Rinnai EX22 Brochure & Specs

TRADITIONAL VS. RINNAI APPROACH TO HEATING
The Traditional Approach
• Highoperatingcosts
• Largeuctuationsinroomtemperature
• Slowresponsetothermostaticallycontrolledheatsettings
• Poordistributionoftheheatprovided
Advantages of the Rinnai Approach
• Energy-efcientandeconomicalzoneorwhole-househeating
• Thermistorenablesfurnacetoregisterandquickly
adapt to small temperature changes
• Heatsuppliedonlyasneeded;effectivelycirculatedthrough
living space
NOTE: Please visit local dealer showroom to
view actual color representation of product. The
ES38 & EX22 are also available in white.
Product Warranty
• 10yearsontheheatexchanger
• 5yearsonparts
• 2yearsonlabor
BEIGE WHITE
Discrete Vent
Terminal,
only 4” in
diameter
HOW IT WORKS
The Thermistor
• Designedtoaccuratelymonitor
room temperature at 2” off
the floor
• Capableofdetecting 
temperature changes as little
as half of a degree
Rinnai Response
• Within10seconds,theRinnai
furnace begins to gently heat the
room at low fan speed
• ItincreasesfanspeedandBTU
output if necessary to achieve
set temperature
• Oncedesiredtemperatureis 
achieved, the unit shuts off and
 goesintostand-bymode
Room Monitoring
• Asthetemperatureoftheroom
gradually drops, the wall
furnace restarts and gradually
warms the room back to the set
temperature
• Ifthereisasuddeninjection
of cold air, the unit automatically
 adjustsfanspeedandBTUsto
 quicklyrestoretheset
temperature
Direct, Through-Wall
Vent Termination
For Illustration Only.
Through-Wall Vent
Termination
with Extension Kit
Installation and Venting Examples
Through-Wall Vent
Termination
with Extension Kit
and Elbow
intelligent heating solutions...
SMART COMFORT...
VENT TERMINATIONS
Part Number Description
FOT-150 SVent(3”–41/2”)
FOT-151 AVent(41/2”-91/2”)
FOT-152 BVent(91/2”-153/4”)
FOT-153 CVent(153/4”–235/8”)
FOT-154 DVent(235/8”–311/2”)
For illustration only. Please reference the Owner’s Manual for installation requirements.

Rinnai EX22 Specifications

General

Brand	Rinnai
Model	EX22
Category	Furnace
Language	English