Washington Administrative Code (Last Updated: November 23, 2016) |
Title 51. Enterprise Services, Department of (Building Code Council) |
Chapter 51-52. State Building Code adoption and amendment of the 2015 edition of the International Mechanical Code. |
Section 51-52-1200. Chapter 12—Hydronic piping.
Latest version.
- 1209.5.1 Slab-on-grade installation. Radiant piping utilized in slab-on-grade applications shall be provided with insulating materials installed beneath the piping as required by the Washington State Energy Code.1210.7.6 Expansion tanks. Shutoff valves shall be installed at connections to expansion tanks. A method of draining the expansion tank downstream of the shutoff valve shall be provided.