Steam Humidifier in Large Rooftop Unit

Steam humidifier is piped directly to the building steam boilers that are also used for heating the building.

[@engma91477]

I’m guessing the steam is coming from a central boiler?

[@spinningfans873]

You nailed it. Steam is piped to the same boilers that heat the building.

[@Uncle_9-11]

Is it broken or leaking?

[@spinningfans873]

It is actually working correctly. It puts steam into the airstream to humidify the space below.