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Does the hydronic heating water system need to comply with the mechanical code under this piping arrangement?

April 26, 2017Arrangement code comply heating hydronic mechanical Piping system water

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Does the hydronic heating water system need to comply with the mechanical code under this piping arrangement?

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“Closed systems” are regulated under the OMSC and the ODSC. If a system uses potable hot water for both domestic and heating purposes (“Open system”), it would be regulated under the OPSC.