Hello all, I have a 73 C27 #1109 and it came with the Raritan Compact head. The plumbing was not installed when I bought the boat last week. Raritan's Compact II pump assembly bolts right on w/o any mods necessary. My question is in regard to the plumbing hookup. Should there be a check valve on both inlet water hose and discharge hose? What length of hoses needed? Any help most appreciated.
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