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LP-179 REV. 11.26.14

TABLE OF CONTENTS

PART 1 – GENERAL SAFETY INFORMATION .......................................................................................................................... 5

A. PRECAUTIONS .......................................................................................................................................................................... 5

B. IMPROPER COMBUSTION ........................................................................................................................................................ 6

C. GAS ............................................................................................................................................................................................ 6

D. WHEN SERVICING THE HEATER ............................................................................................................................................. 6

E. HEATER WATER........................................................................................................................................................................ 6

PART 2 – BEFORE YOU START ................................................................................................................................................ 7

A. WHAT’S IN THE BOX ................................................................................................................................................................. 7

B. HOW THE HEATER OPERATES ............................................................................................................................................... 7

C. OPTIONAL EQUIPMENT ........................................................................................................................................................... 8

PART 3 – PREPARE WATER HEATER LOCATION .................................................................................................................. 9

A. BEFORE LOCATING THE HEATER .......................................................................................................................................... 9

B. LEVELING ................................................................................................................................................................................ 10

C. CLEARANCES FOR SERVICE ACCESS ................................................................................................................................. 10

D. RESIDENTIAL GARAGE INSTALLATION ................................................................................................................................ 10

E. EXHAUST VENT AND INTAKE PIPE ....................................................................................................................................... 10

1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE ......................................................................................................... 11

2. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE ................................................................................ 11

F. PREVENT COMBUSTION AIR CONTAMINATION .................................................................................................................. 11

G. REMOVING A HEATER FROM A COMMON VENT SYSTEM................................................................................................. 12

H. WATER CHEMISTRY ............................................................................................................................................................... 13

PART 4 – HEATER PIPING ....................................................................................................................................................... 16

A. GENERAL PIPING INFORMATION .......................................................................................................................................... 16

B. SCALDING ................................................................................................................................................................................ 17

C. TEMPERATURE AND PRESSURE RELIEF VALVE................................................................................................................ 17

D. BACKFLOW PREVENTER ....................................................................................................................................................... 17

E. POTABLE EXPANSION TANK ................................................................................................................................................. 17

F. WATER PIPING ........................................................................................................................................................................ 18

G. AUXILIARY CONNECTIONS ................................................................................................................................................... 18

H. PIPING DIAGRAMS .................................................................................................................................................................. 19

PART 5 – VENTING, COMBUSTION AIR AND CONDENSATE REMOVAL............................................................................ 28

A. GENERAL ................................................................................................................................................................................. 28

B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE .................................................................................... 29

C. REQUIREMENTS FOR INSTALLATION IN CANADA .............................................................................................................. 29

D. EXHAUST VENT AND INTAKE PIPE LOCATION.................................................................................................................... 30

E. EXHAUST VENT AND INTAKE PIPE SIZING .......................................................................................................................... 31

F. LONGER VENT RUNS ............................................................................................................................................................. 31

G. EXHAUST VENT AND INTAKE PIPE INSTALLATION ............................................................................................................ 32

H. VENTING DRAWINGS ............................................................................................................................................................. 33

1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE ......................................................................................................... 33

Brand	HTP
Model	Phoenix Series
Category	Water Heater
Language	English

HTP Phoenix Series User Manual

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