Model WR2500X02 EPA Burn Rate (BTU/hr) 9,600 - 58,000 Log Length 20” Heated Area* Up to 1,500 sq. ft. Product Wt. lbs 250 Heat Output BTU/hr. 58,000 Insert Dimensions 21 3/4” H x 26 3/4” W x 20 3/4” D Avg. Efficiency % 64% Minimum. Fireplace Opening 23 3/4” H x 30 3/4” W x 10” D EPA Emissions g/hr. 4.7 Faceplate 44 1/8" W x 31" H Firebox Vol. cu. ft. 1.3     Support Literature Specs Manual     See our owners manual for complete dimensions and installation specifications. Units require 6” diameter flue connector. *Note: Actual heating area will vary based on fuel, home construction and region.