Ideal Flow Sensor/Turbine Kit 176473

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The flow switch acts as a safety device. It is a switch with an in-built sensor that sits in the pipework for both the domestic hot water and heating systems. When the pump is acti vated, the flow switches senses this movement and feeds the information back to the printed circuit board, allowing the ignition sequence to progress. The flow switches function is to make sure that the burner cannot switch on whilst the system is dry or low on water. Show more