Natural gas and Propane
(LP) main burner with
igniter assembly for 40k
and 45k Btu/hr models
36
Flare
Nut
††
35
43
Figure 54
Natural gas and Propane
(LP) main burner with
igniter assembly for 58k,
62k, 72k & 76k Btu/hr
models
36
Flare
Nut
††
35
43
Figure 55
328767-001
39
40
42
42
41
www. americanwaterheater .com
Shown with
Junction Box Cover
removed for clarity.
30
37
†
49
48
38
47
41
Notes:
*
Items not supplied with the water heater.
** The side recirculation loop connections may not be
used as the primary water inlet and outlet connections.
See "Combo Heating Inlet And Outlet Side Taps".
*** Caution harness has 120 VAC In operation.
**** See "Vent Pipe Installation" for more information.
†
The orifi ce on Natural gas models has Right-hand
37
†
thread, the orifi ce on Propane (LP) models has Left-
hand thread.
†† For Natural gas models the Flare Nut has Right-hand
thread. For Propane (LP) models the Flare Nut has
38
Left-hand thread.
39
40
29
Figure 56
28
44
45
46
49