TYPICAL INSTALLATION
GET TO KNOW YOUR WATER HEATER - GAS MODELS
A | Vent Pipe | J | Inner Door | S | Thermostat |
B | Draft Hood | K | Outer Door | T | Drain Valve |
C | Anode (Not Shown) | L | Union | U | Pilot and Main Burner |
D | Hot Water Outlet | M | Inlet Water | V | Flue |
E | Insulation | N | Cold Water Inlet | W | Drain Pan |
F | Gas Supply Piping | O | Inlet Dip Tube | X | Piezo Igniter |
G | Manual Gas | P |
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H | Ground Joint Union | Q | Rating Plate |
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I | Drip Leg (Sediment Trap) | R | Flue Baffle |
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*INSTALLINACCORDANCE WITH LOCAL CODES.
* DRIP LEG AS REQUIRED |
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| (S) GAS CONTROL VALVE/ | ||
BY LOCAL CODES. |
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| THERMOSTAT: | ||
TO VENT |
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| GAS CONTROL KNOB | ||
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TERMINATION ON |
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ROOF |
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A | INSTALL THERMAL EXPANSION |
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| TANK OR DEVICE IF WATER |
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| HEATER IS INSTALLED IN A |
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| CLOSED WATER SYSTEM |
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| WATER TEMPERATURE DIAL | ||
| L | M | N |
| (ADJUSTING DIAL) | |
B |
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D |
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| O | VACUUM RELIEF | “OFF” | “PILOT” | “ON” |
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| VALVE | POSITION | POSITION | POSITION |
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| *INSTALL PER | |||
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| LOCAL CODES |
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| P |
| TOP VIEW |
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E |
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R |
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| (U) MANIFOLD/BURNER ASSEMBLY | ||
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| MAIN BURNER |
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| THERMOCOUPLE | |
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| PILOT TUBE |
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| Q |
| IGNITER ROD |
| IGNITER WIRE |
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| MANIFOLD TUBE |
F |
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| MANIFOLD DOOR |
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G |
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H
DISCHARGE PIPE
(DO NOT CAP OR PLUG.)
VX 
S 
T
U
I
W Y J
K
6” MAXIMUM
AIR GAP
FLOOR DRAIN
*ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMERS.
FIGURE 1.
9
