This Video is Classroom Style on Gas Water Heater Vent Codes.

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Time Codes
0:00 Intro
2:27 Begin Training
4:31 Category Selection of the Appliance
5:38 TPRV Codes
7:59 Vent Terminology and Single Wall Vent Codes
13:50 Single Wall Vent Termination Code
14:43 Length of Vent Connector
15:43 B Vent Code
16:48 Roof Vent Termination Code
18:42 Vent Connector Maximum Length Code
19:59 Vent Tables Code
24:24 Natural Gas Water Heater Annual Energy Cost
26:38 Direct Vent Water Heater
32:20 Power Vent Water Heater
38:03 Hybrid Heat Pump Water Heater
43:22Closing Statement