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melissa99Sep 13, 2025
What causes vent gas odors from A.O. Smith BL-80 Water Heater?
- YyhallSep 13, 2025
Vent gas odors from your A.O. Smith water heater can be caused by a lack of supply air. Contact a service technician to determine the cause.
To Next PageTo Next PageWhat causes vent gas odors from A.O. Smith BL-80 Water Heater?
Vent gas odors from your A.O. Smith water heater can be caused by a lack of supply air. Contact a service technician to determine the cause.
Explains the safety alert symbol and the meanings of DANGER, WARNING, and CAUTION.
Lists AHRI, Low Lead Content, and UL certifications for the water heater.
Warns about burn risks from hot water and provides scald prevention measures.
Details safety measures against fire, explosion, and gas leaks.
Addresses carbon monoxide risks and the importance of adequate ventilation.
Lists precautions to avoid property damage related to water heater operation.
Lists abbreviations used and defines requirements for qualified installers.
Outlines the initial steps required before performing the installation.
Provides essential physical dimensions for planning the installation.
Details water heater recovery rates for various temperature rises.
Discusses thermometer installation and hot water burn risks.
Guides on choosing locations and preventing property damage from leaks.
Warns about fire/explosion hazards in areas with flammable vapors.
Addresses CO hazards and requirements for installations at high altitudes.
Specifies minimum clearances from combustible materials for safety.
Emphasizes CO risks and the need for outdoor combustion air.
Provides instructions and warnings for installing insulation blankets.
Suggests water softening for hard water conditions to protect equipment.
Shows electrical hookup diagrams for circulation pumps.
Details low and high pressure gas supply system requirements.
Specifies minimum and maximum gas pressure requirements for models.
Instructs on the proper use and installation of gas supply regulators.
Warns about burn risks and scald prevention with mixing valves.
Guides on selecting and installing mixing valves for temperature control.
Warns against connecting to non-potable water systems.
Clarifies suitability for potable and space heating applications.
Explains closed water systems and their implications for thermal expansion.
Details the effects of thermal expansion in closed systems.
Warns about explosion risks related to temperature-pressure relief valves.
Specifies requirements for T&P valve rating, sizing, and certification.
Covers discharge piping, burn hazards, and safe operation testing.
Advises to fill the tank before operation to prevent damage.
Detailed steps for correctly filling the water heater tank.
Reiterates CO risks and the necessity of adequate fresh air.
Defines spaces and specifies air requirements for each.
Explains how direct vent appliances and exhaust fans affect air supply calculations.
Factors affecting opening size and methods for calculating required air openings.
Details air intake requirements through two horizontal ducts.
Details air intake requirements through two vertical ducts.
Discusses air intake requirements from adjacent indoor spaces.
Reinforces carbon monoxide risks related to improper venting.
Discusses the use, certification, and removal of vent dampers.
Guides on correct vent pipe diameter and installation practices.
Specifies clearances required between vent pipes and combustible materials.
Warns about carbon monoxide escape due to improper venting.
Warns about fire and explosion risks associated with gas piping.
Provides tables for sizing gas supply lines based on input and length.
Details installation, leak testing, and pressure testing of gas piping.
Illustrates sediment trap installation and gas control valve connection.
Explains the installation and function of sediment traps in gas lines.
Reiterates fire/explosion risks from gas line contaminants.
Provides crucial safety warnings before attempting to light the unit.
Step-by-step instructions for responding to a gas leak.
Detailed step-by-step guide for lighting the pilot light.
Warns about increased scald risk with hotter water settings.
Warns about burn hazards and scald prevention measures.
Guides on adjusting thermostat settings and using mixing valves.
Discusses initial conditions upon starting the water heater.
Explains the causes and effects of condensation in the water heater.
Details how to check gas input rate and compare to rating plate.
Explains causes of smelly water and potential solutions.
Discusses hydrogen gas risks at hot water faucets and precautions.
Explains the automatic high temperature shut-off feature.
Guides on inspecting the venting system for safety and proper function.
Details how to inspect and clean the burner assembly.
Recommends regular cleaning around the water heater base.
Explains anode rod's role in corrosion protection and inspection.
Advises on preventing water heater damage during maintenance.
Details T&P valve testing procedures and associated risks.
Covers T&P valve requirements and explosion hazards.
Discusses lime deposits and their removal from tanks.
Recommends UN LIME and provides part numbers for deliming.
Details tank cleaning and preparation for the deliming process.
Instructions for preparing and using the deliming transfer kit.
Warns about burn risks during draining operations.
Procedure for draining the water heater tank.
Procedure for flushing the water heater tank.
Identifies common sources of water leaks in the water heater.
Provides steps to check and fix leaks at threaded connections.
Solutions for water leaks and T&P valve problems.
Solutions for pilot not lighting or burner not staying lit.
Solutions for not enough hot water, too hot, and unusual sounds.
Solutions for sooting and vent gas odors.
Illustrates a suggested piping configuration for a single unit.
Piping diagram for a unit with a vertical storage tank.
Piping diagram for a unit with a horizontal storage tank.
Piping diagram for a unit with a mixing valve and two temperatures.
Piping diagram illustrating two single-flue units.
Piping diagram for two units with pre-heater/booster configuration.
Outlines coverage for tank leaks and part failures.
Details what is covered under the limited warranty terms.
Lists exclusions from the warranty coverage.
Specifies limitations and disclaimers of the warranty.
Provides information for contacting service support and required details.
General| Brand | A.O. Smith |
|---|---|
| Model | BL-80 |
| Category | Water Heater |
| Language | English |
