TYPICAL INSTALLATION
GET TO KNOW YOUR WATER HEATER - GAS MODELS
A | Vent Pipe | K | Outer door | U | Main Burner |
B | Draft hood | L | Union | V | Flue |
C | Anode (Not Shown) | M | Inlet Water | W | Suitable Metal Drain Pan |
D | Hot Water Outlet | N | Cold Water Inlet | X | Control Display |
E | Insulation | O | Inlet Dip Tube | Y | Power Supply Transformer |
F | Gas Supply Piping | P | Temperature & Pressure Relief Valve |
| (Shown detached from Heater) |
G | Manual Gas | Q | Rating Plate | YY Pressure Switch | |
H | Ground Joint Union | R | Flue Baffle |
| (Shown detached from Heater) |
I | Drip Leg (Sediment Trap) | S | Gas Control Valve/Thermostat | Z | Air Intake Chamber |
J | Inner Door | T | Drain Valve | ZZ | FV Sensor (Shown without Bracket) |
*INSTALL IN ACCORDANCE WITH LOCAL CODES.
*DRIP LEG AS REQUIRED
BY LOCAL CODES.
* ALL PIPING MATERIALS |
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TO BE SUPPLIED BY |
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CUSTOMERS. |
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TO VENT TERMINATION |
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ON ROOF |
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A | INSTALL THERMAL EXPANSION | |
TANK IF WATER HEATER IS | ||
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| INSTALLED IN A CLOSED | |
| WATER SYSTEM |
L | M | N |
B |
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D |
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| O | VACUUM RELIEF |
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| VALVE |
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| *INSTALL PER |
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| LOCAL CODES |
E |
| P |
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R
X
| Z |
| Q |
F |
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G |
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| DISCHARGE PIPE |
H |
| S | (DO NOT CAP OR PLUG.) |
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| V |
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| T |
I | U |
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| 6” MAXIMUM | |
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| AIR GAP |
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| FLOOR DRAIN |
W |
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| YY |
J | ZZ |
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| Y | K |
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(S) GAS CONTROL VALVE/THERMOSTAT
IMPORTANT:
WHEN BRUSHING ON AN 
APPROVED NONCORROSIVE 
LEAK DETECTION SOLUTION, 
DO NOT SPLASH SOLUTION
ONTO ELECTRICAL CON- 
NECTIONS (SEE PAGE 27). 
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| PRESSURE |
MANIFOLD TUBE |
| SWITCH/FAN, |
| FV SENSOR | |
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POWER SUPPLY | IGNITER/ | CONNECTOR |
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TRANSFORMER | FLAME |
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CONNECTOR | SENSE | DISPLAY, ANODE |
| CONNECTOR | ROD CONNECTOR |
(U) NATURAL GAS BURNER ASSEMBLY | ||
MANIFOLD DOOR GASKET |
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MANIFOLD COMPONENT | MANIFOLD DOOR ASSEMBLY | |
BLOCK W/ RETAINER CLIP |
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BURNER | IGNITER / FLAME SENSE | |
FLAME SENSE | CONNECTOR WIRE | |
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| MANIFOLD |
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HOT SURFACE | TUBE | IGNITER / FLAME SENSE |
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IGNITER |
| CONNECTOR WIRE |
MANIFOLD DOOR ASSEMBLY |
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BURNER |
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| MANIFOLD TUBE |
| VIEW PORT |
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IMPORTANT: DO NOT USE AN EXTENSION CORD TO CONNECT
THE WATER HEATER TO AN ELECTRICAL OUTLET.
FIGURE 1.
5