12 Meter International Water Heater Replacement

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tcollins2
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Joined: Wed Jun 17, 2015 1:25 pm
Location: Huntington, NY

12 Meter International Water Heater Replacement

Postby tcollins2 » Wed Oct 18, 2017 11:25 am

Hi,
I was blowing out the water system with an air compressor over the weekend and I noticed bits of rust coming out of the faucets when I was isolating the hot water side of the system. I anticipate that I'm due for a new hot water heater soon. Probably original 1990. Anyone do this yet? How do get that out from under the counter? Take off the counter top or take the dinette seat back off? Any other hints are welcome.
1990 Trojan 12M International Express Detroit Diesels 6-71T's, 425HP

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El L Sea
2018 Gold Support
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Posts: 80
Joined: Fri Oct 23, 2015 8:27 am
Location: Fort Myers, FL

Re: 12 Meter International Water Heater Replacement

Postby El L Sea » Wed Oct 18, 2017 11:53 am

Just did my 12m Sedan last weekend. When i got it out you can see how much rust. Luckily in the Sportfisherman, the heater is under the stairs, so I just lifted it out. The good news is the Raritan replacement has a plastic outer shell.

Heater Rust.jpg
Heater Rust.jpg (99.61 KiB) Viewed 135 times
El L Sea
Fort Myers, FL
1988 Trojan 12m International Sport Fisherman
2017 Boston Whaler 130 Tender w/ 40HP Mercury

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tcollins2
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Posts: 82
Joined: Wed Jun 17, 2015 1:25 pm
Location: Huntington, NY

Re: 12 Meter International Water Heater Replacement

Postby tcollins2 » Wed Oct 18, 2017 11:59 am

I have the express, so it's under the countertop to the left of the sink, under the coffee maker. Borrowed photo.
ExpressWaterHeater.jpg
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1990 Trojan 12M International Express Detroit Diesels 6-71T's, 425HP

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tcollins2
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Posts: 82
Joined: Wed Jun 17, 2015 1:25 pm
Location: Huntington, NY

Re: 12 Meter International Water Heater Replacement

Postby tcollins2 » Thu Jan 18, 2018 11:07 am

Has anyone tried an electric instant heat unit instead of a storage unit?
I think it would be easier to winterize and you wouldn't have to carry that extra weight.
1990 Trojan 12M International Express Detroit Diesels 6-71T's, 425HP

User avatar
El L Sea
2018 Gold Support
2018 Gold Support
Posts: 80
Joined: Fri Oct 23, 2015 8:27 am
Location: Fort Myers, FL

Re: 12 Meter International Water Heater Replacement

Postby El L Sea » Thu Jan 18, 2018 4:00 pm

tcollins2 wrote:Has anyone tried an electric instant heat unit instead of a storage unit?
I think it would be easier to winterize and you wouldn't have to carry that extra weight.


Extra weight is always relative, we always want to carry more water, unless we bring a water maker.

When we go offshore we carry an additional 150 gallon diesel bladder and a 120 gallon water bladder. Plus people, ice, gear, etc.

The only decent instant heaters that can run a lot are usually 240 volt, otherwise they are point of use, which usually means a sink, not a shower.
El L Sea
Fort Myers, FL
1988 Trojan 12m International Sport Fisherman
2017 Boston Whaler 130 Tender w/ 40HP Mercury


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