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INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
Contact your dealer with questions on installation, operation, or service.
NOTICE:
DO NOT discard this manual!
Model(s):
WOODBURNING FIREPLACE
Installation and service of this appliance should be performed by
Owner's Manual
Operation and Care
Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury, or death.
• DO NOT store or use gasoline or other flam-
mable vapors and liquids in the vicinity of this
or any other appliance.
• DO NOT overfire. Overfiring will void your
warranty.
• Comply with all minimum clearances to com-
bustibles as specified. Failure to comply may
cause house fire.
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
fireplace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other flammable
materials.
• Keep clothing, furniture, draperies and other flammable
materials away.
WARNING
Fire Risk.
For use with solid wood fuel only.
Other fuels may overfire and generate
poisonous gases (i.e. carbon monoxide).
1

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Summary of Contents for Heat & Glo HST48D

  • Page 1 Installation and service of this appliance should be performed by WARNING Fire Risk. For use with solid wood fuel only. Other fuels may overfire and generate poisonous gases (i.e. carbon monoxide). Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 2: Table Of Contents

    4. Storing Wood 5. Burning Process ► 6. Creosote Formation and Need For Removal ► 7. Processed Solid Fuel Firelogs ► D. First Fire E. Lighting Instructions Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 3: Welcome

    AVERTISSEMT:RISQUE DE DOMMAGE PARINCENDIE, REMPLACEZ LA GRILLE AVEC HEARTH & HOME TECHNOLOGIES IF INSTALLATION OR OPERATING INSTRUCTIONS ARE MISSING CONTACT: HEARTH & HOME TECHNOLOGIES, 7571 215th Street West, Lakeville, MN 55044. P.N. 4021-954E Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 4: Limited Lifetime Warranty

    (engine, inner cover,access cover and fireback) None 1 Year All replacement parts beyond warranty period See conditions, exclusions and limitations on the next page Page 1 of 2 4021-645K 1/20 Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 5 OTHER THAN THE WARRANTY SPECIFICED HEREIN. THE DURATION OF ANY IMPLIED WARRANTY IS LIMITED TO DURATION OF THE EXPRESSED WARRANTY SPECIFIED ABOVE. 4021-645K 1/20 Page 2 of 2 Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 6: Product Specific And General Information

    Warning! Risk of Fire! For use with solid wood fuel only. Other fuels may overfire and generate poisonous gases (i.e. carbon monoxide). Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 7: Important Safety And Operating Information

    Sides of Fireplace Opening the State of California to cause birth defects or other reproductive harm. For more infor- mation go to: www.P65Warnings.ca.gov. Figure 3.1 Clear Space Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 8: Grate

    If doors are left partly open, gas and flame may be drawn out of the fireplace opening. Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 9: General Operating Parts

    Air Kit Handle Location open (just above stone) close Damper Handle Figure 3.2 General Operating Parts Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 10: Flue Damper

    • Oak • Pine • Maple Figure 3.3 Operating Positions of Bi-fold Doors • Spruce • Apple • Cedar • Birch • Poplar • Aspen • Alder Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 11: Moisture Content

    Avoid covering the sides and ends completely. Doing so may trap moisture from the ground and impede air circulation. Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 12: Burning Process

    • all labels have been removed ► Note: Homeowners are encouraged to provide smoke and carbon monoxide alarms in accordance with the authority having jurisdiction. Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 13: Maintenance And Service

    TCT1175 ST1175 TR444/TR442 Terra Cotta ST475 Round Termination Cap Square Termination Cap Termination Cap Available US only Figure 4.1 Chimney & Termination Cap Cleaning DT SERIES Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 14: Grate

    F. Refractory/Firebrick Frequency: Tools Needed: • Inspect condition of brick. Replace if crumbly or otherwise deteriorated, or if cracks exceed 1/4 in. (6 mm). Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 15: Troubleshooting

    Add glass doors to slow down air flow. Overdrafting Check for correct vent height; too much vertical height creates overdrafting. Check location of vent termination (refer to chimney assembly section). Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 16: Faqs

    Visit www.heatnglo.com to find a dealer. Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 17 Air register from furnace near fireplace? Doors opening and closing? Outside air Window closed Combustion closed? for start-up? air control Figure 5.1 Factory-built Fireplaces: Troubleshooting Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 18: Reference Materials

    Reference Materials ► A. Service Parts Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 19: Accessories

    B. Accessories Doors DM1242 Bi-fold Doors with Black Trim DM1242S Bi-fold Doors with Stainless Steel Trim Gas Log Sets Gas Log Lighters Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...
  • Page 20: Contact Information

    7216645, D320652, D445174, D462436; (Canada) 1297749, 2195264, 2225408, 2313972; (Australia) 780250, 780403, 1418504 or other U.S. and foreign patents pending. Printed in U.S.A. - Copyright 2012 Heat & Glo • HST48D Owners Manual • 4012-055 • Rev H • 05/2020...

Table of Contents