Save this manual for future reference.BLUE FLAMEVENT-FREE NATURAL GAS HEATEROWNER’S OPERATION AND INSTALLATION MANUAL10,000 Btu/HrThermostatically-Controlled ModelsVN1000BTAWARNING: If the information in this manual is notfollowed exactly, a fire or explosion may result caus-ing property damage, personal injury, or loss of life.— Do not store or use gasoline or otherflammable vapors and liquids in the vicinity ofthis 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 notuse any phone in your building.• Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’sinstructions.• If you cannot reach your gas supplier, callthe fire department.— Installation and service must be performed bya qualified installer, service agency, or the gassupplier.WARNING: Improper installa-tion, adjustment, alteration,service, or maintenance cancause injury or property dam-age. Refer to this manual forcorrect installation and opera-tional procedures. For assis-tance or additional informa-tion consult a qualified in-staller, service agency, or thegas supplier.WARNING: This is an unventedgas-fired heater. It uses air(oxygen) from the room inwhich it is installed. Provisionsfor adequate combustion andventilation air must be pro-vided. Refer toAir for Com-bustion and Ventilation sec-tion on page 4 in this manual.®This appliance may be installed in an aftermarket*, permanently located, manufac-tured (mobile) home, where not prohibited by local codes.This appliance is only for use with the type of gas indicated on the rating plate. Thisappliance is not convertible for use with other gases.*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer