Yes they are. It is situates before the expansion valve just after the condenser coils. It filters the liquid refrigerant that goes towards the evaporator valve from the condenser. With fine filters, these can remove 20 micron or above from the system. Modern versions of these parts have sight glass that enables you see the level of refrigerant. Some have chemicals that can detect level of moisture bases on color of the fluid
Before we get to learn about the ways of replacing a leak in a copper tube, it is recommended that we have an idea of the causes of leaks in a coper ...
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