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Old 06-11-2021, 22:55   #1
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Location: Originally Brisbane Australia, now eastern seaboard Australia
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TMC Electric Head (Toilet) model 99902

We also acknowledge these are not the 'Rolls Royce' of marine heads.

We are on to our third TMC since 2014, corrosion on the face plate creates a leak.

So whilst not friendly to the wider environment, having 'no leak' on the downstream side of the head is a whole lot more environmentally friendly on board.

Until head #3, when in use, the previous 2 motors have operated at a high pitch wine noise. Those 2 have been comparable to the motor's noise on some youtube videos available online.

Head #3 has constantly operated at a much lower sound, like it is really labouring. The head was installed in August 2020 and used full time for three months, then sporadically. We are careful to flush the lines with fresh water when not in use and find that vegetable oil can also assist the seals and the pump.

We thought that maybe it was just the motor, but it has now reached the point that the impeller needs to be manually turned (using a screwdriver) to get it to work. The electrical performance of the boat has been consistently good.

Email contact with TMC has proven fruitless, so far.

I am about to pull the motor off and see what I can find out. What should I be looking for, and what should I do to 'free up' the motor?

TIA
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Old 07-11-2021, 07:21   #2
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Re: TMC Electric Head (Toilet) model 99902

You've already spent more for replacements for this toilet than one decent quality toilet would have cost you. Stop throwing good money after bad and replace the pump/motor assembly with a Jabsco 37010 replacement pump/motor assembly.



--Peggie
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Old 07-11-2021, 19:00   #3
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Re: TMC Electric Head (Toilet) model 99902

Quote:
Originally Posted by peghall View Post
You've already spent more for replacements for this toilet than one decent quality toilet would have cost you. Stop throwing good money after bad and replace the pump/motor assembly with a Jabsco 37010 replacement pump/motor assembly.



--Peggie
Thanks Peggie, I defer to your quarter of a century of specialist experience ..... So, it is just a straight substitution - TMC motor out and Jabsco in???
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Old 07-11-2021, 19:05   #4
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Re: TMC Electric Head (Toilet) model 99902

Not just the motor...the complete pump/motor assembly. Your bowl will fit it.


--Peggie
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Old 07-11-2021, 19:54   #5
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Re: TMC Electric Head (Toilet) model 99902

Hi Peggie - Motor & assembly - per the attached pic.... sincere thanks again for sharing your expertise.
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