Vacuum is pressure ___ pressure.

The ___ is the part of a boiler with water on one side and heat from gases of combustion on the other.

A temperature-pressure gauge indicates the ___.

A temperature-pressure gauge indicates the ___.

The ___ is the part of a boiler with water on one side and heat from gases of combustion on the other.

On large boilers, the main steam stop valve can be high above the floor.

Two common types of steam siphons are the ____ siphons.

On large boilers, the main steam stop valve can be high above the floor.

A pressure control is located at the highest part of the steam side of a boiler.

A relatively new method of testing steam traps is to measure ___ to determine the presence of steam.