Bob wrote:
Not sure what head you have........ I put in a new PH 2 a few weeks ago
on PH's recomendation for heads under $200. The 3/4" supply hose from
the pump to the bowl was fastened on with nylon zip ties. The hose was
solid white with no markings and the ID was reduced by half because the
hose collapsed in place. Pretty Mickey Mouse OEM IMHO. But
hey........... for 200 bucks?

That hoseisn't intended to be anything but a means of making sure the
toilet works...it's expected that it'll be replaced with sanitation hose
when a vented loop installed.

So I called an industrial hose supply and asked for some clear pvc
"suction hose" with a hard helix coil. This stuff is the same stuff I
recommended for use as 1 1/2" bilge hose.

Cost was $.98/ foot. Now, "be advised" and "now hear this" the hose I
got is one stout hunk of hose. Very flexible but will not collapse when
bent or kinked. On the other hand, that clear stuff with the woven
reinforcement so common every where will collapse.

So this is where someone will chime in and say, "oh, oh! It is not
designed for below the water line applications. Why save ten cents and
have your boat sink?!?!?"

It's not likely to be the hose that sinks your boat or requires a mop,
it's the absence of a vented loop in the intake line. When you install
it, replace the cheap hose with any suitable hose that suits you.

I use it for all bilge and head intake applications. Now head discharge
is a whole nother story...................

Which, if your toilet is below waterline, also requires a vented loop.

Loops should be at least 6-8" above waterline at any angle of heel.

--
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/books...ku=90&cat=1304