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Sealing rings like this are important because many equipment joints depend on a small elastic seal rather than a rigid gasket
which can make equipment renewal much simpler when the original unit is worn out or damaged
This Waterway part is especially practical during a more complete rebuild where internal flow components need to be renewed alongside visible trim pieces
and Cal III models
Dimension One D-1 Repl. Flow Switch, [3/4" S x 3/4" B] (1710-130) pooltool Sealing rings like this areA replacement flow switch helps verify water movement through a compatible heating system so the spa can maintain intended heater support, and this Dimension One D 1 flow switch is designed with 3 4 inch slip by 3 4 inch barb connections for matching applications. When the original switch becomes inconsistent or nonfunctional, the system can lose a key flow related operating check. The D 1 compatibility and mixed slip to barb connection design give
