IAPMO released the 2021 edition of the National Standard Plumbing Code – Illustrated (NSPC). An updated version of the 2018 NSPC, the book may be purchased via the IAPMO web store at http://bit.ly/2vvHDfV.

The 2021 NSPC provides the latest information about common materials, fixtures, devices and equipment systems used or installed in plumbing systems. This new edition is printed in the popular illustrated format, with comments and illustrations clearly shown as supplemental information. The illustrations and supplementary notes make it an indispensable training tool.