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Old 06-16-2013, 08:23 AM
bigmac bigmac is offline
MC Platinum
 
Join Date: Jun 2005
Boat: 2004 Maristar 230 VRS
Location: Central Minnesota
Posts: 8,124
Yah, that's tight quarters. All you need is a hose barb for a 5/8 line. On the MCX, there's a 45 degree angled brass fitting and a valve. That is the place where you want your supply line.

The return line is a similar plug on your engine's circulating pump. Depending on the boat, might be kind of hard to get to. IMHO, using a Y-pipe for the return line is easier to deal with and additionally is more effective in that it creates far better heat output at idle or low RPM.



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