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Sewage Hose or PVC Pipe ?
I wanted to share my experience replacing my sewage hose on our Catalina 380.
We purchased this boat used. It was only three years old, but the head really smelled bad. After we purchased her, most locals said that they had looked at the boat but it smelled, so moved on to look at other boats without issues. We negotiated a better price based on the head smell problem.
Now, what’s the solution?
Hose is simple to install but will have the same problem in a few years as the hose permeates with urine & sulfurous malodors over time.
Better sewage hose like a SeaLand's OdorSafe Plus sanitation hose is very expensive and gives you a few more years, but will still odor permeate.
PVC house hold pipe is cheap and will never odor permeate, but takes more time to install.
We went with the PVC. We sold the boat after six years. Never had any plumbing problems and the boat always smelled great. The boat sold in one week.
1) This is standard PVC 1-1/2 inch house piping
2) Cut piping with a hack saw and small wooden miter box
3) Dry fit the whole system together
4) Put timing marks on each pipe and fitting with a black magic marker
5) Start at one end and glue and align your black timing marks as you put the pieces together.
6) At the toilet use a 1-1/2 coupling with a compression fitting on one side to connect to the toilet. Works great and never leaks and can be taken apart for servicing.
7) At the deck fitting I used just a short piece of hose since this will only be exposed to sewage for short periods of time.
I thought it was a good do it yourself job and will do it again on my current new boat in the near future when needed.