sded wrote:
I have two Groco HF heads that have seen nearly 17 years of use. I looked into
other heads, but finally just did a complete pump replacement for the HFs. They
have worked well, only needing a rebuild every year or two. Have you checked
your discharge lines for clogging?

He didn't mention what kinds of problems he's having with Groco...but
it's amazing how many repairs wouldn't be necessary if there was any
preventive maintenance done. But preventive maintenance is something
that never occurs to most boat owners...they assume that because
household toilets don't need any, marine toilets don't either. So the
toilet works fine for about year or two--till it needs some...after
that, it's never-ending battle to fix what breaks but didn't have to.
And, of course, it's always because the toilet is a "piece of junk."

Peggie
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Peggie Hall
Specializing in marine sanitation since 1987
Author "Get Rid of Boat Odors - A Guide To Marine Sanitation Systems and
Other Sources of Aggravation and Odor"
http://www.seaworthy.com/html/get_ri...oat_odors.html