Instead of an air compressor I use a shop vac set on blow instead of suck. I have fewer fears of over pressuring the system and a small 1 gallon shop vac is great for around the boat anyway.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Mon, Oct 9, 2017, 3:32 PM Tom Lynch via CnC-List <cnc-list@cnc-list.com> wrote: > Marek, > > Thank you for your very detailed procedure. > > What type and size of air compressor what you recommend for this job? > > On Mon, Oct 9, 2017 at 2:37 PM Marek Dziedzic via CnC-List < > cnc-list@cnc-list.com> wrote: > >> Tom, >> >> >> >> This is how I do it: >> >> >> >> 1. drain water from the fresh water tank (does not need to be completely >> empty) >> >> 2. drain water from the water heater >> >> 3. highly advisable - install a water heater by-pass (multiple models >> available from RV supply; but I strongly suggest getting one with *TWO >> valves *( >> https://www.amazon.ca/Valterra-P23503LFVP-Water-Heater-Pass/dp/B00HSO57LS/ref=sr_1_2?s=automotive&ie=UTF8&qid=1507576917&sr=1-2&keywords=water+heater+bypass) >> >> >> 4. disconnect the system from the pump (above the pump) >> >> 5. - purge any remnants of water from the system using compressed air >> (for that you may need an adapter that can be purchased from any RV place >> or online (e.g.: >> https://www.amazon.ca/Camco-36143-Brass-Quick-Connect/dp/B002XL2IEA) - >> you may need to MacGyver an adapter using the above and various length of >> hose, nipples etc.). >> >> 6. when you do it, close all faucets and then open one at a time (do it >> for each faucet on cold and hot water) >> >> 7. this would be especially complicated for hot water, as your heater >> would have plenty of water to be purged. >> >> 8. engage the water heater bypass >> >> 9. disconnect pump from the supply line from the tank. >> >> 10. attach to the pump a length of appropriate hose and put it into a jug >> of antifreeze >> >> 11. run the pump drawing AF from the jug until the pink stuff comes out >> of each and every faucet >> >> 12. repeat 4.-6., this time to evacuate any remnants of AF >> >> >> >> You would need to modify this list to get the water out of the galley >> pump and water lines. It would be a modification of 4.-6. Or is the foot >> pump getting water from the lake? If so, you simply close the through-hull, >> disconnect the hose, put it into the AF jug and pump. (btw. the same >> procedure as for the supply side of the head). >> >> >> >> If you have a cockpit shower, don’t forget it in your procedure >> >> >> >> Never put AF into the water heater - it is difficult to drain, you would >> need 5-6 gal of it to fill it, supposedly, it can turn into a >> cotton-candy-like mush, if heated and you would have a hard time getting >> the taste out of the water after this. >> >> >> >> If you have an ice-box, the chances are that you have a pump that pumps >> out water from the bottom of it. Make sure that you winterise it, as well. >> >> >> >> If you have a drain in the head (shower sump?), make sure that you >> winterise it, as well. >> >> >> >> I hope I don’t need to mention that you need to winterise properly the >> head. It is not enough to just put some AF into the bowl and pump it out. >> You need to put AF into the supply side, as well. >> >> >> >> If this list scares you, it should not; it is much easier than it sounds. >> >> >> >> Marek >> >> >> >> 1994 C270 ”Legato” >> >> Ottawa, ON >> >> (the above procedure is still ahead of me, but I usually do it on the >> hard) >> >> >> >> >> >> >> >> >> >> *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Tom >> Lynch via CnC-List >> *Sent:* Monday, October 9, 2017 14:59 >> *To:* cnc-list@cnc-list.com >> *Cc:* Tom Lynch <thomasmly...@gmail.com> >> *Subject:* Stus-List Fresh water plumbing winterizing >> >> >> >> What's the best practice for Winterizing the fresh water system? >> >> >> >> My system: >> >> >> >> 40 gallon tank estimated >> >> Water heater >> >> Pressurized water pump >> >> 2 fixtures hot / cold from the pump >> >> 1 fixture in the galley from a foot pump. >> >> >> >> My boat is on Lake Superior northern WI. And no I cannot sail it to >> warmer climate for the winter. >> >> >> >> Tom Lynch >> >> S/V IndoIrish >> >> C&C 33 MKII >> >> Bayfield WI - Lake Superior >> _______________________________________________ >> >> The bills have started coming in for the year 2018 and have gone up >> again. October will be our fund raising month. Please consider sending a >> small contribution to help keep this list running. Use PayPal to send >> contribution -- https://www.paypal.me/stumurray >> >> All contributions are greatly appreciated! >> > _______________________________________________ > > The bills have started coming in for the year 2018 and have gone up > again. October will be our fund raising month. Please consider sending a > small contribution to help keep this list running. Use PayPal to send > contribution -- https://www.paypal.me/stumurray > > All contributions are greatly appreciated! >
_______________________________________________ The bills have started coming in for the year 2018 and have gone up again. October will be our fund raising month. Please consider sending a small contribution to help keep this list running. Use PayPal to send contribution -- https://www.paypal.me/stumurray All contributions are greatly appreciated!
