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A.O. Smith G6-PVT4050NV User Manual

A.O. Smith G6-PVT4050NV
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Installaon Instrucons and
Use & Care Guide
Keep this manual in the pocket on heater for future reference whenever maintenance, adjustment or service is required.
Retain your original receipt as proof of purchase.
DO NOT RETURN THIS UNIT TO THE STORE
Read this manual and the labels on the water heater before you install,
operate, or service it. If you have diculty following the direcons, or
aren’t sure you can safely and properly do any of this work yourself:
Call your Local plumbing supplies store to have this water heater installed.
Professional Installaon is available for this product and the work is guaranteed.
Schedule an appointment with a qualied person to install your water heater.
• Call our Technical Assistance Hotline which is listed on the water heater’s
warranty sheet. We can help you with installaon, operaons, troubleshoong,
or maintenance. Before you call, write down the model and serial number from
the water heater’s data plate.
Incorrect installaon, operaon, or service can damage the water heater, your
house and other property, and present risks including re, scalding, electric shock,
and explosion, causing serious injury or death.
Residenal Gas
Water Heater
Residenal Direct Vented Gas Water Heater
Not for use in Manufactured (Mobile) Homes
100369451_2000626161_REV.A
Do not store or use gasoline or other
ammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch;
do not use any phone in your build-
ing.
Immediately call your gas supplier
from a neighbors phone. Follow the
gas suppliers instrucons.
If you cannot reach your gas suppli-
er, call the re department.
Installaon and service must be per-
formed by a qualied installer, service
agency or the gas supplier.
WARNING: If the informaon in
these instrucons is not followed
exactly, a re or explosion may
result causing property damage,
personal injury or death.
LOW LEAD
C
O
NTENT
June, 2023
Table of Contents
Important Safety Informaon .................................................. 3
Geng Started ........................................................................ 7
Installaon ............................................................................. 15
Operaon .............................................................................. 24
Troubleshoong .................................................................... 26
Maintenance ......................................................................... 30
Repair Parts ........................................................................... 33
Notes .................................................................................. 35

Questions and Answers:

A.O. Smith G6-PVT4050NV Specifications

General IconGeneral
BrandA.O. Smith
ModelG6-PVT4050NV
CategoryWater Heater
TypePower Vent
Capacity50 gallons
Energy Factor0.67
Fuel TypeNatural Gas
Warranty6 years
BTU Input40, 000 BTU
VentingPower Vent
Recovery Rate41 gallons per hour

Summary

Installation Instructions and Use & Care Guide

DO NOT RETURN THIS UNIT TO THE STORE

Instructions on where to get support instead of returning the unit.

COMPLETED INSTALLATION (TYPICAL)

IMPORTANT SAFETY INFORMATION

Important Information to Keep

Section for recording key maintenance and ownership details.

Safety Alert Symbols and Definitions

Explains DANGER, WARNING, CAUTION, and NOTICE symbols for hazard identification.

Installation and Maintenance Risks

Covers lifting, explosion risks, gas pressure, and general installation hazards.

Operation Risks and Temperature Variations

Details scalding risks, temperature fluctuations, and the impact of usage patterns.

Fire and Explosion Hazards

Addresses risks from flammable vapors, improper installation environments, and potential explosions.

Water Contamination and Vent Burn Risks

Discusses risks of water contamination and burns from hot venting systems.

GETTING STARTED

Pre-Installation Review and Code Compliance

Emphasizes reviewing instructions and ensuring compliance with local codes.

Tools, Supplies, and Recommended Accessories

Lists necessary tools, supplies, and optional accessories for installation.

Combustion and Ventilation Air Supply Requirements

Details requirements for adequate air supply for combustion and ventilation.

Venting System Installation and Clearances

Covers vent system installation, clearances, and termination requirements.

Vent Assembly and Connections

Guides on assembling vent components, safety covers, and making connections.

Vent Restricter Plate and Tubing Handling

Explains the use of vent restrictor plates and handling corrugated tubing.

Offset and High Vent Arrangement Options

Discusses alternative vent pipe arrangements like offset and high vent installations.

Replacing Existing Vent Termination Hoods

Guidance on retrofitting new water heaters to existing vent termination hoods.

Confined Space Installation and Gas Piping

Addresses installation in confined spaces and proper gas piping procedures.

Space Heating Application Considerations

Details on using the water heater for combination space heating and potable water.

INSTALLATION

Verify Home Plumbing and Code Readiness

Checks plumbing system against current codes and recommends accessories.

Water Pressure and Thermal Expansion Management

Addresses managing water pressure and thermal expansion for system protection.

Preventing Leaks and Regulating Water Temperature

Discusses preventing leaks, installing drain pans, and regulating water temperature.

Location Verification and Old Heater Removal

Guidelines for selecting a safe location and removing the old water heater.

Installing the New Water Heater Unit

Procedures for positioning and installing the new water heater unit.

T&P Relief Valve and Discharge Pipe Installation

Instructions for installing the Temperature and Pressure Relief Valve and its discharge pipe.

Shut-Off and Thermostatic Mixing Valve Installation

Details on installing shut-off valves and thermostatic mixing valves at points of use.

Water Supply Connections

Connecting the cold and hot water supply lines, including copper pipe specifics.

Tank Filling, Vent Pipe, and Gas Connections

Steps for filling the tank, installing the vent, and making gas connections.

Pre-Lighting Installation Checklist

A comprehensive checklist of all installation steps to be completed before lighting.

OPERATION

Lighting the Pilot and Main Burner

Detailed steps for safely lighting the pilot and main burner.

Emergency Shutdown and Vent System Check

Procedures for emergency shutdown and checking the vent system for obstructions.

Temperature Adjustment and Operating Modes

How to adjust water temperature and understand Standard/Vacation modes.

TROUBLESHOOTING

No Hot Water Diagnosis

Step-by-step guide to diagnose and resolve issues with no hot water.

Insufficient Hot Water or Slow Recovery

Identifies causes and solutions for low hot water volume or slow reheating.

Plumbing Leaks, Sediment, and Water Odor

Addresses leaks, sediment buildup, and "rotten egg" smells.

Temperature, Pressure, and T&P Valve Issues

Troubleshoots high temperatures, low pressure, T&P valve drips, and thermal expansion problems.

Status Light and Diagnostic Codes

Interprets LED status lights and diagnostic codes for troubleshooting.

MAINTENANCE

Routine Maintenance and Tank Flushing

General maintenance advice, including draining and flushing the tank.

Anode Rod Inspection and Tank Refilling

Instructions for inspecting the anode rod and refilling the tank.

Visual Inspection and T&P Valve Maintenance

Performing visual checks and maintaining the T&P Relief Valve.

Gas Control Valve Removal and Replacement

Detailed steps for removing and replacing the gas control valve/thermostat unit.

REPAIR PARTS

Repair Parts List and Diagrams

A comprehensive list of available replacement parts with item numbers and diagrams.

NOTES

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