Pilonidal cyst, also referred to as a pilonidal abscess, pilonidal sinus or sacrococcygeal fistula, is a cyst or abscess near or on the natal cleft of the buttocks that often contains hair and skin debris. 1 Signs and symptoms 1.1 Pilonidal sinus. 2 Causes.
4. Remove the flow restrictor, which is a plastic disc that covers the shower head inlet located behind a star-shaped metal piece in the shower head. Hook the paper clip under one section of the flow restrictor and twist it to pry up and remove the flow restrictor.emove the flow restrictor, which is a plastic disc that covers the shower head inlet located behind a star-shaped metal piece in the shower head.
Pressure Washer Unloader Valve-Pressure Regulator. The pressure cleaner's unloader valve functions as a safety device. Unloader valves control the direction of the flow of water exiting the pump. A positive displacement pump always delivers water, regardless of whether the spray gun is open or closed. âFlow Actuatedâ unloader valves respond to the interruption of water flow to the nozzle. 2  These valves sense any decrease in flow from the valve to the spray gun and initiate the bypass loop in response. 3  Unlike Trapped Pressure valves, no pressure is trapped, so no âkick backâ occurs when water is re-released.