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TABLE OF CONTENTS

PRODUCT AND SAFETY INFORMATION ......................................................................... VII

CHAPTER 1 - PRE-INSTALLATION REQUIREMENTS ........................................................ 1

1.1. Ventilation and Combustion Air Requirements ...................................................................... 1

1.2. Removal of an Existing Boiler from a Common Vent System ...............................................2

1.3. Vent/Combustion Air Piping and Materials ............................................................................2

1.3.1 PVC and CPVC Vent and Combustion Air Piping and Fittings ...........................................3

1.3.2 PVC and CPVC Pipe Cement and Primer ............................................................................3

1.3.3 AL29-4C® Stainless Steel Vent Piping and Fittings ..........................................................3

1.3.4 Polypropylene (PP) Vent Piping and Fittings ......................................................................3

1.4. Vent/Combustion Air Equivalent Lengths ..............................................................................4

1.5. Vent Restrictions .......................................................................................................................4

1.5.1 2 Inch (60 mm) Vent System Restrictions ..........................................................................4

1.5.2 Rigid Polypropylene Vent System Restrictions ..................................................................5

1.5.3 Flex Polypropylene Vent System Restrictions ....................................................................5

1.6. Combustion Air Contamination ...............................................................................................6

CHAPTER 2 - DIRECT VENT INSTALLATION OF VENT/AIR PIPING ..............................11

2.1. Direct Vent - Vertical - Through the Roof or Unused Chimney ............................................11

2.1.1 Determine Termination Location ........................................................................................11

2.1.2 Direct Vent - Vent Installation - Through the Roof ............................................................ 12

2.1.3 Termination Fittings - Through the Roof ........................................................................... 13

2.1.4 Direct Vent - Multiple Boiler Installation - Through the Roof ........................................... 13

2.2. Direct Vent - Horizontal - Sidewall ......................................................................................... 15

2.2.1 Determine Termination Location ....................................................................................... 15

2.2.2 Direct Vent - Vent Installation - Sidewall ........................................................................... 16

2.2.3 Termination Fittings - Sidewall ........................................................................................... 16

2.2.4 Direct Vent - Multiple Boiler Installation - Sidewall ........................................................... 18

2.3. Direct Vent - Vertical Vent and Sidewall Combustion Air ................................................... 20

2.3.1 Determine Termination Location ...................................................................................... 20

2.3.2 Direct Vent - Vent Installation - Through the Roof ............................................................ 21

2.3.3 Direct Vent - Combustion Air Installation - Sidewall ........................................................ 21

2.3.4 Termination Fittings - Vertical & Sidewall .........................................................................22

2.3.5 Direct Vent - Multiple Boiler Installation - Vertical Vent and Sidewall Combustion Air .22

CHAPTER 3 - CATEGORY IV (INDOOR AIR) INSTALLATION OF VENT/AIR PIPING ....23

3.1. Category IV - Vertical - Through the Roof or Unused Chimney ......................................... 24

3.1.1 Determine Termination Location .......................................................................................24

3.1.2 Category IV - Vent Installation - Through the Roof ........................................................... 25

3.1.3 Termination Fittings - Through the Roof ...........................................................................25

3.1.4 Category IV - Multiple Boiler Installation - Through the Roof ......................................... 26

IDEAL EXALT Combi 199 User Manual

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