[C320-list] Water heater replacement now coolant.....

Tue May 25 14:11:33 PDT 2021

In the south end of the Chesapeake Bay, the Atlantic Yacht Basin in
Chesapeake, VA also has the Yanmar coolant. If on the ICW, they are at
about the 12 mile point.

Steve Snyder
Windcatcher, # 1101

On Tue, May 25, 2021 at 14:59 Jamie Pett <JPett at jp2architects.com> wrote:

> Doug / List - Thanks for all the help.  Found the coolant.  I am not up
> for full flush on the cooling system, so staying with the original spec.
>
> For anyone interested - 'Bayshore Marine Engine Services' in Annapolis
> carries the Yanmar coolant.  It can be bought on-line from others also,
> but long delivery times currently.
>
> Its about $25 a gallon, and pre-mixed so higher cost.  They are at
> 410-263-8370 and an excellent source for all things Yanmar.
>
>  - Jamie
>
>
> Be well. Be safe. Be kind.
>
> R. JAMES  PETT  \ AIA
> Principal
>
>  D. 410.646.8301
> C. 410.446.8515
> www.JP2architects.com
> -----Original Message-----
> From: C320-list <c320-list-bounces at lists.catalina320.com> On Behalf Of
> Doug Treff
> Sent: Monday, May 24, 2021 9:48 AM
> To: c320-list at lists.catalina320.com
> Subject: Re: [C320-list] Water heater replacement now coolant.....
>
> Jamie,
>
> I can't help with sources, other than Amazon, (I assume you've tried
> BayShore, Fawcetts, West Marine).
>
> What I do know is that Yanmar has published a list of satisfactory
> alternatives, linked below from the C320 site. However, If you switch
> brands, you will need to do a super flush (many flushes with fresh water to
> get the remnants of the old stuff out).
>
> The Service Bulletins - Scroll down to page 4 for the coolant info
> https://www.c320.org/filemgmt_data/files/yanmar_bulletins.pdf
>
> Also available on the C320 site is a procedure for properly flushing the
> engine:
> https://c320.org/article.php/20060212151611361
>
> --
> Doug Treff
> doug at treff.us
>
> On Sun, May 23, 2021, at 6:20 PM, Jamie Pett wrote:
> > Thanks for the assistance. I am struggling mightily. Got the old
> > heater out but decided it would be the moment to drain and replace the
> > motor coolant. Got it drained but cannot find replacement Yanmar
> > coolant - anyone know where that can be found in the Annapolis area ?
> >
> >
> >
> > Sent from my iPad
> >
> >
> > Be well. Be safe. Be kind.
> >
> > R. JAMES  PETT  \ AIA
> > Principal
> >
> >  D. 410.646.8301
> > C. 410.446.8515
> > www.JP2architects.com
> > > On May 21, 2021, at 9:26 AM, Jamie Pett <JPett at jp2architects.com>
> wrote:
> > >
> > > John - Thanks for the help. Replacing the hoses sounds like a good
> idea - do you recall what length you needed ?
> > >
> > > So the heater hoses are the closed engine loop, correct ? After the
> replacement I assume you just top off the coolant ?
> > >
> > > Jamie Pett
> > > JP2 Architects
> > >
> > >> On May 12, 2021, at 9:07 AM, John Meyers <jcmeyers7 at gmail.com> wrote:
> > >>
> > >> Jame,
> > >>
> > >> One more thing.....  Keep the coolant from the hose, if you want to
> > >> anyway, to be replaced after the new heater is connected. There
> > >> might be a quart or two. Run the engine for a couple minutes and
> > >> the engine coolant level should go down so you can add the old or
> > >> new coolant. This may take a couple cycles to get all the air out
> > >> of the new lines etc and to get the coolant all back in.
> > >>
> > >> As far as the reattaching the rear bracket - I don't remember that
> > >> being a problem. As a disclaimer - "Your experience may be different."
> > >>
> > >> If I think of anything else I'll let you know.
> > >>
> > >> John Meyers
> > >>
> > >>>> On Wed, May 12, 2021 at 8:40 AM John Meyers <jcmeyers7 at gmail.com>
> wrote:
> > >>>
> > >>> Jamie,
> > >>>
> > >>> I did this a couple years ago.
> > >>>
> > >>> Good on the bypass. But I disconnected the end of one hose from
> > >>> the engine and allowed fluid to drain into a pan. Then I took off
> > >>> the other hose from the engine. Putting a plastic bag over one end
> > >>> and punching a hole in the bag I blew out any fluid remaining.
> > >>>
> > >>> Obviously , there are some plumbing and other stuff that needs to
> > >>> be removed such as electrical.
> > >>>
> > >>> There should be enough hose between the engine and heater that
> > >>> when you start to pull it out and you can disconnect hoses from
> heater.
> > >>>
> > >>> Getting the old heater out is somewhat cumbersome with lifting and
> > >>> twisting but not a huge deal. Same for putting the new one in.
> > >>>
> > >>> While the heater was out I replaced the hoses from the engine to
> > >>> heater as they were over 21 years old. This was not a big problem
> > >>> as the cubby below the oven can be removed to give hand access to
> > >>> the hoses to direct them from A to B.
> > >>>
> > >>> Hope this helps.
> > >>>
> > >>> John Meyers
> > >>> Wind Chime #406
> > >>> Muskegon, MI
> > >>>
> > >>> On Tue, May 11, 2021 at 7:09 PM Jamie Pett
> > >>> <JPett at jp2architects.com>
> > >>> wrote:
> > >>>
> > >>>> Hi list - hope everyone is well.  So I am tackling a replacement
> > >>>> of my hot water heater on Bella Luna and wonder if anyone can
> > >>>> provide a bit of guidance. Ordered a replacement unit -same
> > >>>> Seaward 6 ga.  that is currently in the boat.
> > >>>>
> > >>>> Pulled galley cabinet unit, tied hot and cold water lines
> > >>>> together as a temp.bypass, and disconnected power.
> > >>>>
> > >>>> So original Seaward 6 ga.unit largely disconnected but did not
> > >>>> yet pull the heat exchanger lines off.  Current question -
> > >>>> anticipating when I pull those the coolant from the engine will
> > >>>> drain out ? Bigger question is after getting the new unit
> > >>>> connected, how do I purge the air out of the coolant loop ?
> > >>>>
> > >>>> Oh, and any suggestions on how to get the rear mounting bracket
> > >>>> re-fastened?
> > >>>>
> > >>>> Any advice appreciated. Thanks.
> > >>>>
> > >>>> Jamie Pett
> > >>>> Bella Luna
> > >>>> C-320 # 614
> > >>>>
> > >>>> Sent from my iPad
> > >>>> R. JAMES  PETT\AIA
> > >>>> Principal
> > >>>>
> > >>>> D. 410.646.8301 C.410.446.8515
> > >>>> 2811 Dillon Street, Baltimore, MD 21224 E.JPett at jp2architects.com
> > >>>>
> > >>>>
> > >>>>
> > >>>> JP2 A R C H I T E C T S
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> Be well. Be safe. Be Kind.
> > >>>>
> > >>>
> >
>