InterNACHI®️ Forum
American Standard Horizontal Draft
Specific Inspection Topics
Inspecting HVAC Systems
dhelm
(David E. Helm)
March 25, 2009, 2:51am
1
Anyone have age info on this one. Serial # D32325797?
dhelm
(David E. Helm)
March 25, 2009, 4:33am
2
Anybody got a clue?
gpallotta
(Gerry A. Pallotta)
March 25, 2009, 6:36am
3
D=1989