Cross Reference Numbers: R7-RB167, 910-157/P. The 910-157/P blower fan is designed to fit a number of fireplaces, including models from Regency, Osburn, Nordica, Valley Comfort, Pacific, Rotom and Fasco. Specifications of The Regency Fireplace Blower Fan? Length x Width x Height: 13″ x 4.25″ x 4.5″, Air discharge length: 1″…