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TABLE OF CONTENTS
3.2. Category IV - Horizontal - Sidewall ....................................................................................... 26
3.2.1 Determine Termination Location ...................................................................................... 26
3.2.2 Category IV - Vent Installation - Sidewall ......................................................................... 28
3.2.3 Termination Fittings - Sidewall .......................................................................................... 28
3.2.4 Category IV - Multiple Boiler Installation - Sidewall ......................................................... 28
CHAPTER 4 - INSTALLATION REQUIREMENTS ..............................................................29
4.1. Vent/Combustion Air Transitions ......................................................................................... 29
4.1.1 3” (80 mm) to 2” (60 mm) Transitions ............................................................................. 29
4.2. Connect Piping to EXALT ....................................................................................................... 30
4.3. Vent and Combustion Air Piping Installation ....................................................................... 30
4.3.1 PVC/CPVC Vent System .................................................................................................... 30
4.3.2 Polypropylene or AL29-4C® Stainless Steel Vent Systems ........................................... 31
4.4. Carbon Monoxide Detector Installation ................................................................................ 31
CHAPTER 5 - COMMONWEALTH OF MASSACHUSETTS INSTALLATION REQUIREMENTS ......33
5.1. Installation of Carbon Monoxide Detectors. ....................................................................... 33
5.2. Approved Carbon Monoxide Detectors. .............................................................................. 33
5.3. Signage .................................................................................................................................... 33
5.4. Inspection. .............................................................................................................................. 33
5.4.1 Exemptions ........................................................................................................................ 33
5.4.2 Manufacturer Requirements - Gas Equipment Venting System Provided. .................. 33
5.4.3 Manufacturer Requirements - Gas Equipment Venting System Not Provided. ........... 34