Durablow MFB005-A GFK21, FK21 Replacement Fireplace Blower Fan Kit for Heatilator, Majestic, Vermont Castings, Monessen, Heat n Glo, FMI, CFM, DESA, Rotom HB-RB21 Fits Heatilator: A36CH, A42C, A42CH, ADI60S, ADI-ZC-FB, ADI-ZCFB-S, BCDV36, BE36C, BE36CIPI, BV4236DBI, BV4842DBI, CB4236IR, CB4236MIR, CB4842IR, CB4842MIR, CD4236ILR, CD4236ILR-C, CD4236IR, CD4236IR-C, CD4236IR-C, CD4236LR, CD4236MILR, CD4842MILR, CD4236MIR, CD4842MIR, CD4236MLR, CD4842MLR, CD4236MR, CD4842MR, CD4236R, CD4842ILR, CD4842ILR-C, CD4842IR, CD4842IR-C, CD4842LR, CD4842R, CNXT70E, CNXT70E, CNXT70E, CNXT70E, EC36, EC36I, EC39, EC42, EC42I, EC42I, FP28, FP36, GBi25 SERIES, GC100, GC100E, GC100L, GC100LE, GC150, GC150E, GC150L, GC150LE, GC200, GC200L, GC300 SERIES, GC300E, GC300LE, GC300FL, GC300FLE, GC300FLLE, GC300ST, GC300STE, GC300STLE, GC361, GC421, GC400 SERIES, GCBC36, GCBC36LE, GCBC42, GCBC42LE, GCBC60, GCBC60I, GCBC60IL, GCBC60L, GCBC80, GCBC80I, GCBC80IL, GCBC80L, GCDC36, GCDC42, GCDC60, GCDC60E, GCDC60L, GCDC60LE, GCDC80, GCDC80E, GCDC80L, GCDC80LE, GDST3831I, GGBC36, GGBC36E, GGBC36L, GGBC36LE, GGBC42, GGBC42E, GGBC42L, GGBC42LE, GGBC42R, GNBC30, GNBC33, MAX60-FFMAX2, GNBC33LE, GNBC30LE, GNBC36, GNBC33LE, GNDC30, GNDC33, GNDC36, GNDH30, GNDH33, GNDH36, GNDH36E, GNDH36LE, GNRC33, GNRC36, GNRC36, GNTC80, GNTC80, HB36, HB42, MAX60, MAX60-FFMAX1, MAX60L-FFMAX2G, MAXUS MAX60E, MAXUS MAX60EF, MAXUS MAX60F, MAXUS MAX60L, MAXUS MAX60LE, MAXUS MAX60LEF, MAXUS MAX60LF, MH36A, MH39A, MH42A, NA36, NA42, NB3630M, NB3630MI, NB3933, NB3933I, NB3933M, NB3933MI, NB4236, NB4236I, NB4236M, NB4236MI, NB4842, NB4842I, NB4842M, NB4842MI, NBV3630I, NBV3933I, NBV4236, NBV4236I, NBV4842, NBV4842I, ND3630, ND3630I, ND3630L, ND3630IL, ND3933, ND3933I, ND3933L, ND3933IL, ND4236, ND4236I, ND4236L, ND4236IL, ND4842. ND4842I, ND4842L, ND4842IL, NDV3630, NDV3630I, NDV3630L, NDV3630IL, NDV3933, NDV3933I, NDV3933L, NDV3933IL, NDV4236, NDV4236I, NDV4236L, NDV4236IL, NDV4842, NDV4842I, NDV4842L, NDV4842IL, NEVO3630I, NEVO4236I, NNXT3933I, NNXT3933IL, NNXT4236I, NNXT4236IL, NOVi30, NOVi30L, NOVi35, NOVi35L, OLYMPUS, SC60, SL-350TRS-IPI, SL-550BE, SL-550BE-IPI^Fits Heatilator: SL-550TRS-E, SL-550TRS-IPI-E, SL-750TRS-E, SL-750TRS-IPI-E, TITAN, CCFPDFT, CDCFNR, CDCFPR, CDCFPR, CDCFTNA, CDCFTPA, FDCFRN, FDCFRP, FDCFTN, FDCFTP, VDCFRN, VDCFRP, VDCFTN, VDCFRP, VDCFTP^Benefits: Helps reduce costly energy bills, Heats large rooms efficiently, Installs quickly and easily with included instructions, Reasonable price aftermarket parts; The "Fits" BRAND and MODEL # are Reference ONLY! Please CHECK the Size & Ratings of your originals BEFORE buying.^Length x Width x Height (inches): 7.5 x 3.73 x 3.23 Motor Type: Ball Bearing Insulation Class H (rated to 392F / 200C) Motor RPM: 3000 Airflow in C.F.M: 80 Ratings: 120V, 60Hz Power Consumption (watts): 35 3-prong Power Cord: Yes Power Cord Length (inches): 75 Rheostat Variable Speed: YES Magnetic Thermostat: YES Thermostat Temperature: Activate at 120F / 50C, shutoff at 90F / 32C Material: Aluminum + Galvanized Steel Packaging Materials: Shipping box, Bubble Wrap, Foam Certifications: Rheostat, Thermostat, Motor UL Approved^Cross Reference Numbers: FK21, GFK21, GFK21B, R7-RB21K (Electric Motor Warehouse), HB-RB21, HB-RB21K, HB-RB130, Novus 30, Security UZY3, GA3450TA