Rinnai RU Series Tankless

Rinnai Model Overview

  • V Series – Value tankless on the cheap
  • RL Series – Non condensing but feature rich
  • RUCS/RUS Series – Condensing tech at low cost
  • RU Series – Condensing with lots of features
  • RUR Series – Super high efficient condensing tankless


Understand Rinnai Product Codes (Examples)

RL75iN

  • RL – Indicates model
  • 75 – Max hot water produced (7.5 gpm)
  • i – Indoor model and must be installed inside
  • N – Natural Gas model

RUR199eP

  • RUR – Model type
  • 199 – Max BTU (199,000btu)
  • e – Exterior model, must be installed outside
  • P – Propane gas model

Rinnai RU Series Tankless System

The RU series from Rinnai are one of the best value to feature rich tankless systems. They offer condensing technology to get the 90% plus efficiency rating as well as a faster hot water delivery feature. The RU series also has Alexa capability with more than 20 voice commands available.

Rinnai RU series tankless come in a number of sizes to address climates from Southern Florida to Northern Canada. If your incoming water temp is constantly fairly warm you can go with the RU130 making out at 130,000 Btu/h. If you live somewhere where snow coats the ground 6 months of the year you would likely want the RU199 with 199,000 Btu/h to really add some heat to the cold water.

These tankless systems come in both indoor and outdoor installation models as well as both propane and natural gas. All Models and Prices Listed at the bottom of this page

RU Series Features

  • Direct vent (concentric and twin pipe)
  • Sliding mounting bracket for easy installation
  • Compact design can be wall hung to save space
  • Standard digital controller and error code indicator
  • Natural gas and propane models available
  • EZConnect (allows for the connection of two units together for future upgrades)
  • Wi-Fi compatibility for remote monitoring and management
  • Great system for Canadian cold water
  • Heat Exchanger: 15 years or 12,000 operation hours

Rinnai RU Series Specifications


RU130 Series

Indoor/Outdoor Propane/Nat Gas
Btu/h: 15,000-130,000
Weight: 62lbs
Sound: 47 db
Gas Supply: 3/4 in. (19 mm) NPT
Cold Inlet: 3/4 in. (19 mm) NPT
Hot Outlet: 3/4 in. (19 mm) NPT
Condensate Drain: 1/2 in. (13 mm) NPT
Hot Water: 7.0 GPM
MSRP: $1239


RU160 Series

Indoor/Outdoor Propane/Nat Gas
Btu/h: 15,000-160,000
Weight: 62lbs
Sound: 47 db
Gas Supply: 3/4 in. (19 mm) NPT
Cold Inlet: 3/4 in. (19 mm) NPT
Hot Outlet: 3/4 in. (19 mm) NPT
Condensate Drain: 1/2 in. (13 mm) NPT
Hot Water: 9.0 GPM
MSRP: $1353


RU180 Series

Indoor/Outdoor Propane/Nat Gas
Btu/h: 15,000-180,000
Weight: 64lbs
Sound: 47 db
Gas Supply: 3/4 in. (19 mm) NPT
Cold Inlet: 3/4 in. (19 mm) NPT
Hot Outlet: 3/4 in. (19 mm) NPT
Condensate Drain: 1/2 in. (13 mm) NPT
Hot Water: 10.0 GPM
MSRP: $1485

RU199 Series

Indoor/Outdoor Propane/Nat Gas
Btu/h: 15,000-199,000
Weight: 64lbs
Sound: 48 db
Gas Supply: 3/4 in. (19 mm) NPT
Cold Inlet: 3/4 in. (19 mm) NPT
Hot Outlet: 3/4 in. (19 mm) NPT
Condensate Drain: 1/2 in. (13 mm) NPT
Hot Water: 11.0 GPM
MSRP: $1617


Energy Factor (all RU Series Models)
Natural Gas: 0.91 -0.96
Propane: 0.91 -0.96

Uniform Energy Factor
RU199 RU180 RU160: 93%
RU130: 91%

Electrical Consumption
Normal: 38-84 Watts
Standby: 2 Watts
Anti-Frost Protection: 148 Watts

Full Model List

INDOOR MODELS
  • RU130iN
  • RU130iP
  • RU160iN
  • RU160iP
  • RU180iN
  • RU180iP
  • RU199iN
  • RU199iP
OUTDOOR MODELS
  • RU130eN
  • RU130eP
  • RU160eN
  • RU160eP
  • RU180eN
  • RU180eP
  • RU199eN
  • RU199eP

RU130 Indoor Natural Gas and Propane


RU130 Outdoor Natural Gas and Propane


RU160 Indoor Natural Gas and Propane


RU160 Outdoor Natural Gas and Propane


RU180 Indoor Natural Gas and Propane


RU180 Outdoor Natural Gas and Propane


RU199 Indoor Natural Gas and Propane


RU199 Outdoor Natural Gas and Propane