What is the difference between Spa Pump wet end and dry end?
On a pump there is a dry end where the power comes through and the motor runs. This drives a shaft which goes through a mechanical seal to the wet end.
The mechanical seal is made up of a series of ceramic and some bearings which seals the shaft between the dry end of the pump and the wet end of the shaft.
We have a detailed article about what pumps are, its parts, and a lot more useful information.
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