Important Definitions ................................................................................................................................................. 2
SAFETY PRECAUTIONS ........................................................................................................................... 2-3
Table of Contents ................................................................................................................................................... 4-5
PRODUCT WARRANTY ................................................................................................................................ 6
CUSTOMER RESPONSIBILITIES ................................................................................................................. 7
PRODUCT SPECIFICATIONS ...................................................................................................................... 8
TYPICAL INSTALLATION ............................................................................................................................ 10
Get to know your Water Heater .............................................................................................................................. 10
Installation Checklist ................................................................................................................................................11
INSTALLATION INSTRUCTIONS ........................................................................................................... 12-14
Removing the Old Water Heater ............................................................................................................................. 12
Location Requirements ........................................................................................................................................... 13
Site Location ........................................................................................................................................................... 13
Clearances and Accessibility .................................................................................................................................. 14
High Altitude Installation ......................................................................................................................................... 14
GAS SUPPLY ............................................................................................................................................... 15
Gas Requirements .................................................................................................................................................. 15
Gas Piping .............................................................................................................................................................. 15
Gas Pressure .......................................................................................................................................................... 15
Gas Pressure Testing.............................................................................................................................................. 15
Unconfined Space ................................................................................................................................................... 17
Confined Space ...................................................................................................................................................... 17
All Air from Inside the Building ................................................................................................................................ 17
All Air from Outdoors ............................................................................................................................................... 18
Louvers and Grilles ................................................................................................................................................. 18
Vent Pipe System ................................................................................................................................................... 19
Draft Hood Installation ....................................................................................................................................... 19-20
Vent Pipe Size ........................................................................................................................................................ 20
Vent Connectors ..................................................................................................................................................... 20
Chimney Connection ............................................................................................................................................... 20
Vertical Exhaust Gas Vent ...................................................................................................................................... 20
WATER SYSTEM PIPING ....................................................................................................................... 21-22
Piping Installation .................................................................................................................................................... 21
Closed System/Thermal Expansion ........................................................................................................................ 22
TABLE OF CONTENTS
4