[Public-List] Help with Head fitting

[Chris Martin]

Hello All

I took some measurements and it seems I will need to move the fitting or do some cutting. After some reading and advice it seems 3/4" is a better option then the current 1/2" thru-hull. Moving to 3/4" will let me use a FBV-750 like this http://www.defender.com/large/501864_l.jpg . Seems like a good option for a valve that might get used frequently. This valve is 6.14"high and that put it's through the head shelf. 

Here is an overhead view of my head compartment

http://muvvachicken.com/images/alberg30/head-overhead-sm.JPG 


The output valve is in the forward/right. I'm thinking about putting the new valve in the aft section, red circle, or use the current hole. 

Thanks again for the advice

Chris


________________________________
 From: Chris Martin <notcmartin at yahoo.com>
To: "public-list at lists.alberg30.org" <public-list at lists.alberg30.org> 
Sent: Friday, April 13, 2012 11:15 AM
Subject: Re: [Public-List] Help with Head fitting
 
Thanks all, great info. Of course launch is pending so I need to figure this out soon. Love it. 

I'll stare at it over the weekend and see if I can mock it up.

Thanks again, very helpful

Chris


________________________________
From: Mike Lehman <sail_505 at hotmail.com>
To: Chris Martin <notcmartin at yahoo.com>; Alberg 30 Public List -- open to all <public-list at lists.alberg30.org> 
Sent: Friday, April 13, 2012 7:04 AM
Subject: Re: [Public-List] Help with Head fitting

Hey Chris,

It is actually a no-no to have anything attached to the thru-hull fitting before the valve, in this case your elbow. The proper setup is to connect the valve directly to the thru-hull, then hose barb fittings to the valve. If the elbow fails you can shut off the valve. In your case, it would be difficult to insert a plug in the event of a failure. I think your option is to relocate the thru-hull. Rachel had good suggestions on this. On the newer liner boats the thru-hull is under the port settee in the main cabin but that requires routing the hose through a hole in the bulkhead. It does 'clean up' the head area. Groco valves have combination threads on valve which permits the valve to be attached directly to a thru-hull which has NPS (straight) threads and the elbow which has NPT (tapered) threads. Use a good sealant on the threads.

-----Original Message----- From: Chris Martin
Sent: Thursday, April 12, 2012 3:10 PM
To: Alberg 30 Public List -- open to all
Subject: [Public-List] Help with Head fitting

Hello

I have one valve and fitting left to replace and of course it's the one that's giving me trouble. I removed the head for replacement and want to also renew the inlet valve and fitting. The old fitting is here: http://muvvachicken.com/images/alberg30/head-fitting-sm.JPG

The fitting is at the aft section of the head compartment and is 1/2". The thru-hull is connects to the valve via a 90 deg. elbow.

The new fitting is larger than the old and wont screw into the elbow, not enough space below the head shelf. I'd rather remove the elbow but then the fitting wont clear the head 'floor'/shelf either. Also, this option would seem to create a bit of a mess for the hose once the head is installed.

I see a few options and am open to any ideas or advice.

1) Replace the the old thru-hull and cut the head shelf to clear the new valve and hose.

2) Remove the existing fitting, fill the hole and move the thru-hull forward. I havent measured but I think this will give more room but maybe not enough room.

3) Remove fitting and relocate somewhere else. Where?

Is there a consensus location for the head intake on early A30's?

Thanks for any advice

Chris
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