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INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
NOTICE: DO NOT discard this manual!
Vented Gas Log Set
Models:
STM18-N
STM24-N
For Natural Gas Use Only
Single Pan
Installation Manual
Installation and Appliance Setup
Hearth & Home Technologies • Installation Manual 4004-907 • 08/2024
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
• DO NOT store or use gasoline or other flam-
mable vapors and liquids in the vicinity of this
or any other appliance.
• What to do if you smell gas
- DO NOT try to light any appliance.
- DO NOT touch any electrical switch. DO
NOT use any phone in your building.
- Leave the building immediately.
- Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
- If you cannot reach your gas supplier, call
the fire department.
• Installation and service must be performed
by a qualified installer, service agency, or the
gas supplier.
In the Commonwealth of Massachusetts
installation must be performed by a licensed
plumber or gas fitter.
See appliance installation manual for
additional Commonwealth of Massachusetts
requirements.
1
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Table of Contents
Related Manuals for Hearth & Home STM18-N
Summary of Contents for Hearth & Home STM18-N
- Page 1 • What to do if you smell gas Models: - DO NOT try to light any appliance. STM18-N - DO NOT touch any electrical switch. DO STM24-N NOT use any phone in your building. - Leave the building immediately.
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Page 2: Safety Alert Key
Safety Alert Key: • DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury. • WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury. • CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. •... -
Page 3: Installation Standard Work Checklist
Installer: Model (circle one): Dealer/Distributor Phone #: Models: Serial #: STM18-N STM24-N WARNING! Risk of Fire or Explosion! Failure to install appliance according to these instructions could lead to a fire or explosion. YES IF NO, WHY? Gas Log Install Sections 2 and 5 •... - Page 4 Welcome A. Congratulations Congratulations on selecting a Hearth & Home Technologies The information contained in this owner’s manual, unless gas log set—an elegant and clean alternative to burning noted otherwise, applies to all models and gas control wood. The Hearth & Home Technologies gas log set you systems.
- Page 5 B. Limited Lifetime Warranty Hearth & Home Technologies LLC LIMITED WARRANTY Hearth & Home Technologies LLC (“HHT”) extends the following warranty for HHT gas, wood, pellet and electric hearth appliances (each a “Product” and collectively, the “Product(s)”) and certain component parts set forth in the table below (“Component Part(s)”) that are purchased from a HHT authorized dealer or distributor.
- Page 6 B. Limited Lifetime Warranty (Continued) WARRANTY CONDITIONS: • Because HHT cannot control the quality of any Products sold by unauthorized sellers, this Warranty only covers Products that are purchased through an HHT authorized dealer or distributor unless otherwise prohibited by law; a list of HHT authorized dealers is available on the HHT branded websites.
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Page 7: Product Specific And Important Safety Information
NATURAL GAS: An external regulator is required to MODEL(S): Models: reduce supply pressure to a maximum of 10.0” wc. STM18-N PROPANE/LP: An external regulator is required to re- duce supply pressure to a maximum of 13.0” wc. STM24-N D. High Altitude Installations... -
Page 8: Requirements For The Commonwealth Of Massachusetts
H. Requirements for the Commonwealth of Exemptions Massachusetts The following equipment is exempt from 248 CMR 5.08(2) (a)1 through 4: For all side wall horizontally vented gas fueled equipment • The equipment listed in Chapter 10 entitled “Equipment installed in every dwelling, building or structure used in Not Required To Be Vented”... -
Page 9: Important Safety And Operating Information
Important Safety and Operating Information A. Appliance Safety Clear Space WARNING! DO NOT operate appliance before WARNING! DO NOT place combustible objects in reading and understanding operating instructions. front of the appliance. High temperatures may start a fire. Failure to operate appliance according to operating in- See Figure 3.1. -
Page 10: Getting Started
Getting Started A. Design and Installation Considerations C. Inspect Appliance and Components Installation MUST comply with local, regional, state and • Carefully remove the applaince and components from national codes and regulations. Consult insurance carrier, the packaging. local building inspector, fire officials or authorities having •... -
Page 11: Minimum Hearth Dimensions
E. Minimum Hearth Dimensions WARNING Do not install the applaince: • Where curtains, furniture, clothing, or other flammable objects are less than 36" from the front of the heater. • In high traffic areas. • In windy or drafty areas. Damper Stop Installation A damper stop is provided with this appliance. -
Page 12: Negative Pressure
G. Negative Pressure Damper Stop Installation (cont.) Negative pressure results from the imbalance of air avail- able for the fireplace to operate properly. Possible causes for this imbalance include: • Exhaust fans (kitchen, bath, etc.) Damper Stop • Range hoods •... - Page 13 Combustion tables for Masonry and Factory Built Table 4.1 Hearth & Home Technologies • Installation Manual 4004-907 • 08/2024...
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Page 14: Gas Information
Gas Information Note: Have the gas supply line installed in accordance WARNING with local codes, if any. If not, follow ANSI Z223.1. Instal- lation should be done by a qualified installer approved Use new black iron or steel pipe. Internally tinned and/or licensed as required by the locality (In the Com- copper or copper tubing can be used per National monwealth of Massachusetts installation must be per-... - Page 15 Appliance Installation and Set-up WARNING 1. Pour sand into each burner pan to the point where the burner pan is fully covered. You must secure the gas log appliance to the 2. Level the sand from side to side to ensure an even fireplace floor.
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Page 16: Before Lighting Appliance
C.Log Placement This vented log set has multiple log options to choose from. These logs are sold separately. For log placement instructions refer to the installation in- structions supplied with the log set. NOTE: The appliance is designed to be operated with one of the optional log sets installed. -
Page 17: Lighting Instructions
A. Lighting Instructions Hearth & Home Technologies • Installation Manual 4004-907 • 08/2024... -
Page 18: Maintenance And Service
Maintenance and Service B.Cleaning and Servicing Any safety screen removed for servicing must be replaced prior to operating the appliance. Annual inspection and cleaning by your dealer or quali- fied service technician is recommended to prevent mal- When properly maintained, your appliance will give you function and/or sooting. -
Page 19: Troubleshooting
A. Troubleshooting With proper installation and maintenance, your new decorative gas appliance should provide years of trouble-free service. If you do experience a problem, refer to the troubleshooting guide below. This guide will assist you or a qualified service technician in the diagnosis of problems and the corrective action to be taken. Possible Causes Corrective Action Symptons... -
Page 20: Service Parts
STM18-N Service Parts Beginning Manufacturing Date:Feb 2025 Matchlight 18” Hearth Kit Ending Manufacturing Date: Active IMPORTANT: THIS IS DATED INFORMATION. Parts must be ordered from a dealer or distributor. Hearth Stocked and Home Technologies does not sell directly to consumers. Provide model number and serial number when requesting service parts from your dealer or distributor. - Page 21 STM24-N Service Parts Beginning Manufacturing Date:Feb 2025 Matchlight 24” Hearth Kit Ending Manufacturing Date: Active IMPORTANT: THIS IS DATED INFORMATION. Parts must be ordered from a dealer or distributor. Hearth Stocked and Home Technologies does not sell directly to consumers. Provide model number and serial number when requesting service parts from your dealer or distributor.
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Page 22: Contact Information
B. Contact Information Hearth & Home Technologies 7571 215 Street West, Lakeville, MN 55044 www.hearthnhome.com Please contact your dealer with any questions or concerns. For the location of your nearest dealer, please visit www.hearthnhome.com - NOTES - CAUTION DO NOT DISCARD THIS MANUAL Read, understand Leave this manual with •...
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