ST SERIES by Heatilator
ST36D
Required opening: 41" w x 42" h x 23" d
Fire viewing: 36" w x 20-7/8" h
Max. square footage heated: 2,000 ft. sq. (100,000 BTUs/h.)*
ST42A
Required opening: 48" w x 39-1/8" h x 27" d
Fire viewing: 42" w x 23" h
Max. square footage heated: 2,000 ft. sq. (100,000 BTUs/h.)
* This is an approximate measure that may be affected by several variables.