A hydrostatic tube test kit will;

On low pressure chillers, moisture most frequently enters the refrigerant system through;

When it is essential to take measures to help release trapped refrigerant from the compressor oil during refrigerant recovery;

Explain why triple evacuations are not normally performed on large systems.

When servicing a small appliance for leak repair;

At what pressure range does the technician valve off the vacuum pump when evacuating to a deep vacuum?

The sale of CFC and HCFC refrigerant is ;

EPA regulations include which of the following in the definition of a small appliance?

System-dependent recovery methods may only be used on appliances containing;

Recovery equipment used during maintenance service, or repair of small appliances must be certified by an EPA approved lab if manufactured after;