[C320-list] Fresh water head-flush plumbing

[Len]

My only question is about the check-valve----seems to me that an  open/shut
valve may be less trouble-free.

Len


On 7/29/06, Richard A. Walker <dickwalker at att.net> wrote:
>
>
> THIS WORKS GREAT
>
>
> The following is thanks to John Vez.  I have edited some of his emails and
> reformatted the description.
>
>
>
> One rather straightforward enhancement is method of flushing (which
>
> I wholeheartedly endorse, especially in salt water) is to T the sink drain
>
> To the through hull hose that the head is currently attached to. This way
> you leave
>
> the seacock closed and simply turn the water on into the sink. As you
>
> flush the water is drawn from the sink. It will also operate as designed
> if
> you open the head thru-hull.
>
>
>
> Materials.
>
>
> 1. 2 T hose fittings, 3/4"
> 2. 1 3/4" PVC In line Check Valve, Raritan, Model #308585-
>
> (There is a spring in the valve that pushes the ball into the 'closed
> position'. I
>
> believe that the Spring actually was too strong for the weak water flow
> into
>
>
> the galley sink, so I snipped a couple of coils out of it and it has
> worked
> great.)
>
> 3. 16 ss hose clamps ½" to 1 1/8"
>
> 4. 2 Feet of Series 162 Polyester Reinforced Clear PVC Tubing ID ¾"
>
>
>
> Steps in the Job: (For my boat year 2000)
>
>
>
>
>
> Remove the door from the cabinet in the head by unscrewing the 4 screws.
> Remove the top drawer from the storage cabinet in the master bed room.
> Make sure both thru-hull fittings are closed
> Remove the existing hose from the sink to the thru-hull fitting
> Use 2 ss clamps at every step.
> Make a cut and place a T in the hose that goes from the seacock to the
> toilet
> Cut the hose from the sink drain at about 4" from the cabinet
> opening and insert the check valve so the arrow is pointed down (water can
>
> only travel from the drain down).  Place the inspection port pointing
> toward
> the door in case you want to clean out the check valve with out removing
> the
> entire hose.
>
> Place a T in below the check valve in the same line.
> Reinstall the hose
> Connect the T'd sections.
> Reinstall the doors.
> Test both fresh and sea water flushing.
> That's it!
>
>
>
> To flush, simply fill the head sink and pump the head as you normally
>
> would.
>
>
>
>
>
>
>
> Cheers,
>
> Dick Walker
> 740 Olive Ave.
> Coronado, CA 92118-2136
> 619.435.8986
>
>
>
>
> -----Original Message-----
> From: c320-list-bounces at catalina320.com
> [mailto:c320-list-bounces at catalina320.com] On Behalf Of Len
> Sent: Saturday, July 29, 2006 2:11 PM
> To: C320 List
> Cc: belairlk at gmail.com
> Subject: [C320-list] Fresh water head-flush plumbing
>
> Has anyone connected the head sink drain to the head sea inlet line for
> freshwater flushing?  Saw this on a boat:  tubing "T'd" into sink drain,
> then "T'd" into head inlet line, with valve to open/close.   To flush,
> close
> sink drain valve and head inlet valve then fill sink thumb-deep and flush
> head with fresh water.  Prevents smells of seawater organisms from
> seawater
> in plumbing lines.
>
> Like to know your experiences before installing on my boat.
>
> Len
> Aqua5  #1070
>
>
>