100324051_2000579115 _Rev. 01
www.hotwater .com 9
TYPICAL INSTALLATION
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
T&P Valve
7
*Discharge Pipe
8
Gas Control Valve/Thermostat
(Honeywell)
9
Drain Valve
10 Outer Gas Door
11 Manifold Door Assembly (behind
outer door) (see Figure 3)
12 *Metal Drain Pan
13 *Floor Drain
14 Flexible Manifold Tube (see
Figure 3)
15 **Control Harness
16 *Sediment Trap
17 *Ground Joint Union (gas
connection)
18 *Main Manual Gas Shut-off Valve
19 *Gas Supply*
20 Anode (under cap)
21 Baffle Assembly
22 Hot-Water Outlet Nipple/Anode
23 *Inlet Water Shut-off Valve
24 ***Rubber Coupling (see Figure 4)
25 Gear Clamp (see Figure 4)
26 **Blower with Power Cord (see
Figure 4)
27 Air Duct Adapter
28 Air Inlet Snorkel
29 Air Duct
30 *Thermal Expansion Tank (see
"Closed Water Systems" and
"Thermal Expansion" sections)
31 Flame Sensor Rod (see Figure 3)
32 Sheet Metal Burner (see Figure 3)
33 Gas Orifice (see Figure 3)
34 Flex Gas Line (see Figure 3)
35 Hot-Surface Igniter (see Figure 3)
36 Manifold Door Gasket (see Figure 3)
37 Manifold Door (see Figure 3)
38 Two Piece Grommet With Clip (see
Figure 3)
39 Viewport (see Figure 3)
40 Air Tubing (Intake) (see Figure 4)
41 Blower High Limit Switch (see
Figure 4)
42 Intake Air Pressure Switch (NC)
(inside box) (see Figure 4)
43 Capacitor (see Figure 4)
44 Air Tubing (Exhaust) (see Figure 4)
45 Exhaust Air Pressure Switch (NO)
(inside box) (see Figure 4)
*, **, *** see notes on following page
Front View
1
2
3
4
6
5
7
9
12
13
14
16
17
18
19
21
4
22
1
2
8
10 11
20
5
15
Figure 1.
3
Rear View
23
30
4
25
26
29
24
AIR INLET
PIPING
EXHAUST
OUTLET PIPING
28
27
Figure 2.
