10
100299634_2000545244_ Rev. A
Natural gas and Propane
(LP) main burner with
igniter assembly. NG burner
shown. LP burner similar
but with drain hole (item 17
in Figure 1).
Flare
Nut
††
43
45
41
38
40
42
39
37
44
20
Figure 3.
30
46
51
32
48
Shown with Junction Box
Cover removed for clarity.
47
50
31
49
Figure 4.
Vacuum relief valve
install per local
codes (not supplied
with heater).
Figure 5.
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”
below.
*** Caution harness has 120 VAC In operation.
**** See “Vent Pipe Installation” for more information.
REPLACEMENT PARTS AND DELIMING PRODUCTS
Replacement parts and recommended delimer may be
ordered through authorized servicers or distributors. When
ordering parts, provide complete model and serial numbers
(see rating plate), quantity and name of part desired.
Standard hardware items may be purchased locally.
COMBO HEATING INLET AND OUTLET SIDE TAPS
Models equipped with Combo Heating capabilities are
shipped with the two side plumbing taps
OPEN
(item 9 and
item 12 in Figure 1 and see also Figure 6 & Figure 19). If
the heater is to be operated without using the side taps
these openings
must be plugged
with the two pipe plugs
supplied with the heaters.
