Table Of Contents; Section I: Important Information - Bradford White UCG100H270 Installation And Operation Manual

This gas-fired water heater is design certified by CSA International under the American National Standard, Z21.10.3 (as
indicated on the rating plate) and CAN/CGA 4.3-M (as indicated on the rating plate) available from CSA Standards
Association, 5060 Spectrum Way, Mississauga, Ontario, CANADA L4W 5N6.
This water heater must be installed in accordance with local codes. In the absence of local codes, it must be installed in
compliance with the National Fuel Gas Code (ANSI Z223.1-Latest Edition), or in Canada CAN/CGA B149.1 Natural Gas
Installation Code (Latest Edition) or CAN/CGA B149.2 Propane Installation Code (Latest Edition).
The following terms are used throughout this manual to bring attention to the presence of hazards at various risk levels,
or to important information concerning product life.
Indicates an imminently hazardous situation, which, if
not avoided, will result in death, serious injury or
substantial property damage.
Indicates a potentially hazardous situation, which, if not
avoided, could result in death, serious injury or
substantial property damage.
This water heater has a limited warranty. The warranty for this water heater is valid only if the water heater has been
installed, maintained and operated in accordance with these instructions.
SECTION I: IMPORTANT INFORMATION................ 2
SECTION II: SPECIFICATIONS ................................ 5
SECTION III: GENERAL INFORMATION ................. 6
SECTION IV: INSTALLATION INSTRUCTIONS ....... 8
SECTION V: VENTING ........................................... 13
SECTION VI: WATER CONNECTIONS .................. 19
SECTION VII: GAS CONNECTIONS ...................... 23

SECTION I: IMPORTANT INFORMATION

READ CAREFULLY
DANGER
WARNING

TABLE OF CONTENTS

Indicates potentially hazardous situation, which, if not
avoided, may result in moderate or minor injury or
property damage.
Indicates special instructions on installation, operation
or maintenance, which are important but not related to
personal injury hazards.
NOTICE
SETION VIII: ELECTRICAL CONNECTIONS .......... 25
SECTION IX: OPERATING INSTRUCTIONS .......... 26
SECTION X: MAINTENANCE .................................. 35
SECTION XI: DIAGNOSTIC AND
TROUBLESHOOTING GUIDE ................................ 39
SECTION XII: PARTS LIST ..................................... 58
2
CAUTION
NOTICE