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ESC/RSC/SC — Storm Collar

How to Specify

Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design. The System Design and Installation Guide is an additional resource.

Amerivent FAQs

ESC/RSC/SC — Storm Collar

The storm collar serves as a counter flashing. Use mastic to seal the vent pipe.

Available sizes (inches)

ModelSize
3ESC3"
4ESC4"
5ESC5"
6ESC6"
7RSC7"
8RSC8"
9RSC9"
10RSC10"
12RSC12"
14SC14"
16SC16"
18SC18"
20SC20"
22SC22"
24SC24"
26SC26"
28SC28"
30SC30"