Skip to content
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

Mid Efficiency 8.4 GPM Outdoor Natural Gas EcoNet Enabled Tankless Water Heater with 12 Year Limited Warranty

Overview

Rheem RTG is a series of ultra low NOx, mid-efficiency tankless gas water heaters designed for continuous hot water

Efficiency

  • .81 UEF -US
  • With all -copper heat exchanger

Performance

  • EcoNet Enabled - all Tankless products from 2010 to present can connect to EcoNet mobile app via Tankless EcoNet Accessory Kit (REWRA630TWH)
  • Exclusive! Water Savings Setting – upon activation, this setting can save homeowners up to 1,100 gallons of water per year by reducing flow at the tap unitl set temperature is achieved (optional)
  • Industry Best! Low Flow Activation - Minimum flow rate of .26 GPM and minimum activation flow rate of .40 GPM ensures the user will receive 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/year

Easy Installation and Service

  • 1/2" Gas line compatibility
  • Exclusive! Maintenance Notice Setting - Alerts homeowner, after 500 hours of use, to call for service check (optional)
  • 3"/5" concentric vent system with Integrated condensate collector
  • Connects to Metal Fab. Inc., 3"/5" concentric venting without an adapter

Technology

  • For higher demand applications, accessories available to link multiple units in a load-sharing system

High Altitude Compliant

  • High-altitude capability – up to 8,400 ft. elevation above sea level

Low Emissions

  • Environmentally Friendly ultra low NOx burner meets SCAQMD rule 1146.2 requirements

Safety

  • Exclusive! Guardian OFW™overheat film wrap - prevents dangerous temperatures and provides industry best side-to-side clearance of 1/2 inch
  • Exclusive! Hot Start Programming - Minimizes cold water bursts by staying in ready-fire state for back-to-back hot water needs

Plus…

  • Digital remote control and 10 ft. of thermostat wire included
  • Requires 120V power supply (indoor models only)
  • Industry Best! Freeze protection to -30°F
  • Maximum water temperature is 140°F. For higher temperature applications, upgrade kits are available
Max GPM8.4
Recirc Incl.No
Warranty12 Yrs
  • .81 UEF -US
  • With all -copper heat exchanger
  • 11,000 - 180,000 BTU max.
  • 8.4 gal./min. at 35° F rise max.
  • 6.7 gal./min. at 45° F rise max.
Details
Fuel Type Natural Gas
UEF 0.81
Install Location
Outdoor
Primary Warranty 12 Yrs
Low Nox Yes
Number Of Back To Back Showers ?
High Altitude Compliant Yes
Water Savings Setting Included Yes
Max GPM 8.4

Energy Factor:
0.81

Application:
3 Showers

Residential

Installation Type:
Outdoor Only

Fuel Type:
Natural Gas

Energy Star Rated:
Yes

Vent Type:
Direct Vent

Temperature Range (F):
85°F - 140°F

Flow Range (GPM):
0.26 - 0.40

Voltage:
120v



Warranty:
12 Year Limited on Heat Exchanger/ 5 Year on Parts

BTU (Max):
180000

BTU (Min):
11000

Type:
Non-Condensing

Flow Rate at 40F Temp Rise (GPM):
7.8

Flow Rate at 50F Temp Rise (GPM):
6.1

Flow Rate at 60F Temp Rise (GPM):
5.1

Flow Rate at 70F Temp Rise (GPM):
4.3

Hot Water Outlet (NPTF):
3/4"

Gas Connection:
3/4"

Cold Water Inlet (NPTM):
3/4"

Height (Inches):
25-5/8"

Width (Inches):
13-7/8"

Depth (Inches):
9.875"

Blog posts

  • 5 Ways to Use a Snow-Melting System
    September 30, 2023

    5 Ways to Use a Snow-Melting System

    While snow-melting systems might seem like an extravagance, their multi-faceted applications and their long-term benefits make them a judicious investment. They add value to your property and significantly improve the quality of your life during winter
    Read now
  • Winter Preparedness with Snow Melt Mats
    September 27, 2023

    Winter Preparedness with Snow Melt Mats

    As winters become more unpredictable, reliable and efficient snow removal solutions are critical. Snow melting systems offer a modern, safe, and environmentally friendly alternative to traditional snow removal methods.
    Read now

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare