Bill;
Having the strainer below the waterline is pretty much the normal installation. If the top of the strainer is above the waterline there is an advantage in that you would avoid the inflow of water when you open the strainer to clean it out, but if the seal on the strainer is not perfect air can get into the strainer and your raw water pump will stop supplying cooling water to the engine. I question if you have a siphon break on the inlet hose to your raw water pump. The pump would have little or no suction because it would be drawing air from the siphon break instead of cooling water from outside. Normally the siphon break is between the raw water outlet of the heat exchanger and the exhaust elbow, and prevents raw from siphoning into the exhaust manifold when the engine is shut off. Rick Brass Washington, NC From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of coltrek Sent: Monday, November 18, 2013 6:55 PM To: cnc-list@cnc-list.com Subject: Re: Stus-List winterizing engine "hose rig" My strainer is below the waterline, but then it goes into a siphon break, which is above the waterline. Isn't that what keeps water out of your engine? Wild Bill C&C 39
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