GET TO KNOW YOUR WATER HEATER

REPLACEMENT PARTS AND DELIMING PRODUCTS

Replacement parts and recommended delimer may be ordered through authorized servicers or distributors. Refer to the Yellow Pages for where to call or contact the A.O. Smith Water Products Company, 125 Southeast Parkway, Franklin, TN 37068, 1-800-433-2545. When ordering parts, provide complete model and serial numbers (see rating plate), quantity and name or part desired (as listed in Figure 1). Standard hardware items may be purchased locally.

A

VENT PIPE-EXHAUST

L

UNION

B

ANODE

M

INLET WATER SHUT

C

HOT WATER OUTLET

 

OFF VALVE

D

OUTLET (115 V. AC)

N

COLD WATER INLET

E

FLUE BAFFLE

O

INLET DIP TUBE

F

GAS SUPPLY

P

TEMPERATUREAND

G

MAIN MANUAL GAS

 

PRESSURE RELIEF VALVE

 

SHUT OFF VALVE

Q

RATING PLATE

H

GROUND JOINT UNION

R

INSULATION

S

VENT TERMINAL EXHAUST

J

DIRT LEG

T

DRAIN VALVE

K

OUTER DOOR

U

HSI ASSEMBLY

 

 

 

 

V

FLUE

 

 

W

DRAIN PAN

 

 

X

GAS VALVE

 

 

Y

CONTROL HARNESS

 

 

Z

INTAKE AIR PIPE

 

 

AA

VENT TERMINAL INTAKE

 

 

BB

INNER DOOR

 

 

CC

BURNER ASSEMBLY

CERTAIN MODELS ARE EQUIPPED

WITH SIDE PLUMBING

CONNECTIONS FOR SPACE

HEATING. HOT AND COLD FITTING ASSEMBLIES PART NO. 900126-2.

TEMPERATURE INDICATORS

X TEMPERATURE ADJUSTMENT BUTTONS

TYPICAL NATURAL GAS PILOT

& MAIN BURNER

U

CCHOT SURFACE

IGNITION ASSEMBLY

U

*CAUTION: 115VAC IN CONTROL HARNESS AND INSIDE JACKET

GAS MODEL

GPDH/GPDT/GPDX

WITH HOT SURFACE IGNITION

FIGURE1.

2

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A.O. Smith GPDT, GPDX, GPDH owner manual With HOT Surface Ignition, Replacement Parts and Deliming Products, GAS Model

GPDT, GPDH, GPDX specifications

A.O. Smith is a renowned leader in the manufacturing of water heating solutions, and its series of gas water heaters, including the GPDT, GPDH, and GPDX models, are emblematic of the company’s commitment to innovation, efficiency, and reliability.

The A.O. Smith GPDT series is characterized by its high energy efficiency and robust design. With a 40-gallon capacity, it utilizes a 0.67 energy factor, making it an ideal choice for both residential and light commercial applications. This model features a unique combustion system that minimizes emissions while maximizing hot water output. Equipped with a powered draft system, the GPDT series effectively vents combustion gases, improving air quality and lowering operational costs.

In contrast, the GPDH series is particularly notable for its compatibility with high-efficiency gas appliances. It employs a direct vent system, allowing for versatile installation options. The GPDH models also include advanced diagnostics and a LED display that simplifies monitoring and maintenance. With an enhanced insulation design, these heaters minimize heat loss, effectively optimizing performance and energy savings.

The GPDX series capitalizes on cutting-edge technologies to provide superior performance. With capacities ranging from 30 to 50 gallons, these water heaters are designed to meet varying needs. The GPDX is equipped with a dual-purpose valve that offers superior temperature control and safety features, ensuring user convenience and peace of mind. Its intuitive interface allows users to easily set their desired water temperature and monitor performance metrics.

One of the key characteristics that unify the GPDT, GPDH, and GPDX models is their commitment to durability. A.O. Smith incorporates high-quality materials and innovative engineering processes to enhance the longevity of their products. Each model features an impressive warranty, demonstrating the company’s confidence in their craftsmanship.

In conclusion, A.O. Smith's GPDT, GPDH, and GPDX gas water heater series offer a blend of efficiency, performance, and innovation. These models are equipped with advanced technologies designed to provide users with reliable hot water solutions while minimizing energy consumption. With their robust build, user-friendly features, and impressive warranties, A.O. Smith continues to be a top choice for those seeking dependable gas water heating solutions.