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post #5 of Old 09-08-2013
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Re: Raw water pump flow warning buzzer?

Originally Posted by hopcar View Post
The Aqualarm system works well and it can prevent damage to the impeller of your raw water pump if the intake gets blocked.
When the overheat alarm goes off your impeller is already in little pieces caught in the heat exchanger.
One of our cruising flotilla boats this past summer could've used such a system.. somehow they lost their impeller, didn't notice until they melted their (plastic) waterlift.. They lost a week waiting for parts.


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