Sprinkler Head (2 arm) The 2 arm sprinkler head is used in situations where there is insufficient water pressure to spin the sprinkler head. For example, when two or more growing barrels are in use. This piece does get clogged with mineral deposits and debris from the seeds. It need to be cleaned regularly and if you are having trouble it is a good idea to replace them annually.

Sprinkler Head (4 arm) The Sprinkler Head is the part that spins and waters the sprouts. This piece does get clogged with mineral deposits and debris from the seeds. It need to be cleaned regularly and if you are having trouble it is a good idea to replace them annually.

Pressure Control Tube This is the tube with a disc on the bottom. Its purpose is to capture the water from the motor and send it up to the sprouting barrel. This piece is made up of two parts. It should be cleaned with a toothbrush and a pipe cleaner.

Straight Tube This is a straight tube made up of two pieces. Its job is to transfer the water to the Sprinkler Head. It sits inside the sprouting barrel and should be cleaned periodically with a pipe cleaner.