Installation Sheet

Rinnai Corporation EX08CT, EX11CT Manual 21
Specifications
Rinnai is continually updating and improving products. Therefore, specifications are subject to change without prior
notice.
The efficiency rating of this appliance is a product thermal efficiency rating determined under continuous operating
conditions and was determined independently of any installed system.
Safety Features
 Overheat: The appliance will automatically shut
down when the appliance exceeds a predetermined
temperature.
 Flame Failure: The appliance will automatically
shut down if the burner flame is extinguished.
 Power Failure: The appliance will shut off the gas
if it loses electrical power.
 Power Surge Fuse: A glass fuse on the PC board
protects against overcurrent. If the fuse blows then
all indicator lamps will be off.
 Spark Detector: The appliance automatically shuts
down if there is an abnormal spark at ignition.
 Fusible Link: In case the overheat feature does
not prevent an overheat then the fusible link could
break, shutting off the appliance.
Appliance Specifications
EX08CT EX11CT
Application
Approved for manufactured home (USA only) or mobile home or residential installation
convertible for use with natural gas and liquefied petroleum gases (propane / LPG) when
provision is made for the simple conversion from one gas to the other.
Approved for commercial setting.
Approved for installation at altitudes up to 10,200 feet (3109 m).
Natural Gas Propane Gas Natural Gas Propane Gas
Min. Supply Gas Pressure 4.5 in(114 mm) W.C. 8.0 in(203 mm) W.C. 3.5 in(89 mm) W.C. 8.0 in(203 mm) W.C.
Max. Supply Gas Pressure 10.5 in(267 mm) W.C. 13.0 in(330 mm) W.C. 10.5 in(267 mm) W.C. 13.0 in(330 mm) W.C.
BTU/hour input Low 3000 High 8000 Low 5500 High 11000 Low 5700 High 11000
BTU/hour output Low 4400 High 8800 Low 4560 High 8800 Low 2400 High 6400
General Description Forced combustion, forced convection, flued gas furnace
Operation Push button electronic
Gas Connection 1/2 in male NPT
Gas Control Electronic
Burners Stainless steel Bunsen burner
Temperature Control Electronic thermostat, (Low, 60-80ºF in 2ºF increments, High)
Temperature Range Low, 60 - 80°F (in 2°F increments), High
Ignition System Electronic spark ignition
Flue System
The flue must be terminated to atmosphere with only flue components listed with the
appliance’s certification. Warranty will be voided if non listed components are installed.
Humidifier Tray Capacity - 1.5 pints (700 cc)
Electrical Connection AC 120V, 60 Hz, 41 watts
Standby Power 0.5 watt
Weight 46 lbs (21 kg)
Noise Level 27-36 dB
AFUE Rating
Natural Gas: 81%
Propane: 82%