Rinnai ENERGYSAVER ES38 User's Manual

—  Do not store or use gasoline or other flammable vapors and 

liquids in the vicinity of this or any other appliance. 

 
—  WHAT TO DO IF YOU SMELL GAS 
 

•  Do not try to light any appliance. 
•  Do not touch any electrical switch; do not use any phone in 

your building. 

•  Immediately call your gas supplier from a neighbor’s phone.  

Follow the gas supplier’s instructions. 

•  If you cannot reach your gas supplier, call the fire 

department. 

 
—  Installation and service must be performed by a qualified 

installer, service agency or the gas supplier. 

WARNING: If the information in these instructions is not 
followed exactly, a fire or explosion may result causing 
property damage, personal injury or loss of life. 

Owner’s Operation and Installation Manual for the 

ES38  (RHFE-1004RFA) 

Energysaver 

Gas Direct Vent Wall Furnace 

INSTALLER:   Leave this manual with the appliance. 
CONSUMER:  Retain this manual for future reference. 

Table of Contents ........... 2 

Safety Information .......... 3 

Operating Instructions .... 6 

Care and Maintenance ... 10 

Fault Codes .................... 12 

Installation Instructions ... 14 

Parts List ........................ 32 

Consumer Support ......... 42 

Register your product at www.rinnairegistration.com 
or call 1-866-RINNAI1 (746-6241)