| 75-51-1. | Pressure-temperature relief valves to be provided and installed; prohibited sales and installations. |
| 75-51-3. | Specifications for and installation of relief valves. |
| 75-51-5. | Installation or sale of certain untested devices prohibited. |
| 75-51-7. | Markings on, and standards for, hot water storage hot water storage tanks. |
| 75-51-9. | Chapter inapplicable to prior installations. |
| 75-51-11. | Penalties for violations. |
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