F3544 Fireplace Blower Kit for Astria & Superior Fireplaces. Our aftermarket F3544 fan kit is a. Ssembled & tested in the USA and. Fits a number of popular Astria and Superior woodburning fireplaces. Fits Astria Ladera CAT and Superior WRT3920WS CAT wood fireplaces. The blower is pre-wired for easy installation and features our 100% ball bearing blower assembly. The blower and motor are quiet, powerful and incredibly efficient. The kit also includes a galvanized steel mounting bracket with pre-installed noise reduction padding to prevent vibration and noise, while also ensuring that the blower is securely mounted to your fireplace. A magnetic temperature is included with the kit and automatically turns the fireplace on and off. 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 blower. Pre-wired for easy installation. Galvanized mounting bracket with noise reduction padding. Heavy duty grounded 3 prong power cord. L x W x H (with bracket). 13.63″ x 4.63″ x 4.5. L x W x H (blower only). 12.5″ x 3.73″ x 3.23. 9.57″ x 1.375″. Blower, Motor & Bearing. Class H (rated to 392°F). Bracket (included), fireplace will typically have two flush mounted floor tabs that bend up and secure the bracket in position. Rheostat Variable Speed Controller. Listing and template services provided by inkFrog.