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Michigan Administrative Code (Last Updated: November 16, 2016) |
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Department LR. Licensing and Regulatory Affairs |
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Bureau of Construction Codes |
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Chapter Construction Code - Part 9A. Mechanical Code |
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Part 9A. MECHANICAL CODE |
Section 408.30947a. Boiler connections.
Latest version.
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a. Section 1005.1 of the code is amended to read as follows:
1005.1 Valves. Every boiler or modular boiler shall have a shutoff valve in the supply and return piping. For multiple boiler or multiple modular boiler installations, each boiler or modular boiler shall have individual shutoff valves in the supply and return piping.
Exception: Shutoff valves are not required in a system having a single low-pressure steam boiler. When a boiler is located above the system and can be drained without draining the system, stop valves may be eliminated.
History: 2013 AACS.