1.1 This Code sets out the minimum provisions for the installation, extension, alteration, and renewal of hydronic heating systems.

1.2 This Code applies to open and closed hydronic heating systems. These systems include (a) hydronic space heating; (b) radiant heating (wall, floor, ceiling); (c) convectors; (d) fan coils; (e) combo systems; (f) indirect-fired domestic water heating; (g) pool and spa heating; (h) snow melt systems; and (i) other auxiliary systems.