MD 238216 002 HWH Stacked Coil w Mixing Valve

A detailed engineering drawing of a hot water heating coil piping system, specifically showing connections for stacked coils. It features piping and valve configurations, with several labeled components. The diagram is mostly black and white, featuring geometric representations and technical symbols. Two sections labeled “SECTION #1” and “SECTION #2″ are depicted with airflow arrows pointing through them. Various valves and fittings, such as a 3-way control valve, automatic air vent, balance valve, pressure gauge, and thermometer, are indicated with typical flow directions. Piping connections include components like 1” drain valve, Pete’s plugs, union or flange, and strainer. Textual notes at the bottom provide additional construction details.