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Rheem RTG-70DVLN-3 - User Manual

Rheem RTG-70DVLN-3
84 pages
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With Installation Instructions for the Installer
Noncondensing 199,900 Btu/h, 180,000 Btu/h,
and 160,000 Btu/h Models
Do not destroy manual. Please read carefully and
keep in a safe place for future reference.
CERTIFIED
R
Print 2D
Bar Code
Here
www.ahridirectory.org
ULTRA
Low NOx
Emissions
SCAQMD Rule 1146.2
WARNING:
If the information in these instructions is not
followed exactly, a fire or explosion may result,
causing death, personal injury, or property dam-
age.
For Your Safety!
• Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or
any other appliance. To do so may result in an
explosion or fire.
• Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
D
E
S
I
G
N
C
E
R
T
I
F
I
E
D
®
HIGH-EFFICIENCY NON-CONDENSING
TANKLESS WATER HEATER
USE AND CARE MANUAL
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 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.
• Do not return to your home until authorized by
the gas supplier or fire department.
AP22009 Rev 04

Table of Contents

Questions and Answers

  • T
    Thomas CopelandAug 10, 2025
    Why is my Rheem RTG-70DVLN-3 water not hot enough?
    • A
      Amanda MccormickAug 10, 2025
      If your Rheem Water Heater isn't producing hot enough water, the temperature setting may be too low. Try increasing the temperature setting using the remote control. Also, ensure the gas valve is fully opened. If the issue persists, the gas supply pressure might be low; contact your gas utility company or a gas contractor to check the gas meter and piping size. Finally, bleed-over in a hot water fixture could be the cause; in that case, contact a dealer or a qualified service technician.
  • K
    Kristina MartinAug 19, 2025
    What to do if Rheem RTG-70DVLN-3 Water Heater water is too hot?
    • A
      Andrew Chapman DDSAug 19, 2025
      If the water from your Rheem Water Heater is too hot, the temperature setting might be too high. Try decreasing the temperature using the remote control. Also, make sure the water shut-off valve is completely open. If only a small amount of water has been heated, increase the hot water flow at the faucet to allow more water to flow through the water heater.
  • T
    Travis EdwardsAug 30, 2025
    Why does the fan continue to rotate after the hot water faucet is closed on my Rheem RTG-70DVLN-3 Water Heater?
    • T
      teresa22Aug 30, 2025
      If the fan continues to rotate after closing the hot water faucet in your Rheem Water Heater, this is normal operation.

Summary

Important Safety Information

Safety Precautions

General safety warnings and precautions for operating the water heater.

Water Heater Venting Safety

Hazards and safety measures related to water heater venting systems.

Water Supply Safety

Safety guidelines regarding water temperature settings and supply conditions.

Natural Gas and Liquefied Petroleum Safety

Safety precautions for handling natural gas and LP gas.

Electrical Safety

Safety measures related to electrical connections and shock hazards.

General Installation and Maintenance Safety

Installation Instructions

Standards Compliance

Choosing a Location

Guidelines for selecting a safe and appropriate location for water heater installation.

Venting System Installation

Requirements and procedures for installing the venting system for direct-vent models.

Gas Supply and Piping

Electrical Wiring and Controls

Safety and compliance for electrical wiring, remote controls, and WiFi setup.

Using Your Water Heater

Activating and Operating the Water Heater

Setting the Water Temperature

Guidelines and warnings for setting the water temperature for safety and comfort.

Caring for Your Water Heater

Water Heater Inspections

Preventive Maintenance

Draining the Water Heater

Freeze Protection

Troubleshooting Chart

A chart to help diagnose and resolve common water heater problems.

Service Error Code Chart

A guide to understanding and resolving error codes displayed by the water heater.

Call for Assistance

Rheem RTG-70DVLN-3 Specifications

General IconGeneral
BrandRheem
ModelRTG-70DVLN-3
CategoryWater Heater
LanguageEnglish

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