Rinnai REU-KA3237FFUD-US User Manual

Key to Trade Names in this Manual:
RC & RU-Indicates condensing water heater
models.
Model with
valves in carton
Equivalent Model
RC80e RC80HPe
RC80i RC80HPi
RC98e RC98HPe
RC98i RC98HPi
Some of the trade names for models were changed
to indicate that their cartons included isolation valves
and a pressure relief valve. For service and repair
purposes the table below shows the equivalent
models.
RC80HPe
9 15 20 22 25 28 31
RC80HPi
9 15 20 22 25 28 34
RC98HPe
11 16 20 22 25 28 37
RC98HPi
11 16 20 22 25 28 40
RU80e
13 17 21 23 27 29 43
RU80i
13 17 21 23 27 29 43
RU98e
13 17 21 23 27 29 43
RU98i
13 17 21 23 27 29 43
DIAGNOSTICS
WIRE DIAGRAM
GAS CONTROL
FAN
PC BOARD
WATER FLOW
CONTROL
HEAT
EXCHANGER
MODELS
This manual provides service information for the models
below. This table cross references each model to the
applicable page number for internal component
replacement instructions.
Condensing Tankless Water Heater Service Manual
KA Condensing KB Condensing
100000354

Rinnai REU-KA3237FFUD-US Specifications

General

Brand	Rinnai
Model	REU-KA3237FFUD-US
Category	Water Heater
Language	English