TDS PDF

Water Treatment Appliances (Edition 2, published September 29, 2016; revisions through June 30, 2021). Original standard UL 979 2021-06 in PDF full version. Additional info + preview on request

Document status: Replaced by

Water Treatment Appliances (Edition 2, published September 29, 2016; revisions through November 23, 2021). Original standard UL 979 2021-11 in PDF full version. Additional info + preview on request

Document status: Replaced by

Water Treatment Appliances (Edition 2, published September 29, 2016; revisions through October 19, 2023). Original standard UL 979 2023-10 in PDF full version. Additional info + preview on request

Document status: Replaced by

Water Treatment Appliances (Edition 3, August 26, 2024). Original standard UL 979 2024-08 in PDF full version. Additional info + preview on request

Document status: Replaced by

Water Treatment Appliances (Edition 4, January 23, 2025). Original standard UL 979 2025-01 in PDF full version. Additional info + preview on request

Document status: Replaced by

Enclosed and Dead-Front Switches (Edition 14, published February 12, 2016; revisions through August 30, 2019). Original standard UL 98 2019-08 in PDF full version. Additional info + preview on request

Document status: Replaced by St UL 98 2023-01