An aquastat is a hot water boiler fitting that measures the water temperature in the boiler and controls the temperature by starting and stopping the burner.
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A burner is the heat-producing component of a combustion boi…
A burner is the heat-producing component of a combustion boiler where fuel is burned.
A safety data sheet (SDS) is an informational form used to r…
A safety data sheet (SDS) is an informational form used to relay chemical hazard information from the manufacturer, importer, or distributor to the employer.
The capacity of a safety valve is measured by the amount of…
The capacity of a safety valve is measured by the amount of steam that can be discharged per ___.
Scale is caused by ___.
Scale is caused by ___.
A ___ valve is a valve that allows fluid to flow by raising…
A ___ valve is a valve that allows fluid to flow by raising or lowering a valve disc against a seat.
A ___ valve is a valve that allows fluid to flow by raising…
A ___ valve is a valve that allows fluid to flow by raising or lowering a valve disc against a seat.
Boiler ___ is a condition that occurs when a boiler is opera…
Boiler ___ is a condition that occurs when a boiler is operating at or above its maximum allowable working pressure.
Scale is caused by ___.
Scale is caused by ___.
A(n) ___ sensor is a flame sensor that senses light frequenc…
A(n) ___ sensor is a flame sensor that senses light frequencies that are higher than those visible to the eye.