请注意:本出版物的格式为活页本。如果您想在订单中添加粘合剂，请阅读本页。第四节包含蒸汽供暖、热水供暖和直接使用油、气、电、煤或其他固体或液体燃料的热水供应锅炉的设计、制造、安装和检查的最低施工要求，以及用于在本文件中规定的压力和温度限制下或低于该限制的操作。饮用水加热器的类似规则也包括在内。 仔细应用本节将有助于用户遵守其管辖范围内的适用法规，同时从这些卷中详细介绍的许多行业最佳实践中获得运营、成本和安全效益。

Please note: the format of this publication is loose-leaf. Pleasevisit this pageif you would like to add a binder to your order.Section IV contains rules that cover minimum construction requirements for the design, fabrication, installation, and inspection of steam heating, hot water heating, and hot water supply boilers that are directly fired with oil, gas, electricity, coal, or other solid or liquid fuels, and for operation at or below the pressure and temperature limits set forth in this document. Similar rules for potable water heaters are also included.Careful application of this Section will help users to comply with applicable regulations within their jurisdictions, while achieving the operational, cost and safety benefits to be gained from the many industry best-practices detailed within these volumes.