Thank you Josh, so i do need to keep a bypass loop... That makes sense, but then it is more fittings and potential leaks. I was haapy to remove a bunch of fittings so i will need to think about it.
I do check my coolant level quite often so maybe i d'ont need this. Keep it simple! Bruno Lachance Bécassine, 1987 33-2 New-Richmond, Qc ________________________________ De : CnC-List <cnc-list-boun...@cnc-list.com> de la part de Josh Muckley via CnC-List <cnc-list@cnc-list.com> Envoyé : 8 juin 2020 09:59 À : C&C List <cnc-list@cnc-list.com> Cc : Josh Muckley <muckl...@gmail.com> Objet : Re: Stus-List Yanmar cooling system and water heater bypass If you want a bypass for the water heater, I suggest you use 2 isolation valves on each leg and a bypass between the two legs. A total of 3 identical ball valves would be my choice. This could accomplished with two 3-way valves as well but 3-way valves can lead to confusion and usually cost more. Without the isolation valves down stream of the bypass then a leak in the water heater would still be pressurized. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Mon, Jun 8, 2020, 09:41 Bruno Lachance via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote: 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
_______________________________________________ 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