Yes. They can be dead ends. That is the way the system was designed by the engine manufacturer. Owners simply steal water from the inlet and outlet side of circuit. There are usually plugs where the pipe nipples tap into the engine.
I have a few pictures and a video. I'll see about sharing the ones of value. Josh On Mon, Jun 8, 2020, 10:03 Bruno Lachance via CnC-List < cnc-list@cnc-list.com> wrote: > Hi Mike, > > Mine was in the V berth, too much of a run and produced almost no heat. > Yours is way closer to the engine. I want to remove it because i found that > when motoring, the engine heats the cabin to a "comfortable temperature". > And it takes precious space. > > I understand your setup, cleaner design and probably better performance > with no Tees and shorter circuit. But you have a loop. I want to know if > the hoses that go to the heater can be dead ends ? > > Bruno Lachance > > Bécassine, 1987 33-2 > > New-Richmond, Qc > > > ------------------------------ > *De :* Hoyt, Mike <mike.h...@impgroup.com> > *Envoyé :* 8 juin 2020 09:46 > *À :* 'cnc-list@cnc-list.com' <cnc-list@cnc-list.com> > *Cc :* Bruno Lachance <bruno_lacha...@hotmail.com> > *Objet :* RE: Yanmar cooling system and water heater bypass > > > Hi Bruno > > > > We installed a bus heater (what you described) on Persistence. We already > had a hot water heater so we simply had the hose that ran from the > exchanger go to the bus heater and then from there to the hot water > heater. No Tees of any sort. Did not affect the hot water heater > adversely and works well for heating on cool fall days and for deliveries. > Only issue would be that increased hose runs and number of fittings > increases chance of a coolant leak at some point > > > > The bus heater on persistence is on the forward end of the quarter berth > blowing toward nav station. Layout of Frers 33 is pretty much identical to > your C&C 33-2. This location also makes the bus heater close to engine and > shortens the length of hos run as much as possible > > > > Mike Hoyt > > Persistence > > 1987 Frers 33 > > Halifax, NS > www.hoytsailing.com > > > > > > *From:* CnC-List <cnc-list-boun...@cnc-list.com> *On Behalf Of *Bruno > Lachance via CnC-List > *Sent:* June 8, 2020 10:41 AM > *To:* C&C List <cnc-list@cnc-list.com> > *Cc:* Bruno Lachance <bruno_lacha...@hotmail.com> > *Subject:* Stus-List Yanmar cooling system and water heater bypass > > > > > > Hi, > > > > I just remove a air heater that was nstalled by premious owner. It was T > in the coolant hoses going to the water heater but never woeked well. I > guess the hoses running in the bilges was too much of a heat loss. > > > > So anyways, i'm going back to original and simplicity and i remember > somebody here said he added valves to have the option to "bypass" the water > heater in case of a leak. Since i already have the valves and my tank is > original it seems to be a good idea. My question is: can i just install > them in line on each hose or do i need to add a loop before the valves with > T fittings , engine side of the valves, so i still have circulation. I > think it does't matter and that the engine system does not depend on this > but i want to be sure. > > > > Thank you. > > > > Bruno Lachance > > Bécassine, 1987 33-2 > > New-Richmond, Qc > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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