In collaboration with the United Association, the International Association of Plumbing and Mechanical Officials released the third edition of its Backflow Prevention Reference Manual. This full-color, illustrated manual is updated to the latest editions of the plumbing, mechanical, and fire protection codes and standards. It also features improved, updated and expanded testing/repair/troubleshooting information reflecting the latest products and procedures.
IAPMO backflow prevention manual
May 31, 2016