimum front width, rear width, depth, and height.
- You have selected a compatible HearthRite vent-free burner.
- You have confirmed manual or thermostat control.
- You have confirmed natural gas or propane fuel.
- You understand that the HLS30R2 uses a 24" burner.
- You can provide adequate combustion and ventilation air.
- You understand that the burner and controls are separate from the decorative logs.
- Installation will follow the manufacturer instructions and applicable codes.
Do Not Assume
- That the burner is included.
- That nominal log size alone determines compatibility.
- That a 30" log set requires a 30" burner.
- That the decorative logs contain an ODS system.
- That vent-free operation eliminates combustion-air requirements.
- That bedroom or bathroom installation is permitted.
- That solid fuel can be burned while the heater is installed.
- That fireplace glass doors may remain partially or fully closed during operation.
- That unapproved blower inserts or heat exchangers may be added.
Final planning check: Use the Kennesaw II product brochure and HearthRite Burner Installation Manual to verify the exact log-set model, burner size, fuel configuration, controls, fireplace dimensions, combustion air, clearances, log placement, operating requirements, and final installation before ordering.
