New Arrivals/Restock

Rheem - RTGH-84XLP-2 - 8.4 GPM Outdoor Condensing Propane Tankless Water Heater

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Product details

Management number 203840379 Release Date 2025/10/20 List Price $356.40 Model Number 203840379
Category

Spec Sheet

Max GPM 8.4
Recirc Incl. No
Warranty 12 Yrs


Rheem Prestige® RTGH is a series of high efficiency condensing tankless gas water heaters designed for continuous hot water

Efficiency

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

Performance

  • 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 Leading 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)

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 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

Safety

  • 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

Specifications
Dimensions
Product Depth (in.) 9.75"
Product Height (in.) 27.5"
Product Width (in.) 18.5"
Details
Fuel Type Propane Gas
Install Location Outdoor
Primary Warranty 12 Yrs
Number Of Back To Back Showers ?
Max GPM 8.4
Number Of Bathrooms 3

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