Welcome to the shop. Criditpid Quality Regency Fireplace Blower Fan Kit: Product Specifications:? Cross Reference Numbers: R7-RB167, 910-157/P;? Size of Fan: 13″ L x 4.25″ W x 4.5 H;? Insulation: Class H (rated to 392°F);? Motor RPM: 2800;? Power Consumption: 53 watts;? Frequency (hertz): 60 Does it fit my fireplace? Regency Models: Regency Alterra CI1200, CI1250, CS1200, CS2400, CI2601, F1100S, F2100M, F2400M, F3100L, F3500B, F5100B, H2000M, H2100M, I1100S, I1200S, I2100M, I2400M, I3100L, R12, S2100M, S3100L, Z2510, Z2500RO. Regency Classic C33, C34, F2400, H2100, I3100, I1200, I2400. Regency F Series F1000, F1100, F3100, 3100. Regency Hampton H200, H27, HI200, HI300, HI400. Regency Ultimate P42, U43, U45. Regency Waterford E61, T25. C33, C33-1, C33-2, C33-3, C34, C34-1, C34-2, C34-3, C-34-10, GR47, GR48, GR54, GR55, GR57, GR58, GR77, GR78, HZ40E, HZ40E-1, HZ40E-2, HZ40E-10, HZ54E, HZ54E-1, HZ54EPV, P42, P42-1, P42-2, P42-3, P42-4, U23, U24, U41, U41-1, U41-2, U41-3, U41 -FS, U41-IN, U42, U43, U44, U43-1, U43-2, U43- 3, U41-DV, U45, U45-1. Please Note: Please double check the size of your original parts, and compare with ours to ensure proper fitment before ordering. Sale items are non-refundable.