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GWN20TA GloWarm Natural gas heaters are a vent free BlueFlame heater,
with thermostat control and 20,000 btu’s

The GWN20TA BlueFlame heater works much like a central heating system,
the room is wrapped in a blanket of comfort as the air is warmed.

A GloWarm BlueFlame heater does not require electricity to run,
enabling you to weather the cold with power or without.




GloWarm Blueflame Heater GWN20TA



  • GWN20TA - Natural Gas heater
  • Thermostatic control operation with gas valve 098522-28 ( 0630545 )
  • Wall Mount heater
  • Save on heating costs. The 99% heating efficient designs require no outside venting, so all the heat stays in the room.
  • A vent free blueflame heater provides easy, economical installation, with no vent or chimney required, and a built in 099415-17 pressure regulator, installation is an easy job*. (*Professional installation recommended)
  • Safe and clean burning, GloWarm blueflame heater is design certified by the American Gas Association and meet or exceed all government safety performance standards.
  • A dual purpose safety ODS pilot system 110803-01 protects against oxygen depletion, when the pilot flame is lifted from the 110186-01 thermocouple the gas is shut off to the burner by the 110803-01 pilot ODS causing the heater to turn off.
  • Provides heat during power outages. No electricity required for heater, (only optional PP100 blower fan requires power) making the blueflame heater ideal as back up emergency heat.
  • Clean, quiet, odorless operation
  • Easy to use  top mounted controls - gas valve ( 098522-28 0630545 ) and piezo ignitor ( 097159-04 ) are both easily accessible.
  • 097159-04 piezo igniter push button ignition. No matches required.
  • Decorative safety grill and tinted glass
  • Low heat 10,000 BTU's
  • High heat 20,000 BTU's
  • Heater Dimensions 24.5" H x 18.25" W x 8" D




Important Heater Information



  • Heater Installation must be done by qualified service persons.
  • Read Owner's Manual before using.
  • Check local codes and ordinances for permitted vent free heater uses.
  • Not for use in recreational vehicles.
  • All heater products approved for manufactured (mobile) home installation.
  • We reserve the right to amend heater specifications without notice.
  • Use with adequate air (ventilation) only. vent free heaters humidify while they heat.
  • Vent free provides water vapor in the area heated. Refer to owner's manual for specifics.
  • Heating areas based on rooms with 8' ceilings.
  • Other natural gas Glo Warm Heaters:
    GWN6 GWN10 GWN10T GWN30TA
  • Operating GWN30TA heaters at elevations above 4,500 ft. could cause nuisance outages. REASON: thinner air at higher elevations causes the 110803-01 ODS pilot to shut the heater off. This is accomplished as the pilot flame lifts off of the 110186-01 thermocouple ceasing the signal sent to the 098522-28 and 0630545 gas valve.
  • Vent free heater can not be converted between fuel types.
  • ANSI Z21 11.2 Standard and National Fuel Gas Code revised in 1994 to permit wall mounted installations of 10,000 btu vent free heaters ( GWN10T GWN10 GWP10T GWP10 ) in bedrooms and 6,000 btu heaters ( GWN6 GWP6 ) in bathrooms.
    Always check local codes before installing





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