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Rheem RTGH-84XLP-2 Propane Condensing Tankless Water Heater (Outdoor)

Special Price $899.00 Regular Price $999.00
In stock
Rheem RTGH-84XLP-2 Propane Condensing Tankless Water Heater (Outdoor) Rheem Tankless Tankless Water Heater RTGH-84XLP-2 On Sale at $899.0000 - the RTG-84 Series. Free Shipping Always and In Stock

Rheem RTGH-84XLP-2 Propane Condensing Tankless Water Heater


  • Up to .93 UEF -US
  • Up to .96 EF - Canada
  • With stainless steel condensing heat exchanger


  • Exclusive! Water Savings Setting – upon activation, this setting can save homeowners up to 1,100 gallons of water per year by decreasing the flow of water through the pipes until the temperature reaches the heater’s set temperature
  • 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
  • Exclusive! Hot Start Programming - Minimizes cold water bursts by staying in ready-fire state for back-to-back hot water needs 

Easy Installation and Service

  • Built-in condensate neutralizer
  • 1/2" Gas line compatibility up to 24 ft
  • Exclusive! Maintenance Notice Setting - Alerts homeowner, after 500 hours of use, to call for service check (optional)
  • Self-diagnostic system for easy installation and service
  • No venting required for outdoor models 
  • High-altitude capability – up to 8,400 ft. elevation above sea level 
  • Digital remote control and 10 ft. of thermostat wire included 
  • Supplied with a 120-volt power cord (indoor models only) 


  • EcoNet Enabled - all Tankless products from 2010 to present can connect to EcoNet mobile app via Tankless EcoNet Accessory Kit (REWRA630TWH) 
  • For higher demand application, 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

Environmentally Friendly Low Emissions

  • Ultra Low NOx burner meets SCAQMD rule 1146.2 requirements


  • Exclusive! Overheat Film Wrap - prevents dangerous temperatures and provides industry best side-to-side clearance of 1/2 inch
  • Industry Best! Freeze protection to -30°F
More Information
Weight 78.0000
Manufacturer Rheem
UPC 20352695167
GTIN 00020352695167
Generic Product Category Tankless Water Heater
Energy Source Propane
width 18 1/2
Height 27 1/2
Flow Rate @ 35 F Rise 8.4 GPM
Flow Rate @ 45 F Rise 6.6 GPM
Flow Rate @ 65 F Rise 4.4
Max Flow Rate GPM 8.4 GPM
Water Connection 3/4 Inch
Max Heating BTU 157,000

File Downloads

(Size: 781.5 KB)
Rheem RTGH Spec Sheet
(Size: 2.8 MB)
Rheem Tankless Family Brochure
(Size: 938.2 KB)
(Size: 16.7 MB)
Rheem High Efficiency Use and Care Manual
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