Diverter fittings are used to supply cold water to a heating unit while maintaining the required flow of cold water to the next heating unit.

A(n) ___ is a cooling system that uses direct expansion of the refrigerant in the evaporator coil to cool a building’s interior air.

Diverter fittings are used to supply cold water to a heating unit while maintaining the required flow of cold water to the next heating unit.

A quick-open bottom blowdown valve is located ___.

To prevent damage to a brick refractory, the furnace ___.

An evaporation test is performed by blowing down the low water fuel cutoff.

If the automatic makeup water feeder on the surge tank fails to supply water to the tank, the ___ will shut off the feedwater pump in order to protect the pump.

When blowing down the water column of a boiler, the water column blowdown valve is opened for 5 sec to 10 sec, allowing water and any sludge and/or sediment to be discharged.

When blowing down the water column of a boiler, the water column blowdown valve is opened for 5 sec to 10 sec, allowing water and any sludge and/or sediment to be discharged.

Small particles of water carried into steam lines are called ___.