18-28-1204.2 Required thickness.

   Hydronic piping shall be insulated to the thickness required by the energy code.

18-28-1205 Valves.

18-28-1205.1 Where required.

   Shut off valves shall be installed in hydronic piping systems in the locations indicated in Sections 18-28-1205.1.1 through 18-28-1205.1.6.

18-28-1205.1.1 Heat exchangers.

   Shutoff valves shall be installed on the supply and return side of a heat exchanger.

   Exception: Shut off valves shall not be required when heat exchangers are integral with a boiler; or are a component of a manufacturer's boiler and heat exchanger packaged unit, and are capable of being isolated from the hydronic system by the supply and return valves required by Section 18-28-1005.1.