WaIIy wrote:
Would you recommend the 1" for the macerator toilet if it goes 8 feet to
a holding tank or the 1 1/2" ?

With the exception of older Jabsco toilets, which have 1" discharge, all
marine toilets have 1.5" discharge fittings. All standard tank inlet and
discharge fittings are also 1.5". The only equipment I know of that has
a 1" discharge fitting are Jabsco and Johnson Pump discharge macerator
pumps.

So the answer to your question is, go with 1.5".

And btw, 8' is stretching the distance any tank should be from the
toilet. 6' or less is optimal (and btw, that's total feet of hose, not
"as the crow flies"). Reason: 6'is as far as bowl contents will move in
the maximum amount of time 99.999% of people will spend flushing the
toilet--either pumping a manual or leaving their finger on the button.
So if the tank is much further than 6' from the toilet, waste gets left
sitting the head discharge hose to permeate it and even clog it.

And speaking of how far bowl contents will move...any manual marine
toilet that's working anywhere near specs can move bowl contents at
least 6' in the dry mode...so it's not necessary to fill your holding
tank with flush water to rinse out the head discharge hose. All you need
is a quart or two behind the bowl contents.

Peggie
----------
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://shop.sailboatowners.com/detai...=400&group=327

http://www.seaworthy.com/html/get_ri...oat_odors.html