Enviro 50-1549 Aftermarket Sonnet Fireplace Blower Fan. Aftermarket 50-1549 replacement blower for Enviro Sonnet gas stoves. Features 100% ball bearing construction and improves on the original blower in every way. Sealed ball bearing design, including outside spindle bearing. Super powerful 0.90A Class H insulated motor with thermal protection and impedance protection. Bearings use a high temperature lubrication to ensure long life. Please consult the fireplace model compatibility guide below to ensure fitment. This blower is constructed of high grade materials and is engineered to operate smoothly, efficiently and last a long time. An optional cross support brace is available to help further stiffen the chassis and prolong bearing life. Benefits of Adding a Fireplace Blower. Improves fireplace efficiency by as much as 80%. Helps reduce costly energy bills. Heats large rooms effectively. Installs quickly and easily. 100% ball bearing replacement blower. Power cords and blower chassis diagonal support braces are NOT included with replacement blowers. If you’re installing a blower for the first time, a blower kit may be required. Replacement blowers are intended to replace worn or defective blowers and do not include the components of a full blower kit. This blower may be used as a universal replacement blower, so please review dimensions before purchasing. For more information on the benefits of ball bearing blowers, read our. How Does a Fireplace Blower Work? L x W x H. 10 1/4″ x 4 1/4″ x 3 9/16. 7.0″ x 2.0″. Blower, Motor & Bearing. Class H (rated to 392°F). Mounts directly to blower kit brackets. Noise Reduction Padding & Velcro. Noise reduction padding included. Listing and template services provided by inkFrog.