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GET TO KNOW YOUR WATER HEATER - GAS MODELS (LIST REFERENCING FIGURES 1-5)
1 Termination Elbow with Vent Screen
2 *Vent Pipe
3 *Vent Pipe Elbow (long radius)
4 *Union (Di-electric water connection)
5 Cold-Water Inlet Nipple/Diptube
6 **Combo Heating System Supply
Outlet (Optional)
7 T&P Valve
8 *Discharge Pipe
9 **Combo Heating System Return
Inlet (Optional)
10 Gas Control Valve/Thermostat
(Honeywell)
11 Drain Valve
12 Outer Gas Door
13 Manifold Door Assembly (behind
outer door) (see Figure 3 & Figure 4)
14 *Metal Drain Pan
15 *Floor Drain
2
1
2
1
4
24
23
22
21
20
19
18
17
16
Front View
Figure 1.
100304522_2000545236 _Rev. 02
TYPICAL INSTALLATION
16 Flexible Manifold Tube (see Figure 3
& Figure 4)
17 ***Control Harness
18 *Sediment Trap
19 *Ground Joint Union (gas
connection)
20 *Main Manual Gas Shut-off Valve
21 *Gas Supply*
22 Anode (under cap)
23 Baffle Assembly
24 Hot-Water Outlet Nipple/Anode
25 *Inlet Water Shut-off Valve
26 ****Rubber Coupling (see Figure 5)
27 Gear Clamp (see Figure 5)
28 ***Blower with Power Cord (see
Figure 5)
29 Air Duct Adapter
30 Air Inlet Snorkel
31 Air Duct
32 *Thermal Expansion Tank (see
"Closed Water Systems" and
"Thermal Expansion" sections)
33 Flame Sensor Rod (see Figure 3 &
Figure 4)
34 Sheet Metal Burner (see Figure 3 &
Figure 4)
3
3
4
5
6
7
8
5
9
10
11
12 13
14
15
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35 Gas Orifice (see Figure 3 &
Figure 4)
36 Gas Manifold (see Figure 3 &
Figure 4)
37 Hot-Surface Igniter (see Figure 3 &
Figure 4)
38 Manifold Door Gasket (see Figure 3
& Figure 4)
39 Manifold Door (see Figure 3 &
Figure 4)
40 Two Piece Grommet With Clip (see
Figure 3 & Figure 4)
41 Viewport (see Figure 3 & Figure 4)
42 Air Tubing (Intake) (see Figure 5)
43 Blower High Limit Switch (see
Figure 5)
44 Intake Air Pressure Switch (NC)
(inside box) (see Figure 5)
45 Capacitor (see Figure 5)
46 Air Tubing (Exhaust) (see Figure 5)
47 Exhaust Air Pressure Switch (NO)
(inside box) (see Figure 5)
*, **, ***, **** see notes on following
page
AIR INLET
25
PIPING
32
4
31
30
Rear View
Figure 2.
EXHAUST
OUTLET PIPING
26
27
28
29
9
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