Quiz: 2024 International Plumbing Code - Residential Chapter 5: Water Heaters

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1. In a combination potable water heating and space heating system, where water for space heating is required at temperatures exceeding 140°F, which standard must the required temperature-actuated mixing valve comply with?

2. What is the required minimum nominal iron pipe size for the inlet of a drain valve installed on a tank-type water heater?

3. For domestic uses, what is the maximum allowable temperature for water delivered from tankless water heaters?

4. Water heaters that are part of a potable water distribution system must have a weighted average lead content of no more than what percentage?

5. A fuel-fired water heater is prohibited from being installed in which of the following locations?

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