The Audex Seal Protection Device is activated as soon as it senses any moisture behind the first seal. It can be configured so that a red light indicates a seal failure and the pump is automatically turned off. This removes the risk of the second seal failing and the motor burning out which would clearly result in a costly pump rebuild. This means you only have replace a low cost seal rather than expend thousands on a new pump or refurbishment.
Furthermore, the pump is only likely to be out of action for a matter of hours over against the possibilities of a long and costly repair project or long lead time on a new pump.
