Please ensure Javascript is enabled for purposes of website accessibility
  • Sign In
  • Create an Account

Need Help?   Email:

Toggle Nav
Cart Icon Cart
Search
We ship to most places in continental USA
Chat with us
Need help
Our Locations

Rheem RTGH-90DVLN-2 Prestige 120 Input MBtu Low Nox Indoor Residential Natural Gas Tankless Water Heater - Direct Vent - 12 Year Warranty

SKU
RTGH90DVLN

Out of Stock
Click Here for Shipping Cost by Destination
Retail : $1,996.36 - $858.43 =
$1,137.93 You Save (43%)
180,000
Rheem RTGH-84DVLN-2 Prestige 157 Input MBtu Low Nox Indoor Residential Natural Gas Tankless Water Heater - Direct Vent - 12 Year Warranty
Selected
Rheem RTGH-90DVLN-2 Prestige 120 Input MBtu Low Nox Indoor Residential Natural Gas Tankless Water Heater - Direct Vent - 12 Year Warranty
180,000
Rheem RTGH-84DVLN-2 Prestige 157 Input MBtu Low Nox Indoor Residential Natural Gas Tankless Water Heater - Direct Vent - 12 Year Warranty
Selected
Rheem RTGH-90DVLN-2 Prestige 120 Input MBtu Low Nox Indoor Residential Natural Gas Tankless Water Heater - Direct Vent - 12 Year Warranty
Rheem RTGH-95DVLN-2 Prestige 199 Input MBtu Low Nox Indoor Residential Natural Gas Tankless Water Heater - Direct Vent - 12 Year Warranty
main product photo

Product details

Rheem RTGH-90DVLN-2 Prestige Indoor Condensing Ultra Low NOx Natural Gas Tankless Water Heater, 9.0 GPM

Product Features:

  • Low Nox version reduces the amount of emissions released during use for higher standards of clean operation
  • 8.4 GPM at a 45 degrees F temperature rise (up to 9.5 GPM at 35 degrees F)
  • 94% Energy Factor (EF) with efficient stainless steel condensing heat exchanger
  • 2-pipe direct vent system designed for up to 35-ft of 3-in PVC pipe or 5-ft of 2-in PVC pipe
  • Industry best 0.26 GPM minimum flow rate and 0.40 GPM minimum activation flow rate
  • Digital remote control (UMC-117) and 10-ft of thermostat wire included
  • EZ-link cable available for high demand applications to connect two tankless unites to operate as one
  • Manifold up to 6 units with an optional MIC-6 manifold control board
  • Manifold up to 20 units with the optional MIC-180 plus the MICS-180 manifold control assembly
  • High-altitude capability, up to 9,480-ft elevation above sea level without a chip
  • Exclusive Guardian OFW overheat film wrap
  • Continuous hot water, energy saving and compact space saving design
  • Intelligent electronic controls are designed to increase energy efficiency and safety
  • Self diagnostic system
  • Digital display shows temperature setting and maintenance codes
  • Built-in electric blower
  • Supplied with a 120V power cord
  • Environmentally friendly low Nox burner meets SCAQMD rule 1146 requirements
  • Freeze protection to -30 degrees F

Rheem Water Heater Prestige Series

blanco/Rheem_Prestige_Series_0

Rheem Prestige® Condensing Tankless Solutions – Energy Efficient Continuous Hot Water

    Efficiency
  • Up to .93 UEF with stainless steel condensing heat exchanger

    • Easy Installation and Service

  • NEW! 2" venting connections
  • NEW! Vent up to 150 ft with 3" PVC and 60 ft with 2" PVC
  • Built-in condensate neutralizer
  • 1/2" Gas line compatibility up to 24 ft.1
  • Exclusive! Maintenance Notice Setting – Alerts homeowner, after 500 hours of use, to call for service (optional)
  • Self-diagnostic system for easy installation and service
  • High-altitude capability – up to 8,400 ft. elevation above sea level2
  • Digital remote control now pre-wired! 10 ft. of thermostat wire included – shows temperature setting and service codes
  • Requires 120V power supply
    • Performance
  • Industry Leading! Low Flow Activation- Minimum flow rate of .26 GPM and minimum activation flow rate of .40 GPM ensures hot water even in low demand situations>
  • Recirculation Pump Kit-Ready- Providing faster hot water at the tap and savings of up to 12,000 gallons water/ year4
  • Exclusive! Hot Start Programming- Minimizes cold water bursts by staying in ready-fire state for back-to-back hot water needs
blanco/Rheem_Prestige_Series_5

