accordance with the invention an inlet 48 provides an air and fuel mixture to the pressure chamber 46 the air and fuel mixture flows in the direction indicated by arrows c through the inlet 48 into the pressure chamber 46 and through the ports 40 into the interior 42 of the burner 30 according to some embodiments of the invention the inlet 48 and the pressure chamber 46 are pressurized to a positive pressure in order to drive the air and fuel mixture into the burner 30 some embodiments may include a fan or other means for pressurizing the inlet 48 and pressure chamber 46 upstream from the burner 30 other embodiments may include a fan or other pressure inducing device downstream from the burner 30 the burner 30 may be used whether the air and fuel mixture is pushed or pulled through the burner 30 in embodiments where air and fuel mixture is pulled through the burner 30 one skilled in the art will appreciate that the air and fuel mixture may be supplied without a pressurized chamber 46 any suitable means of providing the air and fuel mixture to the burner 30 may be accomplished in accordance with the invention once the air and fuel mixture has flowed in the direction of arrows c through the ports 40 into the interior 42 of the burner 30.