Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith FPSH - 75 External Damage, Chemical Vapor Corrosion, Extended NON-USE Periods

Models: FPSH - 75

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GENERAL SAFETY INFORMATION

EXTERNAL DAMAGE

Do not operate the water heater until it has been fully checked out by a qualified technician, if the water heater:

•Has been exposed to fire or damage.

•Displays evidence of sooting.

•Produces steam or unusually hot water.

If the water heater has been subject to flooding it must be replaced.

CHEMICAL VAPOR CORROSION

WARNING

CORROSION OF THE FLUEWAYS AND VENT SYSTEM MAY OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN CHEMICAL VAPORS. SUCH CORROSION MAY RESULT IN FAILURE AND RISK OF ASPHYXIATION.

Spray can propellants, cleaning solvents, refrigerator and air conditioning refrigerants, swimming pool chemicals, calcium and sodium chloride (water softener salt), waxes, and process chemicals are typical compounds which are potentially corrosive.

Do not store products of this sort near the heater. Also, air which is brought in contact with the heater should not contain any of these chemicals. If necessary, uncontaminated air should be obtained from remote or outside sources. The limited warranty is voided when failure of water heater is due to a corrosive atmosphere. (See limited warranty for complete terms and conditions).

LP gas must be used with great caution. It is highly explosive and heavier than air. It collects first in the low areas making its odor difficult to detect at nose level. If LP gas is present or even suspected, do not attempt to find the cause yourself. Go to a neighbor's house, leaving your doors open to ventilate the house, then call your gas supplier or service agent. Keep area clear until a service call has been made.

At times you may not be able to smell an LP gas leak. One cause is odor fade, which is a loss of the chemical odorant that gives LP gas its distinctive smell. Another cause can be your physical condition, such as having a cold or a diminishing sense of smell with age. For these reasons, the use of a propane gas detector is recommended.

IF YOU EXPERIENCE AN OUT-OF-GAS SITUATION, DO NOT TRY TO RELIGHT APPLIANCES YOURSELF. Ask your LP delivery person to relight pilots for you. Only trained LP professionals should conduct the required safety checks in accordance with industry standards.

EXTENDED NON-USE PERIODS

WARNING

HYDROGEN GAS CAN BE PRODUCED IN A HOT WATER SYSTEM SERVED BY THIS HEATER THAT HAS NOT BEEN USED FOR A LONG PERIOD OF TIME (GENERALLY TWO WEEKS OR MORE). HYDROGEN GAS IS EXTREMELY FLAMMABLE. To reduce the risk of injury under these conditions, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system. If hydrogen is present, there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow. THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN.

IMPROPER COMBUSTION

WARNING

ATTIC AND/OR EXHAUST FANS OPERATING ON THE PREMISES WITH A WATER HEATER CAN RESULT IN CARBON MONOXIDE POISONING AND DEATH.

OPERATION OF THESE FANS CAN PRODUCE A NEGATIVE DRAFT IN THE AREA OF THE WATER HEATER PREVENTING THE PRODUCTS OF COMBUSTION FROM EXHAUSTING THROUGH THE VENT PIPE.

The venting of the water heater should be inspected by a qualified service technician at the time of installation and periodically thereafter to ensure a down-draft condition does not exist.

DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATING AIR. ADEQUATE AIR FOR COMBUSTION AND VENTILATION MUST BE PROVIDED FOR SAFE OPERATION.

LIQUID PETROLEUM MODELS

WARNING

Water heaters for propane or liquefied petroleum gas (LPG) are different from natural gas models. A natural gas heater will not function safely on LP gas and no attempt should be made to convert a heater from natural gas to LP gas.

INSULATION BLANKETS

Insulation blankets available to the general public for external use on gas water heaters are not necessary with A.O. Smith products. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. Your A.O. Smith water heater meets and exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements, making an insulation blanket unnecessary.

WARNING

Should you choose to apply an insulation blanket to this heater, you should follow these instructions (See Figure 1 for identification of components mentioned below). Failure to follow these instructions can restrict the air flow required for proper combustion, potentially resulting in fire, asphyxiation, serious personal injury or death.

•Do not cover the gas valve or temperature & pressure relief valve.

•Do not allow insulation to come within 2" of the dilution air inlet on the blower, to prevent blockage of the dilution air.

•Do not allow insulation to come within 2" of the floor to prevent blockage of combustion air flow to the burner.

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A.O. Smith FPSH - 75 owner manual External Damage, Chemical Vapor Corrosion, Extended NON-USE Periods, Improper Combustion
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FPSH - 75 specifications

The A.O. Smith FPSH-75 is a prominent model in the lineup of water heaters offered by A.O. Smith, a company renowned for its innovative approach to water heating solutions. This residential water heater is designed to meet the demands for both efficiency and performance, making it a popular choice for households seeking reliable hot water supply.

One of the standout features of the FPSH-75 is its impressive 75-gallon capacity, which is suitable for larger households or properties that require high volumes of hot water. This feature ensures that multiple fixtures can be used simultaneously without the worry of running out of hot water. Additionally, the unit is equipped with a powerful heating element that provides rapid heating, making it efficient for quick recovery times even during peak usage.

The FPSH-75 utilizes advanced insulation technology to minimize heat loss, which enhances energy efficiency. This means that the water heater can maintain the desired water temperature while consuming less energy. As a result, homeowners can enjoy significant savings on their energy bills, all while benefiting from consistent hot water availability.

This model is also designed with user-friendly controls, allowing homeowners to set and adjust their water temperature preferences easily. The intuitive interface ensures that users can operate the unit without hassle, optimizing their water heating experience.

Safety is also a critical consideration in the design of the FPSH-75. It comes with built-in safety features, including a temperature and pressure relief valve, which helps prevent potential hazards associated with overheating and excessive pressure buildup. Moreover, the durable construction of the tank is engineered to withstand corrosion, extending the lifespan of the water heater.

Installation is made convenient with the FPSH-75, as it is compatible with various plumbing setups, making it adaptable for a range of home designs. The model has been certified for meeting the industry standards, ensuring reliability and peace of mind for end-users.

In summary, the A.O. Smith FPSH-75 is an exceptional water heating solution, ideal for families and homes needing robust hot water delivery. Its combination of high capacity, energy efficiency, user-friendly controls, and safety features make it a top contender among residential water heaters, ensuring that homeowners can enjoy comfort and convenience without compromise.