The later30-1’s have a holding tank directly behind the toilet, in the compartment under the sliding plastic doors. Factory item, looks like it was built in, with a Y valve under the sink going to a thru hull, also under the sink, and diverting to the holding tank. Pump out fitting is on the deck by the port. There is an access port to the tank on the ‘floor’ of the cabinet behind the doors.
It may be easier to put a pre-fab tank or a flex tank like Jake says in the area you are thinking about by inserting it through the large center opening in the vee berth and run the plumbing up forward on the port side. To do a tank where mine is would require some creative cabinetry and a custom built tank (it tapers to match the side of the boat). Gary #593 From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Jake Brodersen via CnC-List Sent: Tuesday, October 11, 2016 9:26 PM To: cnc-list@cnc-list.com Cc: Jake Brodersen <captain_j...@cox.net> Subject: Re: Stus-List V Berth Holding Tank Colin, Nauta makes some good flexible tanks. I’ve had one in my 35-3 for over 15 years and no problems or smells. Jake Jake Brodersen C&C 35 Mk-III “Midnight Mistress” Hampton VA From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Collin Ferguson via CnC-List Sent: Tuesday, October 11, 2016 19:49 To: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> Cc: Collin Ferguson <cferg...@yahoo.com <mailto:cferg...@yahoo.com> > Subject: Stus-List V Berth Holding Tank Hello, This is my first posting to this list. I'm used to forums like on the Moyer site, so hopefully I'm doing this right. I have a 1974 C&C 30 MK1. To my knowledge, it was built without a blackwater holding tank for the Head. At some point over the last 40 years a P.O. put a 5 gallon Jerry can in a storage compartment in the V Berth and installed a Y valve after the macerator. One side of the Y valve goes overboard the other goes to the Jerry can. I'd like to install a legitimate holding tank and I think the storage compartment on the Port side of the V berth is a good spot. Here's my question... The current opening to that storage compartment is very small, just barely fits the square 5 gallon jerry can. Can I make that opening bigger without affecting the structural integrity of the boat? I understand that I'll have to make the hatch sturdy so it won't fall through when you sleep in the v berth. There is a lot more to do, like install and plumb a pump out deck plate. But the placement of the holding tank, and finding one seems to be the hardest part. Thanks for your help, Collin
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