Hearthstone 94-57910 Wood Stove Blower Kit for Clydesdale 8491 & 8492. Genuine Hearthstone woodstove blower kit. Designed for use with. Clydesdale 8491 Wood Burning Insert. Clydesdale 8492 Wood Burning Insert. For the Clydesdale 8490 replacement blower kit please see Part #94-57900. Assembly Contents: (1) Right Fan Blower with Mounting Bracket 7211-946 (1) Left Fan Blower with Mounting Bracket 7211-947 (6) Silicone Grommet with Bushing (installed) (1) Variable Speed Motor Control w/Bracket (1) Power Cord, 8. Instructions for Hearthstone Wood Stove Room Air Dual Blower Kit (Clydesdale 8491 & 8492): 94-57910. Listing and template services provided by inkFrog.