
4Rinnai Corporation RHFE-263FA
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 conversionfrom one gas to the   
other. 
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 - 1.5 pints (700 cc)  
Electrical Connection  AC 120V, 60 Hz, 47 watts 
Weight  37 lbs (17 kg) 
Noise Level  31-38 dB 
AFUE Rating Natural Gas: 80%        Propane: 80%
Fan CFM output  Low 96.4 - High 128.5
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 operat-
ing 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.