Instinct Venting Manual

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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
1.4. Vent/Combustion Air Equivalent Lengths ..............................................................................4
1.5. Vent Restrictions .......................................................................................................................4
1.5.1 2 Inch (60 mm) Vent System Restrictions ..........................................................................4
1.6. Combustion Air Contamination ...............................................................................................4
2.1. Direct Vent - Vertical - Through the Roof or Unused Chimney ............................................. 7
2.1.1 Determine Termination Location .........................................................................................7
CHAPTER 2 - DIRECT VENT INSTALLATION OF VENT/AIR PIPING ............................... 7
2.1.2 Direct Vent - Vent Installation - Through the Roof .............................................................. 8
2.1.3 Termination Fittings - Through the Roof .............................................................................9
2.1.4 Direct Vent - Multiple Boiler Installation - Through the Roof .............................................9
2.2. Direct Vent - Horizontal - Sidewall ..........................................................................................11
2.2.1 Determine Termination Location ........................................................................................11
2.2.2 Direct Vent - Vent Installation - Sidewall ........................................................................... 12
2.2.3 Termination Fittings - Sidewall ........................................................................................... 12
2.2.4 Direct Vent - Multiple Boiler Installation - Sidewall ........................................................... 14
2.3. Direct Vent - Vertical Vent and Sidewall Combustion Air .................................................... 16
2.3.1 Determine Termination Location ....................................................................................... 16
2.3.2 Direct Vent - Vent Installation - Through the Roof ............................................................ 17
2.3.3 Direct Vent - Combustion Air Installation - Sidewall ........................................................ 17
2.3.4 Termination Fittings - Vertical & Sidewall ......................................................................... 18
2.3.5 Direct Vent - Multiple Boiler Installation - Vertical Vent and Sidewall Combustion Air . 18
CHAPTER 3 - CATEGORY IV (INDOOR AIR) INSTALLATION OF VENT/AIR PIPING .... 19
3.1. Category IV - Vertical - Through the Roof or Unused Chimney ......................................... 20
3.1.1 Determine Termination Location ...................................................................................... 20
3.1.2 Category IV - Vent Installation - Through the Roof ........................................................... 21
3.1.3 Termination Fittings - Through the Roof ........................................................................... 21
3.1.4 Category IV - Multiple Boiler Installation - Through the Roof ..........................................22