Dave, that was probably me. I intercepted the hose running from the thru-hull to the impellor and put a T connection in it. The connection was purchased from an automotive supply store for radiator flushing (something like this: PEAK Flush and Fill Kit https://www.autozone.com/cooling-heating-and-climate-control/radiator-flush-tools/p/peak-flush-and-fill-kit/525931_0_0?spps.s=6750&cmpid=LIA:US:EN:AD:NL:1000000:HRD:19489353553&gad_source=1&gclid=CjwKCAiA5pq-BhBuEiwAvkzVZW71LslNM789x69WhlAtp_sVFVFR1qfNb4Jycgg8sOFWE5Iyf_U79xoClnsQAvD_BwE&gclsrc=aw.ds). I keep the screw cap on all summer. For winterizing, I close the seacock, replace the screw cap with a short piece of hose (like this: short garden hose - Google Search https://www.google.com/search?q=short+garden+hose&sca_esv=71fa22d63362fc25&source=hp&ei=FzHHZ8W5KOvv0PEP6LyWIA&iflsig=ACkRmUkAAAAAZ8c_J7v_cYjelbvDHzWDL6f7CzJ3j0nq&ved=0ahUKEwiFod3m8vCLAxXrNzQIHWieBQQQ4dUDCBo&uact=5&oq=short+garden+hose&gs_lp=Egdnd3Mtd2l6IhFzaG9ydCBnYXJkZW4ga G9zZTIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAEMgUQABiABDILEAAYgAQYhgMYigVInhdQAFi7FXAAeACQAQCYAY8BoAG4CqoBBDE1LjK4AQPIAQD4AQGYAhGgAuIKwgIREC4YgAQYsQMY0QMYgwEYxwHCAg4QABiABBixAxiDARiKBcICCxAAGIAEGLEDGIMBwgIIEAAYgAQYsQPCAgsQLhiABBjRAxjHAcICBRAuGIAEwgIOEC4YgAQYsQMYgwEYigXCAgsQLhiABBixAxiDAcICDhAuGIAEGLEDGNEDGMcBwgIOEC4YgAQYxwEYjgUYrwHCAgsQLhiABBixAxjUAsICCxAAGIAEGJIDGIoFwgIIEC4YgAQYsQPCAhEQLhiABBixAxjHARiOBRivAcICBRAAGO8FmAMAkgcEMTUuMqAHtI8B&sclient=gws-wiz#oshopproduct=pid:12011291862449663919,oid:12011291862449663919,iid:1286440255461947486,pvt:hg,pvo:3&oshop=apv&pvs=0), fill a bucket with anti-freeze and put the other end of the hose into it. I've had to prime the hose with anti-freeze to create suction, but the engine will drain the bucket slowly, sucking it all in. Bob Mystic C&C35 mk I
> On 03/04/2025 11:48 AM EST David Knecht via CnC-List <cnc-list@cnc-list.com> > wrote: > > > There was a prior discussion regarding winterizing the engine where someone > described converting the engine raw water seacock into a Tee-fitting so that > antifreeze could be run into the engine to winterize the boat. This would > allow the process without having to remove the hose from the raw water > strainer or the seacock. I can't find that email anywhere so I am wondering > if anyone has notes on how this was done. I presume you would use a > standard brass Tee fitting, adapters (all the ones I have found have female > threads so require an adapter to add to the seacock) and two shutoff levers, > one for each water path. Thanks- Dave > > S/V Aries > 1990 C&C 34+ > New London, CT > Your contributions help pay the fees associated with this list and help to > keep it active. Please help by making a small contribution using PayPal at: > https://www.paypal.com/paypalme/stumurray All contributions are greatly > appreciated. >
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