Thread: Radiator Flush
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Old 12-17-2018, 07:59 AM   #8
ranger58sb's Avatar
City: Annapolis
Vessel Name: Ranger
Vessel Model: 58' Sedan Bridge
Join Date: Aug 2013
Posts: 6,692
Originally Posted by Moonzy1 View Post
Doing full cooler maintenance on my boat this winter.

I figure ill flush the freshwater side of the aftercooler while im at it.

Anyone have a system they like for a recommendation?

Do you mean the raw water side? If so, Barnacle Buster or Rydlyme. Note that won't preclude complete periodic aftercooler service, which will also address the air side of the aftercoolers.

Our engines are Cummins, and they recommend their own product (Restore) for the fresh water (coolant) side. Probably Yanmar has it's own recommendation.

Chesapeake Bay, USA
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