A water heater is installed in a crawl space. What is the minimum clearance required above the water heater for adequate ventilation?
- 12 inches
- B18 inches
- C15 inches
- D10 inches
Exam tip
Always check the clearance requirements for water heaters in crawl spaces to ensure safety and proper operation.
Why A is correct
Section P280.1 of the 2024 International Residential Code requires a minimum clearance of 12 inches above a water heater installed in a crawl space. This clearance is necessary to ensure proper ventilation and prevent overheating.
