![Appendix B: Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances, and Appliances Listed for Use With Type B Vents, Michigan Residential Code 2015 | UpCodes Appendix B: Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances, and Appliances Listed for Use With Type B Vents, Michigan Residential Code 2015 | UpCodes](https://up.codes/publication-images/da0a357b-d248-4c99-9e33-29dc97805b14.png)
Appendix B: Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances, and Appliances Listed for Use With Type B Vents, Michigan Residential Code 2015 | UpCodes
![Rinnai 224078PP 3" Inner Diameter - Direct Vent Pipe - Double Wall - 90 Degree Vent Pipe Elbow for Condensing Tankless Water Heaters - Amazon.com Rinnai 224078PP 3" Inner Diameter - Direct Vent Pipe - Double Wall - 90 Degree Vent Pipe Elbow for Condensing Tankless Water Heaters - Amazon.com](https://m.media-amazon.com/images/I/41Uk8DLz0KL.jpg)
Rinnai 224078PP 3" Inner Diameter - Direct Vent Pipe - Double Wall - 90 Degree Vent Pipe Elbow for Condensing Tankless Water Heaters - Amazon.com
![Source Boiler gas water heater stainless steel double vent chimney pipe elbow / flue elbow on m.alibaba.com Source Boiler gas water heater stainless steel double vent chimney pipe elbow / flue elbow on m.alibaba.com](https://sc01.alicdn.com/kf/Hdb445daa083a4bab83fc0cc31ecafd75x.jpg)