MINIMUM CLEARANCES:
The Model 91 Bay Fireplace Insert is intended for installation in accordance with the standard for chimneys, fireplaces, vents, and
1.The hearth must be of masonry construction and must extend a minimum of 24" in front of the firebox opening and a minimum of 8" to either side of the firebox opening.
2.Floor protector must be 3/8" minimum thickness
3.If your fireplace has wood trim above it, the wood trim musts be at least 20" above the top of the unit and may be a maximum of 1/2" thick.
4.If your fireplace has a wood mantel, the mantel or mantel supports must be located at a height of 30" above the top
