Winterizing A/C while in water

Don't forget to winterize the condensate drain line, from the pan below the AC unit to the AC / shower sump.
 
Gary:

I also like the Groco valves, but I don't see how it is any easier. Besides, removing and cleaning out the strainer is part of winterization. On many boats, by 1993 330DA comes to mind, accessing the A/C seacock was a job initself. Removing the entire hose to install the groco, or similar "T" valve just wasn't worth the effort. I did install permanent "T" valves on both mains in that boat, but I had to medicate for three days afterwards.....
 

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