Hongso GFK4 Replacement Fireplace Blower Fan KIT for Heatilator, Majestic, Vermont Castings, Monessen, CFM, Northern Flame, Rotom HB-RB74K Includes blower fan unit, 3-prong power cord, connecting wire, rheostat & thermostat, Velcro mounting strips & installation instructions. Wall switch for blower NOT REQUIRED Blower total Length = 12.5" Width = 3.73" Height = 3.23" Flange Opening = 9 1/2", Insulation Class H (rated to 392F / 200C) Motor RPM: 2050, Airflow in C.F.M: 118, 120V, 0.6 Amps, 60Hz, Power Consumption (watts): 31W; Material: Aluminum + Galvanized Steel; Certifications: Motor UL Approved Cross Reference Numbers: FK4, GFK4, GFK4B, R7-RB74K, HB-RB74K, SkyTech FK-165-ESC, 98240; NOTE: The "Fits" BRAND and MODEL # Listed below are Reference ONLY! Make sure you measure the size of your original blowers and compare with the replacements BEFORE you order Fit Models Heatilator: CB4236, CB4842, NNXT4236I, NBV3933, NBV4236I, NDV3933, NDV4236, NDV4842, NDV3933, ND4842, ND3933, ND4236, GNRC33, GNDC33, GNDC36, GNDH33, GNDH36, GNRC36, GNBC33, GNBC36 Many, many more;  Fits Heatilator: SL-550TRS-IPI-E, SL-750TRS-E, SL-750TRS-IPI-E, TITAN Fits Heatilator: A36C, 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...