请注意:此版本的所有临时修订版将在您购买时提供。适用于一户和两户住宅的住宅消防泵，以及制造的HomesUL 448B1范围1。1这些要求适用于单户住宅、双户住宅和人工住宅供水系统中使用的消防泵。1.2这些要求所涵盖的泵旨在按照NFPA 13D《单户和双户住宅及人工住宅自动喷水灭火系统安装标准》进行安装和使用。

Please note: All interim revisions for this edition available at time of your purchase will be included.Residential Fire Pumps Intended for One- and Two-Family Dwellings and Manufactured HomesUL 448B1 Scope1.1 These requirements cover fire pumps intended for use in water-supply systems for one- and two-family dwellings and manufactured homes.1.2 The pumps covered by these requirements are intended for installation and use in accordance with the Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, NFPA 13D.