A sight glass is commonly installed in the liquid line of systems that use a thermostatic expansion valve (TXV) metering device, and it allows technicians to view the condition of the refrigerant at ...

I recently serviced a two-door reach-in cooler served by a 11/4-hp Copeland high temperature R-22 condensing unit employing a capillary tube system. The windings in this unit were shorted to the ...