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The Water Block is a flood prevention device. If the volume of water passing through the valve exceeds a pre-set value, the water block automatically closes the water supply. The water block is mechanical and does not require an energy source.
There is an optional reset function which can be fitted to the outlet port. To reset the Water Block after a failure incident it is possible to use the optional reset device. This can also be used to reset the safety flow rate at different levels.