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// CODE SNIPPET

1205.0 Installation, Testing, and Inspection

California Mechanical Code 2019 > 12 Hydronics > 1205.0 Installation, Testing, and Inspection
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1205.1 Operating Instructions

Operating and maintenance information shall be provided to the building owner.

1205.2 Pressure Testing

System piping and components shall be tested with a pressure of not less than one and one-half times the operating pressure but not less than 100 psi (689 kPa). Piping shall be tested with water or air except that plastic pipe shall not be tested with air. Test pressures shall be held for a period of not less than 30 minutes with no perceptible drop in pressure. These tests shall be made in the presence of the Authority Having Jurisdiction.

Exception: For PEX, PP-R, PP-RCT, PEX-AL-PEX, PE-RT, and PE-AL-PE piping systems, testing with air shall be permitted where authorized by the manufacturer's instructions for the PEX, PP-R, PP-RCT, PEX-AL-PEX, PE-RT, and PE-AL-PE pipe and fittings products, and air testing is not prohibited by applicable codes, laws, or regulations outside this code.

Note: [HCD 1 & HCD 2] PEX-AL-PEX is not adopted in the California Plumbing Code for use in potable water supply and distribution systems.

1205.3 Flushing

Heating and cooling sources, system piping and tubing shall be flushed after installation with water or a cleaning solution. Cleaning and flushing of the heating and cooling sources shall comply with the manufacturer's instructions. The cleaning solution shall be compatible with all system components and shall be used in accordance with the manufacturer's instructions.

Related Code Sections


1205.0 Hydronics, Installation, Testing, and Inspection
System piping and components shall be tested with a pressure of not less than one and one-half times the operating ...
California Mechanical Code 2019 > 12 Hydronics > 1205.0 Installation, Testing, and Inspection
1205.0 Hydronics, Installation, Testing, and Inspection
System piping and components shall be tested with a pressure of not less than one and one-half times the operating ...
California Mechanical Code 2016 > 12 Hydronics > 1205.0 Installation, Testing, and Inspection
1205.3 Hydronics, Flushing
Heating and cooling sources, system piping and tubing shall be flushed after installation with water or a cleaning solution. Cleaning and flushing ...
California Mechanical Code 2019 > 12 Hydronics > 1205.0 Installation, Testing, and Inspection > 1205.3 Flushing
1205.4 Hydronics, Oxygen Diffusion Corrosion
PEX, PE-RT, and PB tubing in closed hydronic systems shall contain an oxygen barrier ...
California Mechanical Code 2016 > 12 Hydronics > 1205.0 Installation, Testing, and Inspection > 1205.4 Oxygen Diffusion Corrosion
1202.2 Fuel Gas Piping, Piping System Requirements
Piping systems requirements shall include design, materials, components, fabrications, assembly, installation, testing, inspection, operation ...
California Plumbing Code 2016 > 12 Fuel Gas Piping > 1202.0 Coverage of Piping System > 1202.2 Piping System Requirements
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