A.O. Smith ARGSS02708 User Manual

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Instruction Manual

PRINTED 1207 197423-002

KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

POWER VENTED GAS MODELS W/HOT SURFACE IGNITION

NOT FOR USE IN MANUFACTURED (MOBILE) HOMES

ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS

PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.

RESIDENTIAL GAS WATER HEATERS

• For Your Safety •

AN ODORANT IS ADDED TO THE GAS USED

BY THIS WATER HEATER.

Ashland City, TN 37015

www.hotwater.com

Table of Contents

Questions and Answers:

E
emilywilkinsAug 6, 2025
How to fix an open ignitor circuit on A.O. Smith ARGSS02708 Water Heater?
- K
  Kimberly HebertAug 6, 2025
  If the Intelli-Vent™ control on your A.O. Smith Water Heater detects an open ignitor circuit, follow these steps: 1. Inspect the wiring to the hot surface ignitor. Replace the ignitor assembly if the wiring is damaged or worn. 2. Ensure the ignitor assembly plug and the socket on the Intelli-Vent™ body have a secure connection. Replace the ignitor assembly or control if needed. 3. Measure the ignitor's resistance at the plug end at room temperature (77ºF or 25°C). Replace the ignitor if the resistance is not between 11.5 and 18.8 ohms. 4. If the above tests pass and the error continues, replace the Intelli-Vent™ control.
M
Matthew PrattAug 14, 2025
What to do if pressure switch circuit remains closed on A.O. Smith ARGSS02708 Water Heater?
- S
  Shannon AndersonAug 14, 2025
  If the pressure switch circuit remains closed for more than 5 seconds after the heating cycle begins on your A.O. Smith Water Heater, and the blower isn't starting, here's what you should do: 1. Check that the air pressure switch circuit wiring is correct and that the air pressure switch is not jumpered. 2. Turn off the power to the water heater, then check the continuity of the air pressure switch contacts with the wires disconnected. * If the pressure switch contacts show continuity (closed circuit), replace the pressure switch. * If the pressure switch contacts are open and all wiring is correct, turn the power off for 10-20 seconds, then turn it back on to clear the error code. If the error persists, replace the Intelli-Vent™ control.

A.O. Smith ARGSS02708 Specifications

General

Brand	A.O. Smith
Model	ARGSS02708
Category	Water Heater
Language	English

Summary

SAFE INSTALLATION, USE AND SERVICE

GENERAL SAFETY WARNINGS

Fire and Explosion Hazard Prevention

Details precautions against fire or explosion from flammable vapors, improper gas handling, and general fire risks.

Burn and Scald Hazard Prevention

Warns about severe burns from hot water and identifies at-risk groups requiring special care.

Explosion Hazard - Relief Valve

Alerts to the risk of water tank explosion due to overheating and the necessity of a properly installed relief valve.

Flammable Vapor Hazard Warnings

Details precautions against fire or explosion from flammable vapors and improper gas handling.

TYPICAL INSTALLATION OVERVIEW

TYPICAL INSTALLATION DETAILS

TYPICAL INSTALLATION DETAILS (Continued)

LOCATING THE NEW WATER HEATER

Location Factors and Safety Hazards

Discusses site selection, clearance, and critical safety hazards like fire, explosion, and flammable vapors related to placement.

COMBUSTION AIR AND VENTILATION METHODS

INSTALLING THE NEW WATER HEATER

Water Piping Installation and Safety

INSTALLING THE NEW WATER HEATER - COMPONENTS

Temperature-Pressure Relief Valve Installation

Details the importance, installation, and operation of the T&P relief valve to prevent explosion hazards and ensure safety.

INSTALLING THE NEW WATER HEATER - GAS PIPING

Gas Piping Installation Requirements

Covers gas supply types, piping compliance, shut-off valves, drip legs, leak testing, and high-altitude considerations.

INSTALLING THE NEW WATER HEATER - SYSTEM PREP

Filling the Water Heater Tank

Provides step-by-step instructions for filling the water heater tank with water before operation to prevent damage.

PLANNING THE VENT SYSTEM

Vent Terminal Location and Clearances

Details U.S. and Canadian horizontal vent clearances and rules for vent termination locations to ensure safe exhaust.

PLANNING THE VENT SYSTEM - PIPE LENGTHS

Condensate Management and Drainage

INSTALLATION OF VENT SYSTEM - BLOWER

INSTALLATION OF VENT SYSTEM - SIDEWALL

Sidewall Vent Terminal Installation Steps

Provides detailed steps for installing the vent terminal through a sidewall, including masonry and wooden wall procedures.

INSTALLATION OF VENT SYSTEM - VERTICAL

Sidewall Vent Installation Completion

Guides the completion of sidewall vent system installation, including pipe support and joining procedures for safe exhaust.

Vertical Vent System Installation Requirements

Details requirements for installing the vent system vertically through a roof, including clearances and proper support.

VENT PIPE PREPARATION AND JOINING

Making the Vent Pipe Joint

Guides the user through cutting, preparing, and joining vent pipes using primer and cement for a secure connection.

OPERATING THE WATER HEATER

Safety Checks Before Operation

Crucial safety warnings and procedures to follow before operating, including gas checks and water purging.

Initial Start-Up Procedure

TEMPERATURE REGULATION AND SCALD PREVENTION

TROUBLESHOOTING GUIDELINES

Intelli-Vent Control Troubleshooting Chart

TROUBLESHOOTING GUIDELINES - ERROR CODES

Intelli-Vent Control Error Code Resolution

TROUBLESHOOTING GUIDELINES - COMMON PROBLEMS

Common Operational Problems and Solutions

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