Series UAB
Page 5
Feb 18/2015
INTRODUCTION
Installation Codes
Installations must comply with all local building codes or in their absence; the latest edition of the
national regulations and procedures applicable to gas fired and suspended heaters.
General Installation and Gas Codes/Electrical Codes
Heaters must be installed only for use with the type of gas appearing on the rating plate, and the
installation must conform to the National Fuel Gas Code, ANSI Z.223.1 (NFPA 54) in the US and
CAN/CGA B149.1 and B149.2 Installation Codes in Canada. For electrical requirements refer to the latest
editions of the National Electrical Code ANSI/NFPA 70 or Canadian Electrical Code C22.1
This heater maybe approved for either indoor or outdoor installation. Not for use in residential dwellings,
refer to rating plate.
Aircraft Hangar Installation
Installation in aircraft hangars must conform to the Standard for Aircraft Hangars, ANSI/NFPA 409 in the
US and CAN/CGA B149.1 and B149.2 Installation Codes in Canada
Public Garages
Installation in public garages must conform to the Standard for Parking Structures, NFPA 88A or the
Standard for Repair Garages, NFPA 88B, in the US and CAN/CGA B149.1 and B149.2 Installation
Codes in Canada.
Parking Structures
Technical requirements are outlined in ANSI/NFPA 88B (USA)
Gas Supply Lines
Gas supply pipe sizing must be in accordance with the
National Fuel Gas Code
, ANSI Z223.1 (NFPA 54)
in the US and CAN/CGA B149.1 and B149.2 Installation Codes in Canada.
A 1/8-inch NPT plugged tap must be installed in the gas line connection immediately upstream of the
burner furthest from the gas supply meter to allow checking of system gas pressure.
Electrical
All heaters must be electrically grounded in accordance with the
National Electric Code
, ANSI/NFPA 70
in the US, and the
Canadian Electric Code
, CSA C22.1 in Canada, and must comply with all local
requirements.
Venting
Refer to the
National Fuel Gas Code
, ANSI Z223.1 (NFPA 54) in the US and CAN/CGA B149.1 and
B149.2 Installation Codes in Canada for proper location, sizing and installation of vents as well as
information on clearance requirements when penetrating combustible walls for venting purposes.