‹ IRC 2024
2024 International Residential Code

Chapter 28Water Heaters

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Question 1 1.

What is the minimum nominal iron pipe size for the inlet of a drain valve installed at the bottom of a tank-type water heater?

Question 2 2.

What type of thread must be provided on the outlet of a drain valve for a tank-type water heater?

Question 3 3.

Water heaters must be installed to provide access for which of the following?

Question 4 4.

According to the IRC, where should water heaters and storage tanks be installed?

Question 5 5.

A plastic pan installed beneath a gas-fired water heater must be constructed of material having a flame spread index of what value or less?

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