Dyna-Glo 20000 BTU Vent Free Natural Gas Blue Flame Wall Heater BF20NMDG-4

Dyna-Glo wall heaters are the ideal choice for safe， indoor supplemental heating. This state-of-the-art vent free technology does not require a flue or chimney. These heaters are great for use in your home， cabin or garage. Since these heaters do not require electricity to operate， they make an excellent choice for everyday heating and emergency situations when the power goes out. Using blue flame heating technology， heat is distributed similar to your central home heating system. This Blue Flame Wall Heater burns with 99.9% efficiency and operates on Natural Gas only. Not for sale in California or Canada. Check your local regulations on installation restrictions and requirements. DEPENDABLE: Ideal for daily supplemental or emergency use， such as power outages. ECONOMICAL: Cut heating bills by warming only occupied areas. COMFORT Manually adjust the heat setting to your desired temperature. SAFE: Built-in oxygen depletion sensor (ODS) immediately shuts down the heater if carbon monoxide or lack of oxygen is detected. CONVENIENT 1 continuous press of the battery assisted igniter makes ignition quick and effortless. VERSATILE: Includes all necessary hardware and bracket for wall mounting. UPGRADEABLE: Separately sold optional base legs (WBL100) provide the alternative of floor mounting. Separately sold optional Wall Heater Fan (WHF100) distributes heat in a quiet， yet powerful way.

Natural gas ready (field conversion not permitted)

Blue flame technology works by converting heat to warm the air the same way as a central heating system

10，000 BTU's/hour - 20，000 BTU's/hour variable heat output for up to 700 sq. ft.

Variable control knob offers the most customizable heat settings: low - 10，000 BTU， MED - 15，000 BTU， HI - 20，000 BTU

No electricity required allows for reliable back-up heating in case of an emergency situation

1-year warranty

Not for sale in California or Canada

Prior to placing your order， please check local and state codes to determine if vent-free heaters are permitted in your locality

Operating heater above elevations of 4，500 ft. could cause pilot outage