Page 75 - 2018_IPC

WATER SUPPLY AND DISTRIBUTION

4. The procedure shall be repeated where shown by a bac-
teriological examination that contamination remains
present in the system.

SECTION 611
DRINKING WATER TREATMENT UNITS
611.1 Design. Point-of-use reverse osmosis drinking water
treatement units shall comply with NSF 58 or CSA B483.1.
Drinking water treatment units shall meet the requirements of
NSF 42, NSF 44, NSF 53, NSF 62 or CSA B483.1.
611.2 Reverse osmosis systems. The discharge from a
reverse osmosis drinking water treatment unit shall enter the
drainage system through an air gap or an air gap device that
meets the requirements of NSF 58 or CSA B483.1.
611.3 Connection tubing. The tubing to and from drinking
water treatment units shall be of a size and material as recom-
mended by the manufacturer. The tubing shall comply with
NSF 14, NSF 42, NSF 44, NSF 53, NSF 58 or NSF 61.

SECTION 612
SOLAR SYSTEMS
612.1 Solar systems. The construction, installation, alter-
ations and repair of systems, equipment and appliances
intended to utilize solar energy for space heating or cooling,
domestic hot water heating, swimming pool heating or pro-
cess heating shall be in accordance with the International
Mechanical Code.

SECTION 613
TEMPERATURE CONTROL DEVICES AND VALVES
613.1 Temperature-actuated mixing valves. Temperature-
actuated mixing valves, which are installed to reduce water
temperatures to defined limits, shall comply with ASSE
1017. Such valves shall be installed at the hot water source.

58 2018 INTERNATIONAL PLUMBING CODE ®
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