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SP — Support Plate

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

SP — Support Plate


The support plate is designed to provide strength and durability for supporting large size pipe sections, and serves as a firestop. Supports up to 30 feet.

Model 3-6SP 

The support plate supports tee sizes 3" through 6", and is used as a base for Type B gas vent.

Available sizes (inches)

9RSP9"17"9 5/8"
10RSP10"18"10 5/8"
12RSP12"20"12 5/8"
14SP14"22"14 5/8"
16SP16"24"16 5/8"
18SP18"26"18 5/8"
20SP20"28"20 5/8"
22SP22"30"22 5/8"
24SP24"32"24 5/8"
26SP26"34"26 5/8"
28SP28"36"28 5/8"
30SP30"38"30 5/8"