6Quadra-Fire • QFI30FB-IFT, QFI35FB-IFT Owner’s Manual • 2555-981 Rev. B • 6/18A. Appliance Certification2 Product Specific InformationMODELS: QFI30FB-IFT, QFI35FB-IFT,LABORATORY: Underwriters Laboratories, Inc. (UL)TYPE: Direct Vent HeaterSTANDARD: ANSI Z21.88-2017 • CSA 2.33-2017This product is listed to ANSI standards for “Vented GasFireplace Heaters” and applicable sections of “Gas Burn-ing Heating Appliances for Manufactured Homes andRecreational Vehicles”, and “Gas Fired Appliances forUse at High Altitudes”.Quadra-Fire gas inserts are designed for installations intosolid fuel masonry or factory built fireplaces that have beeninstalled in accordance with the National, Provincial, Stateand local building codes. Fireplaces are to be constructedof non-combustible materials and, in the absence of localor regional codes, meet criteria of NFPA 211. No additionaloutside air source is required.NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.This appliance is tested and approved as either supplemen-tal room heat or as a decorative appliance. It should not befactored as primary heat in residential heating calculations.NOTICE: This installation must conform with local codes.In the absence of local codes you must comply with theNational Fuel Gas Code, ANSI Z223.1-latest edition inthe U.S.A. and the CAN/CGA B149 Installation Codes inCanada.B. Glass SpecificationsThis appliance is equipped with 5 mm ceramic glass withan anti-reflective coating. Replace glass only with glasswith identical specifications. Please contact your dealerfor replacement glass.C. BTU SpecificationsModels(U.S. or Canada)MaximumInputBTU/hMinimumInputBTU/hOrificeSize(DMS)QFI30FB-IFT(NG) (0-2000 FT) 36,000 18,500 33QFI30FB-IFT(Propane) (0-2000 FT) 36,000 19,000 50QFI35FB-IFT(NG) (0-2000 FT) 40,000 20,000 31QFI35FB-IFT(Propane) (0-2000 FT)) 38,000 19,000 49Installation and service of this appliance should be performed byqualified personnel. Hearth & Home Technologies recommendsHHT Factory Trained or NFI certified professionals.