I. UNPACKING THE WATER HEATER..............................................................................................................................25
VENTING................................................................................................................................................................................27
B. APPROVED VENT MATERIALS...................................................................................................................................30
E. VENT TERMINATION....................................................................................................................................................32
3. Screen Installation....................................................................................................................................................33
F. COMMON VENT PIPING...............................................................................................................................................36
INSTALL THE CONDENSATE DRAIN..................................................................................................................................38
GAS PIPING..........................................................................................................................................................................40
A. GAS PIPE SIZING TABLES..............................................................................................................................................40
1. Gas Pipe Sizing.................................................................................................................................................................40
2. Natural Gas Pipe Sizing...................................................................................................................................................40
B. GAS CONNECTION REQUIREMENTS............................................................................................................................42
WATER PIPING ......................................................................................................................................................................44
B. INSTALL A BACKFLOW PREVENTER........................................................................................................................... 46
C. PIPING THE WATER HEATER.........................................................................................................................................46
D. APPLICATIONS.................................................................................................................................................................46
E. PRESSURE RELIEF VALVE.............................................................................................................................................49
A. WIRING INFORMATION................................................................................................................................................... 50
B. DIP SWITCHES.................................................................................................................................................................51
5
AP18733 REV. 3.2.17