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Old 09-16-2016, 08:20 AM   #19
sdowney717
Guru
 
City: Seaford Va on Poquoson River, VA
Vessel Name: Old Glory
Vessel Model: 1970 Egg Harbor 37 extended salon model
Join Date: Jan 2016
Posts: 2,264
I like plastic fittings they work just fine. I have some of the schedule 80 grey plastic ones used on a seacock for splitting water to heat pump and a utility pump, bought them at Lowes. If say I managed to step on it and it broke, which it does not break, I could always turn off the seacock.

The schedule 80 black polypropylene fittings I think are better and tougher than schedule 80 PVC.
Got a 90* from Amazon cheap. I installed in the discharge line from head to the seacock. I pump out the waste into the water. My connection hose is that standard white PVC.
Examples here
Polypropylene Threaded Pipe Fittings Category | Polypropylene Pipe Fittings and Polypropylene Pipe Couplings. | U.S. Plastic Corp.
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