Gas piping connects a new boiler at a point of connection labeled POC TO BOILER and to the existing gas line at a point of connection labeled POC TO (E) G. The vertical gas drop features a three-inch minimum drip leg with a drain cap at the base before entering the boiler cabinet. Inline components include a union fitting, a pressure regulator, isolation valves, and a motorized valve labeled MV on the feed line.
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