Install Instructions

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GET TO KNOW YOUR WATER HEATER - GAS MODELS (list referencing Figures 1-7)
TYPICAL INSTALLATION
1. Vent Termination Elbow with Rodent
Screen
2. *Vent Pipe
3. *Vent Pipe Coupling (if required)
4. *Vent Pipe Elbow (long radius)
5. Blower High Limit Switch (see Figure
6)
6. T&P Valve
7. Cold-Water Inlet Nipple/Diptube
8. Baffl e Assembly
9. * Discharge Pipe
10. Gas Control Valve/Thermostat
(Honeywell)
11. Gas Valve Electronic Control Module
And Cover (Honeywell)
12. Drain Valve
13. Outer Gas Door
14. Manifold Door Assembly (behind
outer door) (see Figures 3 & 4)
15. *Floor Drain
16. *Metal Drain Pan
17. Flammable Vapor Sensor (under
cover) (see Figure 5)
18. **Combo Heating System Return
Inlet (Optional)
19. Air Inlet Snorkel
20. **Combo Heating System Supply
Outlet (Optional)
21. Blower with Power Cord (see also
Figure 6)
22. Air Switch (inside box) (see Figure
6)
23. Junction Box (see Figure 6)
24. Junction Box Cover (see Figure 6)
25. Air Tubing (see Figure 6)
26. Rubber Coupling (see also Figure
6)
27. Gear Clamp (see also Figure 6)
28. Flue Collector
29. Hot-Water Outlet Nipple
30. Anode (under cap)
31. ***Control Harness
32. Flexible Manifold Tube (see Figures
3 & 4)
33. Viewport (see Figures 3 & 4)
34. Flame Sensor Rod (see Figures 3 &
4)
35. Gas Orifi ce (see Figures 3 & 4)
36. Sheet Metal Burner (see Figures 3 &
4)
37. Gas Manifold (see Figures 3 & 4)
38. Hot-Surface Igniter (see Figures 3 &
4)
39. Manifold Door Gasket (see Figures 3
& 4)
40. Manifold Door (see Figures 3 & 4)
41. Two Piece Grommet With Clip (see
Figures 3 & 4)
42. *Inlet Water Shut-off Valve
43. *Gas Supply*
44. *Main Manual Gas Shut-off Valve
45. *Ground Joint Union (gas
connection)
46. *Sediment Trap/Dirt Leg
47. *Union (water connection)
48. Rating Plate
49. *Thermal Expansion Tank (required
for all closed systems)
*, **, ***, **** see notes on following
page
Front View Rear View
Figure 1 Figure 2
1
6
9
10
31
13
16
17
20
18
2
3
4
21
27
21
8
7
14
11
15
26
43
44
45
46
32
48
12
19
28
29
7
30
Combustion
Air Inlets
27
42
47
47
49
Blower
Dilution Air
Inlets