Innovation Series & ReCon Water Heater
GF-5050
Venting and Combustion Air Guide
TAG-0043_0Q
12/01/2016
AERCO International, Inc.
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100 Oritani Dr.
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Blauvelt, New York 10913
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Phone: 800-526-0288
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1.
CODES, SAFETY & VENTING SYSTEMS
1.1. INTRODUCTION
The AERCO gas-fired water heater is a high efficiency, forced draft, domestic hot water heating unit
with unique venting capabilities. All venting options (which include horizontal and vertical discharges,
direct vent, and manifolded vent breeching), typically exceed the capabilities of competing combustion
equipment. These and other features enable AERCO water heaters to provide extremely high thermal
efficiencies and optimum temperature control under widely varying conditions. It is therefore critical
that the flue gas vent and combustion air system be designed to maintain these objectives.
The high efficiency is achieved through air/fuel modulation and the release of heat energy from the
moisture condensing in the combustion products. Because condensation can occur in the exhaust
vent system, a means must be provided to remove the moisture accumulation. Each model should be
fitted with the supplied condensate removal trap.
The design guidelines in this bulletin provide broad latitude while meeting the objectives of safety,
longevity and optimum performance.
1.2. APPLICABLE FEDERAL CODES
UNITED STATES:
NFPA 54/ANSI Z223.1……….. National Fuel Gas Code
NFPA/ANSI 211………………. Chimneys, Fireplaces, Vents and Solid Fuel Burning
Appliances
CANADA:
CSA B149.1…………………… Installation Codes for Gas-Burning Equipment
CSA B149.2…………………… Installation Codes for Gas-Burning Equipment
The above listed codes contain information for gas vented appliances requiring Category II,
III and IV, vent sizing, location, air space clearances to combustibles and safe installation
practices. The gas vent installer must be in compliance with the above codes, as well as
Local Codes and Regulations.
ALL INSTALLATIONS OF WATER HEATERS AND VENTING SHOULD
BE DONE ONLY BY QUALIFIED VENTING SYSTEMS PERSONNEL
AND IN ACCORDANCE WITH THE MANUFACTURER’S
RECOMMENDATIONS. INSTALLING OR VENTING A HEATER OR
ANY OTHER GAS APPLIANCE WITH IMPROPER METHODS OR
MATERIALS MAY RESULT IN SERIOUS INJURY OR DEATH DUE TO
FIRE OR TO ASPHYXIATION FROM POISONOUS GASES (CARBON
MONOXIDE IS ODORLESS AND INVISIBLE).
WARNING
