You are now viewing the owner's manual for your Rinnai Boiler, model number .This guide is designed to help you understand the features, functionalities, and maintenance requirements of your Boiler. Remember, your Rinnai Boiler is not just an appliance; it's an investment in your daily comfort and convenience. Please take a moment to familiarize yourself with this manual to ensure you get the most out of your Rinnai Boiler.

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8U.51.60.01/09.09 

  Changes reserved.

I n s t a l l a t i o n   &   S e r v i c i n g 

Instructions

Pictured:  E75CN, E110CN
 

E75CP, E110CP

High efficiency condensing gas boiler

E75CN/E110CN

E75CP/E110CP

-  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.

CAUTION!

Read this manual thoroughly before installing, servicing, putting 
into operation or using this boiler and vent system.
WARNING!
Improper  installation,  adjustment,  alteration,  service  or 
maintenance  can  cause  property  damage,  personal  injury  or 
loss  of  life.  Refer  to  this  manual.  For  assistance  or  additional 

information consult a qualified installer or the gas supplier.

CAUTION!

The  user  manual  is  part  of  the  documentation  that  is  delivered 
to  the  installation's  operator.  Go  through  the  information  in  this 
manual with the owner/operator and make sure that he or she is 
familair with all necessary operating instructions.

NOTICE!

Installation  and  service  must  be  performed  by  a  qualified 

installer, service technician or the gas supplier. 
In  the  Commonwealth  of  Massachusetts  this  boiler  must  be 
installed by a licensed Plumber or Gas Fitter.

WARNING!

If you do not follow these instructions exactly, a fire or explosion may 

result causing property damage, personal injury or loss of life.

These instructions to be retained by user.

Address: 103 International Drive, Peachtree City, GA, 30269

Toll-free: 1-800-621-9419 • Fax: 678-829-1666 • www.rinnai.us