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Thu, May 19 2022, 01:06Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 123456[7]8910 ]

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Date Posted: - Tuesday - 05/22/07 - 9:32pm
Author: Randall
Subject: Plumbing schematic?
In reply to: Bryan 's message, "installing a holding tank" on - Tuesday - 05/22/07 - 7:35pm

Dude you ask for a lot! :-)

Here's how the holding tank is arranged on Murre, M31 (was installed prior to my acquiring the boat).

Holding tank is hung to the vberth supports from underneath and is about 10 gallons, so it is effectively above the head. The tank is rectangular and is hung vertically.

The tank has four hose connections, all of which come off the tanks aft facing panel:

1) a small venting hose at top that runs to a small bronze mushroom head in the hull about 6 inches below the hull flange (this so you can create a riser in the hose) in an area roughly adjacent to the head port (window); 2) the inflow from the head connects at top as well, running from the head, under the sink, through the vberth bulkhead and up to the tank; 3) at the bottom of the tank panel is the outflow to the pumpout deck plate located in the deck roughly adjacent to the head port (window); 4) a second outflow hose runs to a through hull thats been installed under the head sink.

The original through hull aft of the head is no longer used.

This installation works fine though a siphon break should have been installed.

Some boats have the holding tank installed under the most forward section of the starboard salon settee.

Not sure your reference to the galley, but on Murre none of the hosing runs aft of the head.

Hope that helps.


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[> [> reply to murre -- Bryan, - Tuesday - 05/22/07 - 9:48pm

Ya I do ask for a lot because I have been looking at a few mariners and want to know what im getting myself into before I buy it. This M31 I am seriously looking at buying was never finished by Clair Oberly, I need to install a head and sink, and the other sink in the galley. I have been looking for a chart to look at to get a better understanding. The boat came with a water tank but no holding tank.

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[> [> [> Bluffing, Bryan -- Randall, - Wednesday - 05/23/07 - 12:45pm

Hey, Bryan, hope you know I was just pulling your leg.

The only drawings that have ever been discovered for the M31 (to my knowledge--happy to be wrong) are the profile drawing and the electrical schematic, both on the MOA site.

But it sure never hurts to ask.

Good luck in your search and assessment.


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