Attwood Automatic Float Switch

Priced: $34.99 Rated:   - 1 stars out of 5 by 5 reviews.
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Attwood Automatic Float Switch -

Converts any Attwood or competitive model to automatic operation. Fully sealed and isolated from moisture and shock. 

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Attwood Automatic Float Switch Reviews:


Bad Design

This switch was original equipment in my shower sump and in the 5 years I've owned this boat I've replaced the switch 3 times. The switch works for a short period of time and then will not activate when the water level rises above the float. Slight upward pressure activates the switch but the leverage from the float is insufficient to make the contact. I'm currently looking for something that does NOT have mechanical contacts. Lets hear it for the good-old-days of mercury switches
Botamon at on 08/08/2012

float switch issues

In a shower sump. I replace the float every year or two. The float will be completely under water and it will not turn on the pump. By very lightly manually lifting the float the switch then will click and it works, for 1 cycle. The float works fine but after time the switch gets harder to press. Definately has a switch design issue. All 7 or 8 I have replaced have had the same problem in about a year..
John R. at on 12/12/2011

Not worth it.

I had an Attwood switch that leaked shortly after purchasing it brand new.

When I went to fix it, I found that Attwood made it impossible to service or repair.

I was highly disappointed, and over 1000nm from the nearest shore at the time. It failed when I needed it the most.

You can read my full review and see photos of the inner workings of this switch in the 'reviews' section of
Sailor Rob at on 12/12/2012

worst pump ever

The product is in an A/C water sump. Custom fitting requires replacement with exact duplicate. Durability less than one season. Fails to turn on and empty sump even after constant cleaning and maintanance. Have replaced five switches in five years.
Lucky at on 08/08/2011

Cheaper at [...]

Found this for half the price at , not sure if any good, but for [$] I can replace every year if nessasary
mdr000069 at on 08/08/2011