The International Association of Plumbing and Mechanical Officials has been protecting the public’s health and safety for ninety years by working in concert with government and industry to implement comprehensive plumbing and mechanical systems around the world.
As a membership-based association, IAPMO is proud to utilize an open consensus process in the development of our flagship Uniform Plumbing Code® and Uniform Mechanical Code®. These codes are established through scientific research, debate, and analysis, strengthening our position at the forefront of the plumbing and mechanical industries.
The IAPMO Group is a complete service organization, providing code development assistance, industry-leading education, plumbing and mechanical product testing and certification, building product evaluation and a manufacturer-preferred quality assurance program. Each component of the IAPMO Group works toward playing an integral part in protecting the health of people everywhere.
Responding to a request, we are making some of the online Answers and Analysis offered only to IAPMO members available here.
This week’s questions are:
These questions are related to Section 701.1.1 in regards to combustion air evaluations in existing homes (i.e., built 5 to 50 years ago). 1. When calculating indoor volume for combustion air in a residence, are the Btu/h input ratings of cooking appliances and clothes dryers excluded the way they were in the 2000 UMC? 2. When calculating room volume for a natural draft wall furnace in the living room, must the Btu/h input of the pre-existing gas range in the kitchen (manufacturer's instructions not known) be added to that of the wall furnace?
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