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Old 11-26-2021, 06:03 PM   #1
tiz
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2001 Ms390 plumbing

Anyone know what brand was used for the plumbing fittings? Doesn’t look like whale. Plastic compression fittings not the stab-fit type or whatever they are called ( like whale )

Need to cap a t fitting.

—Kevin
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Old 11-26-2021, 06:18 PM   #2
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No idea what was used but there is probably a Shark fitting that will work.
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Old 11-26-2021, 06:19 PM   #3
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How about a picture of a fitting?
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Old 11-26-2021, 06:40 PM   #4
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Most of the tubing used is marked with the size and most marine / MS is 14mm. As long as you use the correct size any brand should be satisfactory as a replacement.
A pic would help find the exact replacement.
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Old 11-26-2021, 06:56 PM   #5
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Ok can try to get a pic. More to follow possibly sunday



—Kevin
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Old 11-26-2021, 08:15 PM   #6
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Mainship used SeaTech 15mm fittings. They are close to 1/2" but when I tried using that size it leaked. I think Don made a typo when he said 14mm.
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Old 11-28-2021, 11:47 AM   #7
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Quote:
Originally Posted by tiz View Post
Anyone know what brand was used for the plumbing fittings? Doesn’t look like whale. Plastic compression fittings not the stab-fit type or whatever they are called ( like whale )

Need to cap a t fitting.

—Kevin
Seatech 15mm fittings are used easy to tell Black are 15mm and white is 1/2" it should be 1/2" to the pump and 15mm after that, do not use hardware store pex it will leak
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Old 11-28-2021, 11:49 AM   #8
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Quote:
Originally Posted by tiz View Post
Anyone know what brand was used for the plumbing fittings? Doesn’t look like whale. Plastic compression fittings not the stab-fit type or whatever they are called ( like whale )

Need to cap a t fitting.

—Kevin
https://www.marineoutfitters.ca/inde...e=840213134006 this should help
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Old 12-01-2021, 10:30 AM   #9
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You'll need to look closely at the water lines themselves. They should have the size printed on them. My 1999 uses 3/8" ID. It's very difficult to find the fittings. I suspect the idea was to maintain water pressure and reduce water usage. Every other US boat I've ever seen uses 1/2". 15mm looks and feels close to 1/2", but leaks.
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Old 12-01-2021, 11:27 AM   #10
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You'll need to look closely at the water lines themselves. They should have the size printed on them. My 1999 uses 3/8" ID. It's very difficult to find the fittings. I suspect the idea was to maintain water pressure and reduce water usage. Every other US boat I've ever seen uses 1/2". 15mm looks and feels close to 1/2", but leaks.
Cant speak for the older 390's / 350's pre 2001 but for sure the plumbing after 2000 are SeaTech 15MM Black and pre pump they are white Sea Tech which is 1/2"
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Old 12-01-2021, 08:22 PM   #11
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This is the t connection . Id like to cap off the branch that runs toward the camera.

I measured tube id/od and found it about 16mm/.62” od and 11mm/.48” id.



So what do i need to cap it off or get more plumbing parts for repairs in the future?
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Old 12-02-2021, 04:01 PM   #12
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The label on the pipe indicates PEX water distribution pipe. It will conform to standard PEX sizing charts.

Check out this Amazon listing for your fitting:

https://www.amazon.com/Flair-16820-P...234240704&th=1
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Old 12-02-2021, 04:14 PM   #13
tiz
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Quote:
Originally Posted by Eagle Pursuit View Post
The label on the pipe indicates PEX water distribution pipe. It will conform to standard PEX sizing charts.

Check out this Amazon listing for your fitting:

https://www.amazon.com/Flair-16820-P...234240704&th=1
You sir are most helpful.

I found Caps on amazon and ordered. Plus now I know what plumbing the boat has.

Thanks much.

--Kevin
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