UL 174 BULLETINS-2004《5/13/2004 (14p); 2/23/2004 (64p)》
The following changes in requirements are being proposed: 1. Revised Label Requirements for Household Storage Tank Water Heater when Connected to a Supplemental Heat Source.
The following changes in requirements are being proposed: 1. Revised Label Requirements for Household Storage Tank Water Heater when Connected to a Supplemental Heat Source.