InterNACHI®️ Forum
NACHI releases a free, online Water Heater TPR Valve Discharge Piping mini course.
Specific Inspection Topics
Plumbing Inspections
gromicko
(Nick Gromicko, CMI)
May 14, 2007, 3:49am
1
http://www.nachi.org/waterheaterdischargepipingcoursereleased2007.htm