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FISH4431 was damaged whenyacht was taken out4antifouling.The FISH4431 box is fine. Its a discontinued product but can a alternative in production,one that can be sourced become available for our unit.

Electronically it works except the impeller. Its damaged and does not rotate underwater. Where can we find another. Is there another NAVMAN product that has a similar transducer with a similar impeller?

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I would guess that your paddlewheel transducer is an ST850 and manufactured by Airmar.
Check the link below, the top two on the page are ducers for temperature and speed. (First one is a plastic housing, second one is brass)
Any chandler should easily be able to help you out.

Hope this helps.

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Posted on Apr 02, 2015


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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