Re: Check valve on Heat exchanger Raw Water Pipe?



Now that you have your answer, remove the rusty part completely, always use a good fresh OEM quality impeller and change it every 400 hours or less, always cleaning the pump interior, and you'll never have to worry about loose impeller pieces. 


CW Bill Rouse 
Amel Owners Yacht School
+1 832-380-4970 | brouse@...
720 Winnie, Galveston Island, Texas 77550 
Yacht School Calendar:


On Tue, Jan 19, 2021, 2:31 PM Karen Smith via <> wrote:

Thats a "wye" strainer.  Definitely an after-market modification placed there probably in an attempt to prevent pieces of a failing raw water impeller from getting lodged in the heat exchanger.  If you take off that plug, you'll find a basket in there to catch solid bits.  Or, given the condition of the outside, you might find parts of a basket!

Not exactly an elegant implementation, but not a terrible idea.

Bill Kinney
SM160, Harmonie
Charleston, SC.

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