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Rheem RTG-64DVLN - 6.4 GPM Tankless Water Heater / Indoor / Natural Gas

Warranty: 12 Years

Availability: This item is no longer being carried.
Product Code: RHEEM-RTG-64DVN

Description Data Sheet

Rheem 6.4 GPM Tankless Water Heater

Imagine never running out of hot water again! Rheem tankless gas water heaters offer you the perfect solution to heat your water at home. Their innovative, energy efficient tankless products provide a continuous supply of hot water without needing much space.

Model RTG-64DVN / RTG-64DVLN
Series 64 Series
Manufacturer Rheem


Type Natural Gas Indoor
Dimensions 23-5/8" x 13-7/8" x 9-7/8"
Weight 54 lbs
Shipping Method Ground


Max Input 150,000 BTU
Min Input 11,000 BTU
Activation Flow 0.4 GPM
Capacity at 35 F Rise 6.4 GPM
Capacity at 45 F Rise 5.6 GPM
Capacity at 77 F Rise 3.3 GPM


  • 12 years heat exchanger
  • 5 years parts
  • 1 year labor


  • Next Generation Burner Technology
  • Industry best 0.26 GPM Minimum Flow Rate, 0.40 GPM Minimum Activation Flow Rate
  • UMC-117 remote control and 10 ft thermostat wire is included
  • EZ-Link cable available for high demand applications to connect two tankless units to operate as one
  • Manifold up to 6 units with an optional MIC-6 manifold control board
  • All Rheem models can be linked in up to 20 unit manifold installations by using the optional MIC-180 and MICS-180 manifold control assembly
  • High-altitude capability: up to 9,840 ft elevation above sea level, no chip required
  • Guardian OFW overheat film wrap
  • Third-party efficiency certified by GAMA
  • Continuous hot water, energy saving and compact, space saving design
  • Intelligent electronic controls 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 120 volt power cord
  • Environmentally friendly Low Nox burner meets SCAQMD rule 1146 requirements
  • Freeze protection to -30 F

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