Specification Sheet
Type of Appliance
Rinnai model number
Operation / Installation
Minimum/Maximum Gas Rate (Input)
Electrical
Electrical Consumption
Amperage
Ignition System
Hot Water Capacity
Temperature
Temperature (without remote)
Approved Gas Types
Energy Factor (EF)
Service Connections
Isolation & Pressure Relief Valves Included
Water Flow Control
Minimum/Maximum Water Supply Pressure
Condensing, Tankless, Temperature controlled, continuous flow,
gas hot water system, Energy Star Qualified
REU-KBD2934FFUD-US
Forced combustion; indoor only; Certified for installation in
Manufactured (Mobile) Homes
15,200 - 180,000 BTU/h (4.5-52.8 kWh)
Appliance: AC 120 Volts - 60 Hz
Temperature Controller: DC 12 Volts
Normal: 75 w Standby: 2 w Anti-frost protection: 146 w
Max with pump: 8A Max without pump: 4A Fuse: 10A
Direct electronic ignition
Minimum flow rate: 0.26 GPM (1 l/min)
Minimum activation flow rate: 0.4 GPM (1.5 l/min)
Maximum flow rate: 9.0 GPM (29 l/min)
98° - 120° F (37°- 49°C) (factory default) Maximum temperature is
selectable at 120° F (49°C) or at 140° F (60°C); 98° - 185° F
(37°- 49°C) available with the MCC-91-2 controller for commercial
and hydronic applications
120° F (49°C) (factory default) or 140° F (60°C)
Natural or Propane (ensure unit matches gas type)
Natural Gas: 0.95 Propane: 0.95
Gas supply: 3/4 inch (19mm) MNPT
Cold water inlet: 3/4 inch (19mm) MNPT
Hot water outlet: 3/4 inch (19mm) MNPT
Isolation Valves are certified to NSF/ANSI 61 for potable water
Water flow sensor, electronic water control and by-pass control
20 - 150 PSI (138-1035 KPa) ( recommended 60 - 80 PSI (414 - 552
KPa) for optimal performance)
RUC90i (KBD2934FFUD)
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior
notice. Local, state, provincial and federal codes must be adhered to prior to installation.
FLOW TABLE
Water Flow gpm (l/min)
delta T - Temperature Rise ºF (ºC)
© 2015 Rinnai Corporation
RUC98i-SP(01) 7/2015
SANITATION
C US
Low Lead Content
NSF/ANSI 372