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Important Safety Guides for Vent-Less Heaters



  • It is Important to follow these rules to avoid fire hazard, property damage, bodily injury or death from malfunction of the heater.
  • For safety, Read Owner's Manual before using
  • Check local codes and ordinances for permitted uses
  • Installation must be done by qualified service persons
  • Not for use in recreational vehicles
  • All products approved for manufactured (mobile) home installation.
  • We reserve the right to amend product specifications without notice.
  • Use with adequate air (ventilation) only. Humidifies while it heats.
  • Provides water vapor in the area heated. Refer to owner's manual for specifics.
  • Heating areas based on rooms with 8' ceilings.
  • Vent-Free room heaters have a pilot with an Oxygen Depletion Sensor Shutoff System (ODS). The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air.
  • Operating heater at elevations above 4,500 ft. could cause nuisance outages.
  • Product cannot be converted between fuel types.
  • The only warranty available is the Manufacturers standard warranty. Please read the warranty for any limitations or disclaimers. Warranty is provided by the product manufacturer, Master Distributors does not provide warranty or extended warranty programs.
  • All products carry a limited warranty. All accessories have a limited 30 day warranty.
  • ANSI Z21 11.2 Standard and National Fuel Gas Code revised in 1994 to permit wall mounted installations of vent-free gas heaters of 10,000 Btu or less in bedrooms and 6,000 Btu or less in Bathrooms. As always check local codes
  •  States Prohibiting Sale/Use of Vent-Free Products
  • Prevent Children and Adults from touching the heater when being operated so as to avoid clothing ignition and burn injury
  • Due to high temperatures, place the heater out of traffic and keep it away from clothing, curtains, draperies and furniture, should be at least 36" clearance
  • If the heater is installed in a residential garage, the following precautions should be taken:
  •     The heater pilot and burner must be at least 24 inches above the floor
  •     The heater must be located or reasonable protected, so as not to be subjected to damage by a moving vehicle
  •     All flammable fuels should be removed
  • Do Not Operate the heater adjacent to clothing or flammable materials
  • "WARNING": Any physical change to the heater or it's controls can be dangerous
  • Minimum Clearance guide from combustible construction:
    • Rear ............... 0 Inches
    • Sides .............. 6 Inches
    • Top .............. 36 Inches
    • Floor ............. 3 Inches
  • See Owners Manual for your applications
  • Always Check local codes and ordinances for permitted uses
  • Carbon Monoxide Poisoning: Early Signs of carbon monoxide poising resemble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at once! Have heater serviced. Some people are more affected by carbon monoxide than others. These include pregnant women, people with heart or lung disease or anemia, those under the influence of alcolhol, and those at high altitudes.




Important Heater Information



  • Installation must be done by qualified service persons.
  • Read Owner's Manual before using.
  • Check local codes and ordinances for permitted uses.
  • Not for use in recreational vehicles.
  • All products approved for manufactured (mobile) home installation.
  • We reserve the right to amend product specifications without notice.
  • Use with adequate air (ventilation) only. Humidifies while it heats.
  • Provides water vapor in the area heated. Refer to owner's manual for specifics.
  • Heating areas based on rooms with 8" ceilings.
  • Operating heater at elevations above 4,500 ft. could cause nuisance outages.
  • Is Vent-Free Gas Heating Right For Me?
  • Product cannot be converted between fuel types.
  • The only warranty available is the Manufacturers standard warranty. Please read the warranty for any limitations or disclaimers. Warranty is provided by the product manufacturer, Master Distributors does not provide warranty or extended warranty programs.
  • All Vent-Free products carry a limited warranty. 
  • All accessories have a limited 30 day warranty.
  • ANSI Z21 11.2 Standard and National Fuel Gas Code revised in 1994 to permit wall mounted installations of vent-free gas heaters of 10,000 Btu or less in bedrooms and 6,000 Btu or less in Bathrooms. As always check local codes
  • States Prohibiting Sale/Use of Vent-Free Products




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