A.O. Smith 52 Instruction Manual page 51

MANIFOLD KITS
Table 11. Manifold Kits with Two Heaters
Tank Capacity
(Gallons)
52
80
120
Inlet and outlet size - 1 1/2
All dimensions in inches.
Table 12. Manifold Kits with Three Heaters
Tank Capacity
(Gallons)
52
80
120
Inlet and outlet size - 2 1/2
Table 13. Manifold Kits with Four Heaters
Tank Capacity
(Gallons)
52
80
120
Inlet and outlet size - 2 1/2
51
Part
Number H W
100109231 66 1/4 56 3/4
100109231 70 1/2 60 1/4
100109231 73 1/4 64 1/2
Part
Number H W
100109232 66 1/4 91 3/4
100109232 70 1/2 95 1/4
100109232 73 1/4 99 1/2
Part
Number H W
100109233 66 1/4 126 3/4
100109233 70 1/2 130 1/4
100109233 73 1/4 134 1/2
D A
27 1/4 13 1/4
31 1/4 9 3/4
35 3/4 5 1/2
D A
27 1/4 13 1/4
31 1/4 9 3/4
35 3/4 5 1/2
D A
27 1/4 13 1/4
31 1/4 9 3/4
35 3/4 5 1/2