Abstract: A gas burner for gas fireplaces has a housing defining a shallow chamber with an extended top and surface which covers most of the grate area of a gas fireplace and supports non-combustible logs and embers. The chamber has an opening receiving gas or a mixture of gas and primary air, which is discharged through areas of perforations formed in a top wall of the chamber, these areas including both relatively broader and relatively narrower and elongated areas irregularly distributed and oriented over the top wall to provide flames between the logs and to render the embers incandescent, with the areas connected or adjacent to promote the spread of flame between them during ignition. The top wall may be formed by laminating two metal sheets, one perforated and the other formed with slots and holes defining the perforated areas.

Abstract: A fresh air vent for building into the hearth of a fireplace is constructed with the shape and heft of a hearth brick. It has a body and lid of heavy-gauge steel, the body replacing a hearth brick in the hearth, and defining a screened top opening to a tubular flange extending most of the depth of the vent so as to establish a secure connection to an air duct without the use of tools. The lid is hinged to the back of the body, and has slightly inclined end walls passing through and retained in slots in the top of the body to establish frictional engagement therewith when the lid is open.