Rheem 136-1826, Operating And Installation Manual, Page: 7 / 55

A. INTRODUCTION
WE RECOMMEND THAT THIS MANUAL BE REVIEWED THOROUGHLY BEFORE INSTALLING THE
WATER HEATER. SHOULD ANY QUESTIONS ARISE, NOT COVERED BY THIS DATA, CONTACT YOUR
LOCAL DISTRIBUTOR OR THE SERVICE DEPARTMENT AT THE FACTORY.
MODEL IDENTIFICATION
The model number of the water heater is found on the rating plate. Each model number identifies the application,
the construction and the function of the water heater , and provides a positive means of identification for application,
installation, operation, service and parts of the unit in a minimum amount of time.
RECEIVING EQUIPMENT
On receiving equipment it is suggested that you
• Review packing slip for the number of packages.
• Inspect for concealed damage immediately.
• Advise carrier, in writing, of shortages or damage.
• Claims are filed by the receiver against the carrier. The carrier, not the shipper, is responsible for any
shortage or damage whether visible or concealed.
B. INSTALLATION GUIDELINES
INSTALLATION REGULATIONS
THE INSTALLATION MUST CONFORM WITH THESE INSTRUCTIONS, REQUIREMENTS OR CODES OF
AUTHORITIES HAVING JURISDICTION, THE LATEST EDITION OF THE NATIONAL FUEL GAS CODE, ANSI
Z223.1 AND THE NATIONAL ELECTRICAL CODE.
ANY ALTERATION OR MODIFICATION TO THE WATER HEATER, ITS COMPONENTS OR ITS INTENDED
APPLICATION MAY VOID THE WARRANTY EXTENDED WITH THE PRODUCT BY THE MANUFACTURER.
WARNING: Improper installation, adjustment, alteration, service or maintenance can damage the
water heater, or create a hazard resulting in asphyxiation, explosion or fire.
WATER FLOW
Low water content heat exchangers require continuous flow for proper operation.
WATER CONDITIONS:
Domestic Hot water heaters are designed for operation with various water conditions. Corrosive water that has
high chlorine content or other chemicals require that the tubes in the heat exchanger be cupro-nickel. Provide us
with an analysis of water where this potential exists.
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