Intertek TASMAN EP & HP - Venting System Details; Vent Restrictor Installation

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VENT RESTRICTOR INSTALLATION
Decorative Unit Restrictors
Vent Configuration Restrictor Size Width (inches)
40' vertical x 15' horizontal 75% 3.35"
20’ – 30’ 80% 3.48”
12’ – 20’ 70% 3.14”
6’ – 12’ 50% 2.5”
below 6’ none N/A
Heater Unit Restrictors
Vent Configuration Restrictor Size Width (inches)
20’ – 30’ 55% 2.66”
12’ – 20’ 50% 2.5”
6’ – 12’ 25% 1.7”
below 6’ none N/A
Vent Restrictor