The Rheem RTG Tankless Water Heaters are a series of ultra low NOx, Mid-Efficiency Tankless Gas Water Heaters designed for continuous hot water.

Standard Features:

• 81 - .82 UEF with all-copper heat exchanger
• Intelligent electronic controls designed to increase energy efficiency and safety
• 1/2" Gas line compatibility up to 24ft.
• 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
• 3"/5" concentric vent system with Integrated condensate collector
• Connects to Metal Fab. Inc., 3"/5" concentric venting without an adapter
• High-altitude capability – up to 8,400 ft. elevation above sea level
• Digital remote control and 10 ft. of thermostat wire included
• 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:
• Low Emissions – Ultra low NOx burner meets SCAQMD rule 1146.2 requirements
• Maximum water temperature is 140°F. For higher temperature applications, upgrade kits are available
• Maximum Input Capacity 199900 BTU
• Minimum Input Capacity 11000 BTU
• Flow Rate at 40F Temperature Rise 9.5 GPM
• Flow Rate at 50F Temperature Rise 7.7 GPM
• Flow Rate at 60F Temperature Rise 6.4 GPM
• Flow Rate at 70F Temperature Rise 5.5 GPM
• Uniform Energy Factor 0.93
• Minimum Flow Rate 0.26 GPM
• Ultra Low NOx Emissions Yes
• Low NOx Emissions Yes

Dimensions:

• Primary Vent Pipe Diameter 2 Inches
• Gas Connection Size 3/4 Inch
• Cold Water Inlet 3/4 Inch
• Hot Water Outlet 3/4 Inch
• Product Height 27 1/2 Inches
• Product Width 18 1/2 Inches
• Product Depth 9 3/4 Inches
• Shipping Weight 77 Pounds