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Old 06-10-2016, 18:32   #16
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Re: Marelon fittings?

Here you go, 85-5-5-5 bronze.
Bronze Fittings & Thru-Hulls
Most marine stores carry this. It is sometimes called red brass. With only 5% zinc, it holds up well in salt water.
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Old 06-10-2016, 18:37   #17
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Re: Marelon fittings?

Quote:
Originally Posted by osprey877 View Post
Thanks all for advice on the Marelon v. Bronze issue. However, what I need is advice on how to connect three 3/4' hoses to a Marelon seacoc (or a bronze seacock if I can find the bronze fittings I need. I think need a bronze or marelon pipe cross or a Tee) and a short nipple to connect the cross to the seacock. I cannot find any tees or cross or pipe nipples in anything other than brass or galvanized black pipe. Does anybody know any source for these in bronze (or Marelon or similar)? If I can't find in bronze or Marelon, am I better off using nylon or brass? If I cant find a bronze pipe nipple, am I better off using a short length of hose, or a brass pipe nipple?
Try industrial suppliers, like McMaster Carr. Heavy duty nylon fittings are not that rare, they are used a lot in the chemical industry.
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Old 06-10-2016, 18:57   #18
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Re: Marelon fittings?

If you want high quality plastic fittings, look for Banjo brand glass reinforced polypropylene fittings.
Polypropylene Fittings
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Old 06-10-2016, 19:10   #19
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Re: Marelon fittings?

There are no triple marelon fittings. You will have to start with a double and then convert one of the lines to a double by adding a T fitting. Because you don't use the deck wash too often that should be one of the lines on the T.
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Old 06-10-2016, 23:36   #20
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Re: Marelon fittings?

Vancouver, Canada. Lots of cast yellow brass fittings available, but can't find any bronze.
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Old 07-10-2016, 12:46   #21
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Re: Marelon fittings?

Thanks for the info.
Savor: I cannot find a marelon tee or any way to make a double in marelon, let alone a triple.

Hopcar: Is there any potential corrosion problem mixing the red brass fittings with the Groco bronze seacock? If not, Do you have a red brass cross, or do I need to use two tees?

Thanks
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Old 07-10-2016, 14:19   #22
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Re: Marelon fittings?

There are no T fittings in Marelon so use nylon. They come in lots of sizes.
White Nylon Hose TEE Connector / Adapter

Double Marelon valves are here:
OEM - Thru Hulls Valves
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Old 07-10-2016, 15:03   #23
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Re: Marelon fittings?

"Hopcar: Is there any potential corrosion problem mixing the red brass fittings with the Groco bronze seacock? If not, Do you have a red brass cross, or do I need to use two tees? "

No corrosion problem. That is the same alloy that Groco uses.
No, I'm sorry I don't stock a cross. I could get one in a couple of days.
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Old 07-10-2016, 18:30   #24
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Re: Marelon fittings?

Install a real bronze sea cock. Forget about Mickey Mouse T's and plastic fittings.
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Old 10-10-2016, 22:28   #25
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Re: Marelon fittings?

Okay, thanks all for the help. I think I'll go with bronze/red brass.
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