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E45/R45 — 45° Elbow

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

E45/R45 — 45° Elbow

Sizes 3" through 14" adjust easily from 0° to 45°. Sizes 16" through 30" are nonadjustable.AV_E45-R45_TBGV line art 45-degree elbow

Available sizes (inches)

ModelSizeAB
3E453"3"2 3/4"
4E454"3 1/8'3 1/16"
5E455"3 1/2"3 1/2"
6E456"4"3 13/16"
7R457"4 5/16"4 1/4"
8R45 8"4 3/4"4 9/16"
9R459" 5"5"

Available sizes (inches)

ModelSizeAB
10R45 10"5"5 3/8"
12R4512"6"5 3/8"
14R4514"6"6 1/2"
16R4516"7"7"
18R4518"7 9/16""7 1/2"
20R45 20"8 1/2"8 5/8"
22R45 22"8"7 5/8"
24R45 24"8 5/8"8 5/16"
26R45 26"9"9"
28R45 28"9 1/2"9 1/2"
30R45 30"10"10"