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Rheem Products

Rheem RTG64DVN

RTG64DVN Indoor Whole House Tankless Water Heater, 6.4 GPM, Natural Gas


Items that are currently in-transit to our warehouse, are currently in-stock at a drop-ship vendor’s, or manufacturer's warehouse will be marked as "Available". These products will ship once your order is processed (usually within 24-48 business hours). For any exceptions to this timeframe, an ETA (Estimated Time of Arrival) for your order will be emailed with accurate shipping dates in order to ensure that you are always updated and informed as to when your order will arrive at its final destination.

Quick Specs: View More

  • Width: 13.875"
  • Height: 25.625"
  • Depth: 9.875"

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Discontinued No longer available.

Rheem Tankless is about one third the size of a conventional water heater. Sophisticated technology has reduced the size and increased the features and benefits. A digital display makes setting a precise water temperature, or monitoring the unit's status, a snap! Its compact size will leave room for a water softener or extra storage. Available at AppliancesConnection


  • Minimum flow rate of .26 GPM, .40 GPM minimum activation flow rate
  • UMC-117 remote control and 10-foot of thermostat wire included
  • Vent termination kit required, 150,000 BTU
  • Eligible for federal tax credits for energy efficiency
  • Meets low Nitrogen Oxide emission standards


  • Depth:  9.875"
  • Direct Vent:  Yes
  • Duct Size:  3" x 5"
  • Energy Star:  Yes
  • Gas Connection:  0.75
  • Hardwired:  Yes
  • Height:  25.625"
  • Ignition Type:  Electronic
  • Indoor Installation:  Yes
  • Low Lead Compliant:  Yes
  • Manifolding:  Yes
  • Maximum Flow Rate:  6.4
  • Maximum Gas Input:  150000
  • Maximum Temperature:  140
  • Minimum Flow Rate:  0.26
  • Minimum Gas Input:  11000
  • Outdoor Installation:  No
  • Plug In:  Yes
  • Water Connection:  0.75
  • Width:  13.875"

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  • Brand:Rheem
  • UPC:020352591742
  • Stock Id:231176
  • Product Number:RTG64DVN


  • Fuel Type:Natural Gas


  • Width:13.875"
  • Depth:9.875"
  • Height:25.625"

    Technical Details

  • Ignition Type:Electronic
  • Duct Size:3" x 5"
  • Direct Vent:Yes
  • Maximum Flow Rate:6.4
  • Gas Connection:0.75
  • Manifolding:Yes
  • Maximum Gas Input:150000
  • Maximum Temperature:140
  • Minimum Flow Rate:0.26
  • Minimum Gas Input:11000
  • Weight:54.00 lbs