Technology

  • EcoNet® Enabled- All Tankless products from 2010 to present can connect to EcoNet mobile app via Tankless EcoNet Accessory Kit (REWRA630TWH)
  • For higher demand applications, easily link multiple tankless units to operate as one system:

    – 2 Units: EZ Link cable

    – Up to 6 units: MIC-6 Control Board

    – Up to 20 units: MIC-185 plus MICS-180 manifold control assembly

blanco/Rheem_Prestige_Series_4

Superior Construction and Reliability

      Outdoor
    1. Stainless Steel Secondary Heat Exchanger
    2. All-Copper Primary Heat Exchanger
    3. Over Heat Film Wrap
    4. Electronic Spark Ignition
    5. 11,000 - 199,900 BTU/h Modulating Burner
    6. Electronic Control Board
    7. Condensate Neutralizer
    8. Variable Speed Fan
    9. Water Flow Control System
    10. Modulating Gas Valve
blanco/Rheem_Prestige_Series_3

EcoNet WiFi Include

Rheem Tankless Water Heater with EcoNet® WiFi Included

    Smart Home Features
  • Water leak detection alert and system shut off (indoor models only) – may qualify for insurance discounts
  • Mobile alerts for notifications/maintenance reminders
  • Mobile gas and water usage reports
  • Integration with smart home systems
    • Product Includes
  • Factory-installed translator
  • Leak detection cable (for indoor models)
  • WiFi Module, connection cable and power cord
Rheem
See All Rheem Products

Specification Sheet

Product Specifications User Manual
Basic Information
MPN ? Manufacturer Part Number RTGH-90DVLN-3
UPC / GTIN 020352628158
Manufacturer Rheem
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. Prestige
Dimensions and Measurements
Gallons Tankless
BTU Input 180,000
Weight ? Weight 83.00
Characteristics and Features
Water Heater Type Residential
Venting Type Direct Vent
Fuel Type Natural Gas
Energy Star Yes
More Like This
More from Rheem
  1. Rheem SP20172 FV Sensor Kit
    Rheem SP20172 FV Sensor Kit
    Retail : $59.47 - $30.03 =
    $29.44 You Save (50%)
    Add to Compare
  2. Rheem G100-200 Universal 100 Gallon, 199 Input MBtu - 80% AFUE - Commercial Natural Gas Water Heater - Standard Vent - 3 Year Warranty
    Rheem G100-200 Universal 100 Gallon, 199 Input MBtu - 80% AFUE - Commercial Natural Gas Water Heater - Standard Vent - 3 Year Warranty
    Retail : $10,335.00 - $2583.75 =
    $7,751.25 You Save (25%)
    Add to Compare
  3. Rheem RTG20240A Commercial Conversion Kit
    Rheem RTG20240A Commercial Conversion Kit
    Retail : $56.22 - $28.39 =
    $27.83 You Save (50%)
    Add to Compare
  4. Rheem G76-200 Commercial 76 Gallon, 199 Input MBtu Liquid Propane Water Heater
    Rheem G76-200 Commercial 76 Gallon, 199 Input MBtu Liquid Propane Water Heater
    Retail : $10,335.00 - $2583.75 =
    $7,751.25 You Save (25%)
    Add to Compare
Document

Click Here to Explore All Tankless Water Heaters

Related Categories

Expansion Tanks

Oil Storage Tanks

Tank Water Heaters

Tankless Water Heaters

Indirect Water Heaters

Point-of-use Water Heaters


By using this site you agree to our Terms, Conditions of Use and Privacy Statement © 2025 AF Supply Corp. All Rights Reserved.