Do you know what this steam contol is?

[Deleted User]

We ran across this vacuum controller at a school it is tied into the steam regulator.Does anyone know what is is or how it work?

nugs

What control?

No picture.................................. But I'll guess its a vapor stat

[Deleted User]

Added Picture Sorry

Some how the pictures did not get attached???

[Deleted User]

It is pipe to this regulator

It is pipe to this regulator

Steamhead

Is the regulator

placed on the steam main at the boiler?



If so, that control adjusts the regulator to maintain a specified vacuum. With this setup, there is vacuum in the steam mains as well as the returns. This might be a Dunham Vari-Vac or similar system.