Shaft seals are used to seal the wet end house against the motors shaft and are made up of two parts, a ceramic ring and a spring with carbon end bearing, when combined together they produce a water tight seal that fits inside/between the rear volute of the wet end impellor. These seals are more durable than regular pumps seals with much improved resistance to heat and chemicals. Great for pool and spa applications where Ozone salt bromine and chlorine are used.
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