Rheem Tankless 5.3 Series

The Paloma made Rheem Tankless Water Heaters for Tankless heating, indoor or outdoor, propane tankless water heaters or natural gas water heaters made by paloma tankless water heaters.

  • Temperature Increase / Gallons per Minute Relationship:
  • 90° F rise / 2.6 gpm
  • 80° F rise / 3.0 gpm
  • 70° F rise / 3.4 gpm
  • 60° F rise / 3.9 gpm
  • 50° F rise / 4.7 gpm
  • 45° F rise / 5.3 gpm

  • BTU Input: 145,000
  • Energy Factor .82
  • Ignition Electronic
  • Voltage 120 VAC 60 Hz
  • Exhaust Vent Size 3"
  • Combustion Air Pipe Size: N/A
  • Activation: .66 gpm
  • Inlet Gas Pressure must not exceed 10.5” W.C. for natural gas (14” W.C. for LP propane)
  • Unit does not include a pressure relief valve or the wiring to connect the remote thermostat
  • Low NOx emissions meet SCAQMD rule 1146 requirements
  • A remote control thermostat is included with all models (100 F - 140 F setpoint range) Requires 18 AWG, 2 conductor thermostat wire for remote control connection. Wire not included.
  • Rheem RTG-53 or Paloma PH-20R
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