[C320-list] Wash down pump

[Chris Burti]

ditto...CB

Chris Burti
Farmville, NC


On Thu, Jul 21, 2016 at 9:46 AM, <jbrown5093 at yahoo.com> wrote:

>
> I forgot to mention that a put in a strainer between the thru hull and the
> pump.
> Sent from my iPad
>
> > On Jul 20, 2016, at 9:09 PM, Jbrown5093 <jbrown5093 at yahoo.com> wrote:
> >
> > I used the clear "plastic" nylon reinforced hose like used for the sink
> drains. Not sure I'd trust whale fittings with all that pressure. Besides
> > I know that the whale fittings are supposed to quick disconnect- but I
> guess for everybody but me.
> >
> > Sent from my iPhone
> >
> >> On Jul 20, 2016, at 5:51 PM, Angus Henderson <rathlyn1 at gmail.com>
> wrote:
> >>
> >> Thx Jim. I appreciate your comments and advice. As a matter of interest
> did you use the plastic hose and whale fittings found elsewhere on the boat
> or just generic rubber hose.
> >>
> >> Angus
> >> Hull 999
> >>
> >> Sent from my iPhone
> >>
> >>> On Jul 20, 2016, at 4:39 PM, jbrown5093 at yahoo.com wrote:
> >>>
> >>> Not on the boat right now but I believe the pump is a Jabsco
> specifically advertised for wash down applications. It's going on 10 years
> now so I'm sure the model number has changed.  It's still working. It was
> placed pretty much where the macerator pump was located. I think half inch
> hose ran forward through both starboard lockers and then through the stb.
> bulkhead into the Stb. compartment in the forward cabin. From there it
> snakes by the water tank into the anchor locker where the wires to the
> windless are. You need to remove the piece above the shelf in the cabin to
> get access to that space.  Good time to check on the anchor motor
> connections. The faucet is just a small faucet with a garden hose
> connection. I use a short piece of hose with a high pressure nozzle.  So
> it's a pretty straight forward at least on hull 973
> >>>
> >>> Couple of tips. Put in a way to drain the system easily at the pump. A
> bad head like smell in the v berth turned out to be stagnant foul water in
> the hose after only a couple of weeks. Double clamp everything even above
> the waterline at the faucet. I didn't do that one and it blew the first
> time I used it-lots of water from that pump-but the bilge pump worked. When
> a long hose wraps around the windless a couple of times you'll also get a
> short piece dedicated to wash down only! I also use only a plastic hose
> nozzle so I can just drop in on deck when I need to.
> >>>
> >>> Since moving to NC I now have a new thru hull and pump both in the
> forward stb. Locker and re-plumed the tank with the macerator in the
> original location. Just in case I find us out 3miles.
> >>>
> >>> Jim Brown
> >>>
> >>> Sent from my iPad
> >>>
> >>>> On Jul 20, 2016, at 2:30 PM, Angus Henderson <rathlyn1 at gmail.com>
> wrote:
> >>>>
> >>>> Jim, I was thinking of doing the same thing with the mascerator thu
> hull. Being on Georgian Bay I have no need for it. I was wondering where
> you located the water pump and how you routed the piping to the anchor
> locker.
> >>>>
> >>>> Angus
> >>>> Hull #999
> >>>>
> >>>> Sent from my iPhone
> >>>>
> >>>>> On Jul 20, 2016, at 2:14 PM, jbrown5093 at yahoo.com wrote:
> >>>>>
> >>>>> When our boat was on Lake Ontario we actually removed the macerator
> and plugged the holding tank outlet. We then used the thru hull for a wash
> down pump that came in handy. Easy to convert back if you move the boat.
> The wash down faucet is above the water line in the anchor locker.
> >>>>> Jim Brown
> >>>>> Desafinado
> >>>>> Sent from my iPad
> >>>>>
> >>>>>> On Jul 20, 2016, at 9:17 AM, Gary Magnuson <
> gary.magnuson at frontier.com> wrote:
> >>>>>>
> >>>>>> Hello Karre, and Mary,
> >>>>>>
> >>>>>> Glad to her that you have decided to close the macerator through
> hull. Since you boat on the great lakes, the Macerator and through hull is
> illegal to use.  You should have a placard  on board stating it is illegal
> to dump sewage anywhere in the great lakes. When I do Vessel Safety checks,
> that is one of the items on the check list. That thru hull should be closed
> and locked or have the handle removed such that it cannot be opened.  The
> DNR or the Coasties will be very very angry with you if they find it open
> or operable.   Just a "Heads Up".
> >>>>>>
> >>>>>> Gary Magnuson
> >>>>>> Time A Weigh 205, Bayfield, WI
> >>>>>>
