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I probably did not make myself clear regarding the electric toilets. I later model SMs and all models from the 54 onward, Amel installed a current leak detector (MASS). It is a small toggle switch and LED which will test for a connection between the house bank positive and Bonding as well as the house bank negative and bonding.
When a failure is indicated by the LED, it is almost always caused by a failed seal on the macerator pump on the toilet, unless of course if someone has made some change or addition to the wiring anywhere on the boat.
This is what it looks like on a 54:
Snippet from my book:
In your case without the Amel-designed testing device, I think you can do this to see if you have a leak...finding it will be another chapter...let me know.
Bill , That is why I asked, I thought it may present a problem . I suppose I could cap the end or keep it out of the tank and store it elsewhere.
You may remember that I have been eating up my zincs faster than normal. You have said that the electric toilets are a source of electrical leak. Does that occur only when you run it ,have the switch on? Maybe I should email yo direct or put it a new thread.
From: CW Bill Rouse <brouse@...
Sent: Sat, Jul 24, 2021 2:59 pm
Subject: Re: [AmelYachtOwners] Fuel Stick
The reason you should not is that your SM tank is made of 316 stainless steel. You will get dissimilar metal corrosion where the stick touches the tank...worse case is that the corrosion will penetrate the tank.
The above is not true with later model tanks beginning with the 54 that are made of aluminum.
I broke my plastic fuel stick , I am thinking about making one from aluminum bar stock. Is there any reason that would be a problem to use in the fuel tank ?