Can I purchase a new cover for my furnace?

Yes. If your model number is 2509621, 2509622, 3509621, 3509622, 5009621 or 5009622, your cover model number is 4915. If your model number is 1403621 or 1403622, your cover model number is 4309. If your model number is 2203621, 2203622, 3003621 or 3003622, your cover model number is 4313.