Krueger Plumbing & Mechanical provides a variety of gas system services such as the repair, replacement or upgrade of gas lines and gas fittings (black steel pipe, copper flare and corrugated stainless steel tubing [CSST]), boilers, wall furnaces, log lighters and gas log sets, the installation of cooktops and ovens, as well as the attachment of proper venting to gas dryers. All gas work - natural and propane - includes pressure (mercury) and carbon monoxide (CO) testing for safety and proper equipment operation.