R98LSe (VA3237W)

Type of Appliance Rinnai model number Operation / Installation Minimum/Maximum Gas Rate (Input) Electrical

Electrical Consumption

Ignition System

Hot Water Capacity

Temperature

Temperature (without remote)

Approved Gas Types

Thermal Efficiency

Service Connections

Water Flow Control

Minimum/Maximum Water Supply Pressure

Temperature controlled, continuous flow, gas hot water system REU-VA3237W

Forced combustion; outdoor only

19,000 - 237,000 BTU/h (Natural Gas or Propane)

Appliance:

AC 120 Volts - 60 Hz

Controller:

DC 12 Volts

Normal

99 watts

Standby

2 watts

Anti-frost protection

116 watts

Direct electronic ignition

 

0.6 to 7.9 GPM (50° F rise)

0.9 to 9.8 GPM (35° F rise)

98° - 140° F (98° - 185° F available with the MCC-91 controller for commercial and hydronic applications)

120° F (factory default)

Natural or Propane (ensure unit matches gas type)

Natural Gas: 83%

Propane: 83%

Gas supply: 3/4 inch MNPT

Cold water inlet: 3/4 inch MNPT

Hot water outlet: 3/4 inch MNPT

Water flow sensor, electronic water control and by-pass control

15 - 150 PSI (50 PSI or above is recommended for maximum flow)

FLOW TABLE

Water Flow Capacity Curve

(GPM

10

 

 

 

 

 

 

9

 

 

 

 

 

 

8

 

 

 

 

 

 

Rate

7

 

 

 

 

 

 

6

 

 

 

 

 

 

Flow

5

 

 

 

 

 

 

4

 

 

 

 

 

 

3

 

 

 

 

 

 

Water

 

 

 

 

 

 

2

 

 

 

 

 

 

1

 

 

 

 

 

 

0

 

 

 

 

 

 

 

25

50

75

100

125

150

 

0

delta T-Temperature Rise(F)

© 2008 Rinnai Corporation

R98LSe SP

5/2008

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Rinnai REU-VA3237W manual R98LSe VA3237W, Water Flow Capacity Curve

REU-VA3237W specifications

The Rinnai REU-VA3237W is a cutting-edge tankless water heater designed to meet the demands of modern households while ensuring energy efficiency and reliability. This model is particularly notable for its compact size and innovative technology that allows for on-demand heating of water, eliminating the need for bulky storage tanks and providing a continuous supply of hot water.

One of the main features of the REU-VA3237W is its impressive heating capacity, capable of delivering up to 32 liters per minute. This makes it suitable for larger households or spaces with significant hot water needs, such as multiple bathrooms or appliances running simultaneously. The unit is designed to maintain a consistent water temperature, providing comfort and convenience.

The REU-VA3237W utilizes advanced condensing technology to optimize energy efficiency. By recovering heat from the exhaust gases, this system significantly reduces energy consumption compared to traditional water heaters. This feature not only lowers utility bills but also contributes to a more environmentally friendly home by minimizing greenhouse gas emissions.

Another characteristic that sets the Rinnai REU-VA3237W apart is its intelligent control system, which allows users to set and maintain desired water temperatures with precision. The digital display makes it easy to monitor and adjust settings, ensuring that the user has complete control over their hot water supply. Additionally, the unit includes safety features such as overheat protection and a freeze protection mechanism, ensuring both the longevity of the heater and the safety of your household.

The compact design of the REU-VA3237W allows for versatile installation options, including outdoor and indoor setups, which is ideal for homes with limited space. Its lightweight structure makes it easier to install compared to traditional tank heaters, requiring less space and simpler plumbing modifications.

Overall, the Rinnai REU-VA3237W stands out in the market of tankless water heaters with its robust features, smart technology, and commitment to sustainability. By choosing this model, homeowners can enjoy the benefits of endless hot water, reduced energy costs, and enhanced convenience, making it a wise investment for anyone seeking an efficient water heating solution.