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2-1/2 inch union with 2 inch slip tailpiece
more dependable surface-skimming behavior
That helps restore cleaner performance with a direct replacement set matched to the intended environment
4 pin connection for compatible systems
Coates Harwil Q8DS/A Flow Switch [1" MPT] [15A] (23000102) poolvergnuegen 2-1/2 inch union with 2A flow switch helps verify that water is moving through the system before heating is allowed to operate, and this Coates Harwil Q8DS A flow switch is designed for compatible applications using a 1 inch MPT connection and 15 amp rating where the original switch has failed or become unreliable. When flow verification stops working correctly, the heater can lose one of its most important protective functions. The Harwil Q8DS A format, 1 inch MPT
