Rinnai EX22C (RHFE-559FTA) Installation and Operation Manual

Owner’s Operation and Installation Manual for the 

EX17C (RHFE-434FTA) 

EX22C (RHFE-559FTA) 

Energysaver®  

Gas Direct Vent Wall Furnace 

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

Table of Contents .......................... 2 
Consumer Safety Information ....... 3 
Specifications ................................ 4 
Operating Instructions ................... 6 
Installation Instructions ............... 15 
Adjust Gas Pressure Settings ..... 28 
Consumer Support ...................... 44 
French Version ............................ 47 

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

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. 

—  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.