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Flow Switches

Flow switches fit into the plumbing rather than onto a heater directly, their they have been added to the 'other hot tub electrical items catagory', instead of the heater spares catagory.

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Harwil Flow Switch
Harwil Flow Switch 3 Port
Harwil Flow Switch Long Probe
Harwil Flow Switch Short Probe

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Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz