Hearth Craft Piccolo PC37265 Clear Glass Textured Black Twin Fireplace Door with Riser Bar d24.9375 This additional ventilation requirement increases

This additional ventilation requirement increases the building heat loss and the fuel cost as indicated in this example:

Burner Installation and Operation Manual (Electronic)

and different sizes

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B-Vent Size 6" Length 4 1/2” Technical Dimensions

Hearth Craft Piccolo PC37265 Clear Glass Textured Black Twin Fireplace Door with Riser Bar d24.9375 This additional ventilation requirement increasesThe fireplace is the heart of the home. People love to gather where there is food, drink, conversation, and warmth. Since 1956, Hearth Craft fireplace doors have been a top choice of homeowners in search of quality door designs that support the personality of their homes. Hearth Craft fireplace doors are designed only for vented fireplaces and are all made in the United States of America. They come fully assembled and ready to install, and are