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4 Rinnai Corporation ES38 Manual
Application 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.
For commercial setting.
For installation at altitudes up to 10,200 feet (3109 m).
General Description Forced combustion, forced convection, flued gas furnace
Operation Push button electronic
Gas Connection 1/2 in female NPT
Gas Control Electronic
Burners Stainless steel Bunsen burner
Temperature Control Electronic thermostat
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 - 7 pints (3000 cc)
Electrical Connection AC 120V, 60 Hz, 121 watts
Weight 90 lbs (41 kg)
Noise Level 37-47 dB
AFUE Rating Natural Gas: 80.6% Propane: 82.0%
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 cut 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
prevents the temperature from rising then the fusible
link will break shutting off the appliance.
Appliance Specifications