A tankless boiler has an added heat exchanger to remove the required additional heat from the gases of combustion in order to allow the water vapor to condense.

A ___ pump draws fuel oil from a fuel oil tank and delivers it to a burner at a controlled pressure.

___ are located on the blowdown line used to release water from the bottom of a boiler.

A tankless boiler has an added heat exchanger to remove the required additional heat from the gases of combustion in order to allow the water vapor to condense.

___ applications use steam to produce heat, force, and/or mechanical action in a production application.

A temperature-pressure gauge indicates the ___.

A temperature-pressure gauge indicates the ___.

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.