I know this is an older post, but did you ever figure a way to remove the old water heater, and get a new one back in???
Maybe that's why we don't have any boating friends anymore!!! I think the new filters I am installing will help. Our boat is "A Pretty Penny"....
No, mine do not have filters. Absolutely certain. I have followed both vents from the tank to the external through hull vents. No filter. Never...
Any updates to this thread? Did anyone go through with the project and install some type of hard top over the bridge/helm area?
My 2002 406 Aft Cabin does not have filters on the vent lines from either holding tank. (Vac-u-flush toilets) I am adding home-made filters now...
Do you have an aft fuel tank? If so, consider running with that empty, and just use your port and starboard fuel tanks. Moving tanks sounds like a...
I know this is an old thread, but I was wondering if you did the repower with Cummins diesels. I have a 406 with the 330hp 6BTA's and love it.