A.O. Smith 910 Installation Manual And Owner's Manual page 48

Combustion and Exhaust assembly
Other than Part# 444, Part# 445, Part# 446 and Part# 447, the 910/910 ASME models share the same
components.
T-M50 ASME /
444
446
447
135
137
404
406
405
408
409
113
412
910 ASME
446 445
132
3
133
136
402
403
401
407
411
413
414
139
415
113
138
48
129
127
130
128
131
134
402
403
401
417
404
406
405
407
408
409
411
113
412
416
413
414
415
Page
137
113
133
417
416
139
113
138