A.O. Smith GPS-75 owner manual What to do if YOU Smell GAS, Do not TRY to Light the Burner by Hand

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FOR YOUR SAFETY READ BEFORE OPERATING

WARNING: If you do not follow these instructions exactly, a fire or

explosion may result causing property damage, personal injury or loss of life.

BEFORE OPERATING: ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM ALL LINES.

A.This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do NOT try to light the burner by hand.

B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor

because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS:

Do not try to light any appliance.

Do not touch any electric switch;

do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

C. Use only your hand to push in the gas control buttons. Never use tools. If the control buttons will not push in, don’t try to repair them, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D. Do not use this appliance if any part has been under water. Immediately contact a qualified installer or service agency to replace a flooded water heater. Do not attempt to repair the unit! It must be replaced!

OPERATING INSTRUCTIONS

1.STOP! Read the safety information above, on this label.

2.Set the thermostat to the lowest setting by first

pressing the COOLER and HOTTER buttons together and holding for 1 second. Then press the

COOLER button until the WARM indicator light appears.

3.Turn the “ON/OFF” switch on the blower control box to the “OFF” position.

4.This appliance is equipped with a device which automatically lights the burner.

DO NOT TRY TO LIGHT THE BURNER BY HAND.

5. Wait five (5) minutes to

clear out any gas.

If you then smell gas,

STOP! Follow “B”

in the safety information above on this label. If you don’t smell gas, go to the next step.

6.Turn on all electrical power to the appliance.

7.Set thermostat to desired setting by first pressing

the COOLER and HOTTER buttons together and holding for 1 second. Then press

the HOTTER button.

8.If the appliance will not operate, follow the instructions “TO TURN OFF GAS TO APPLIANCE” and call your technician or gas supplier.

9.WATER TEMPERATURE ADJUSTMENT

is approximately 120°F.

CAUTION: Hotter water increases the risk of scald injury. Consult the instruction manual before changing temperature.

WARNING: TURN OFFALL ELECTRIC

POWER BEFORE SERVICING

TO TURN OFF GAS TO APPLIANCE

1.Set thermostat to the lowest setting by first pressing the COOLER and HOTTER buttons together

and holding for 1 second. Then press the COOLER button until the WARM indicator light appears.

2.Set the ON/OFF switch on the blower control box to the “OFF” position.

3.Turn off all electric power to the appliance if service is to be performed.

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Contents Residential GAS Water Heaters GET to Know Your Water Heater Replacement Parts and Deliming ProductsChemical Vapor Corrosion External DamageExtended NON-USE Periods Improper CombustionInstallation Water Potable Heating and Space Heating Unconfined SpaceConfined Space Water ConnectionsRelief Valve Connection of GAS PipeVent Pipe Termination VentingPlanning the Vent System Vent Terminal INSTALLATION, Sidewall Installation of Vent SystemPreparation of Blower Assembly CondensatePower Vent Wiring Schematic Figure Installation of Vertical Vent System Installation of Vent SYSTEM, SidewallVent Pipe Preparation Initial PreparationPrimer Selection of MaterialsCement ApplicatorsTo Operate the Heater OperationStep E Step GDo not TRY to Light the Burner by Hand What to do if YOU Smell GASTemperature Regulation MaintenancePower Venter Maintenance High Temperature Limit SwitchMain Burner Venting SystemService and Repair Trouble ShootingCondensation Cathodic PROTECTION-ANODETroubleshooting Water Heater Control LED Status Problem Solution Trouble Shooting GuideConditions and Exceptions Limited Residential GAS WarrantyImportant Information Smith Water Products CO., INC

GPS-75 specifications

The A.O. Smith GPS-75 is a state-of-the-art gas water heater designed to deliver efficient and reliable hot water solutions to residential and light commercial users. With its sleek design and advanced technology, this unit stands out in the competitive water heating market.

One of the primary features of the GPS-75 is its impressive 75-gallon capacity, making it ideal for larger households or businesses that require a substantial volume of hot water. This water heater delivers a first-hour rating of up to 91 gallons, ensuring that you will always have enough hot water on demand, even during peak usage times.

The GPS-75 utilizes a high-efficiency gas burner that operates at an energy factor of 0.67, which helps to minimize energy costs while providing robust heating performance. This means that users can enjoy powerful hot water output without having to worry about skyrocketing energy bills. Additionally, the unit is equipped with a state-of-the-art electronic ignition system that ensures reliable startup and operation. This feature eliminates the need for a pilot light, enhancing safety and energy efficiency.

In terms of durability, the GPS-75 features a glass-lined interior which protects the tank from rust and corrosion. This adds to the unit's longevity and reduces the need for maintenance and replacement. The water heater also comes with insulating foam in the tank and a special temperature and pressure relief valve to enhance safety.

Another notable technology included in the GPS-75 is its advanced diagnostics feature. This system is designed to monitor and diagnose problems, allowing for quick troubleshooting and minimizing downtime. This is especially useful for service professionals and homeowners alike, as it facilitates efficient maintenance and reduces unexpected repair costs.

The GPS-75 also has an environmentally friendly design, meeting stringent energy efficiency guidelines. This aligns with the growing demand for sustainable solutions in modern homes and businesses.

In summary, the A.O. Smith GPS-75 gas water heater combines an impressive 75-gallon capacity, high efficiency, and advanced safety features to offer users a reliable and economical hot water solution. With its innovative technologies and durable construction, it stands as a strong contender in the water heating industry. Whether for residential or commercial use, the GPS-75 ensures that hot water is always available when needed.