> >>>>>>> On 7/19/2016 9:29 PM, sailor3952 at charter.net wrote:
> >>>>>>>
> >>>>>>> Thanks Jeff and others for your informative wisdom. I will simply
> >>>>>>> keep the thruhull for the macerator CLOSED. End of problem. Your
> >>>>>>> comments and advise have been most helpful. This group is awesome!
> >>>>>>> Wish all of you were in the same marina! Thanks
> >>>>>>>
> >>>>>>> Kaare & Mary
> >>>>>>>
> >>>>>>> -----------------------------------------From: "Jeff Hare"
> >>>>>>> To:
> >>>>>>> Cc:
> >>>>>>> Sent: Tue, 19 Jul 2016 21:11:04 -0400
> >>>>>>> Subject: Re: [C320-list] Holding Tank Flooding
> >>>>>>>
> >>>>>>> Nope I don't believe so. That anti-siphon is only for the head
> hoses
> >>>>>>> that
> >>>>>>> come from the thru-hull under the sink. There's no anti-siphon
> >>>>>>> between the
> >>>>>>> macerator pump and the holding tank. There's no check valve either,
> >>>>>>> it's
> >>>>>>> only the macerator pump impeller that slows the water into the
> >>>>>>> holding tank
> >>>>>>> unless the macerator pump happens to be above the water line, don't
> >>>>>>> know for
> >>>>>>> sure.
> >>>>>>>
> >>>>>>> -Jeff
> >>>>>>>
> >>>>>>> -----Original Message-----
> >>>>>>> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com]
> On
> >>>>>>> Behalf
> >>>>>>> Of jbrown5093 at yahoo.com
> >>>>>>> Sent: Tuesday, July 19, 2016 8:45 PM
> >>>>>>> To: C320-List at Catalina320.com
> >>>>>>> Subject: Re: [C320-list] Holding Tank Flooding
> >>>>>>>
> >>>>>>> Wouldn't the anti siphon loop in the head cabinet prevent siphoning
> >>>>>>> in
> >>>>>>> either directions?
> >>>>>>>
> >>>>>>> Jim Brown
> >>>>>>>
> >>>>>>> Sent from my iPad
> >>>>>>>
> >>>>>>>> On Jul 19, 2016, at 6:26 PM, Jeff Hare  wrote:
> >>>>>>>>
> >>>>>>>> I would not be surprised if you could sink your boat this way
> >>>>>>> depending on
> >>>>>>> how the hose leading from the head to the tank is routed and how
> good
> >>>>>>> your
> >>>>>>> head's duckbill is. If you pump out with the macerator thru-hull
> open
> >>>>>>> and
> >>>>>>> the head vent is at all clogged, the vacuum will pull seawater in
> >>>>>>> through
> >>>>>>> the macerator pump and water out of the head and could set up a
> >>>>>>> siphon and
> >>>>>>> will likely slowly fill your tank to the water line. I presume but
> >>>>>>> don't
> >>>>>>> know whether the rim of the head is above the water line. If not,
> the
> >>>>>>> boat
> >>>>>>> can be sunk this way.
> >>>>>>>>
> >>>>>>>> Bottom line is that the macerator line does not have a vacuum
> >>>>>>> breaker in
> >>>>>>> it, so it can never be left open. When your tank is being pumped
> out
> >>>>>>> through the deck fitting, I believe you always want that valve
> closed
> >>>>>>> anyway.
> >>>>>>>>
> >>>>>>>> -Jeff
> >>>>>>>>
> >>>>>>>> -----Original Message-----
> >>>>>>>> From: C320-list [mailto:c320-list-bounces at lists.catalina320.com]
> On
> >>>>>>> Behalf
> >>>>>>> Of Kaare Wold
> >>>>>>>> Sent: Tuesday, July 19, 2016 4:25 PM
> >>>>>>>> To: C320-List at Catalina320.com
> >>>>>>>> Subject: [C320-list] Holding Tank Flooding
> >>>>>>>>
> >>>>>>>> Skippers, Recently we noticed that our holding tank fills with
> >>>>>>> water when
> >>>>>>> at rest at the dock. At first, thought our dock attendants failed
> to
> >>>>>>> pump
> >>>>>>> out. We have an AccuGage digital monitor on all tanks. Love that
> >>>>>>> setup!
> >>>>>>>> We had the tank pumped, while we were present, and as the tank was
> >>>>>>> being
> >>>>>>> pumped out, I could see the AccuGage digital level drop from 3/4 to
> >>>>>>> 1/2 down
> >>>>>>> to empty. A couple days later, it was back to 3/4 full without any
> >>>>>>> personal
> >>>>>>> use whatsoever. The macerator thruhull had been open all the time,
> >>>>>>> although
> >>>>>>> we never use that device. All thruhull are opened for winter layup
> >>>>>>> and I
> >>>>>>> never closed it after spring launch. I now closed the thruhull, had
> >>>>>>> the
> >>>>>>> tank pumped out again and.....bingo..., the tank remained empty.
> Any
> >>>>>>> ideas
> >>>>>>>
> >>>>>>>> from our knowledgeable group??? Could there be a check valve in
> the
> >>>>>>>
> >>>>>>>> macerator pump that is leaking? Looking for some suggestions or
> >>>>>>> comments
> >>>>>>>> from someone that may have experienced the same problem. Thanks to
> >>>>>>> all
> >>>>>>> for your comments.
> >>>>>>>> Kaare & Mary Wold
> >>>>>>>> Sheet Music, #945 Sturgeon Bay, WI
> >
>
>