Rheem RTG64XP

RTG64XP Liquid Propane, Outdoor Whole House Tankless Water Heater, 6.4 GPM

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Rheem RTG64XP

Rheem RTG64XP Liquid Propane, Outdoor Whole House Tankless Water Heater, 6.4 GPM
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Quick Specs:
Brand: Rheem
UPC: 020352591773
Stock Id: SID231182
Fuel Type: Liquid Propane
Width: 13.875"
Height: 25.625"
Depth: 9.875"
Energy Star: Yes
Technical Details
Ignition Type: Electronic
Duct Size: Ductless
Low Lead Compliant: Yes
Direct Vent: No
Maximum Flow Rate: 6.4
Maximum Gas Input: 150000
Maximum Temperature: 140
Minimum Flow Rate: 0.26
Minimum Gas Input: 11000

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.


  • Minimum flow rate of .26 gpm, .40 gpm minimum activation flow rate, 180,000 BTU
  • Includes UMC-117 remote control and 10-feet of thermostat wire
  • Freeze protection to -30 degrees Fahrenheit
  • Eligible for federal tax credits for energy efficiency
  • Meets low nitrogen oxide emission standards


Depth 9.875
Direct Vent No
Duct Size Ductless
Energy Star Yes
Fuel Type Liquid Propane
Gas Connection 0.75
Hardwired Yes
Height 25.625
Ignition Type Electronic
Indoor Installation No
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 Yes
Plug In Yes
Water Connection 0.75
Width 13.875

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