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1214.4 Automatic Makeup Water
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Where an automatic
makeup water supply fill device is used to maintain the water
content of the heat-source unit, or any closed loop in the system,
the makeup supply shall be located at the expansion tank
connection.
A pressure-reducing valve shall be installed on the makeup water feed line. The pressure of the feed line shall be set as specified in the design of the system, and connections to potable water shall be in accordance with Section 1202.0 to prevent contamination due to backflow.
A pressure-reducing valve shall be installed on the makeup water feed line. The pressure of the feed line shall be set as specified in the design of the system, and connections to potable water shall be in accordance with Section 1202.0 to prevent contamination due to backflow.
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