On my newest boat, I am replacing the odds-and-ends exhaust hose remnants used by the PO to plumb the head, with one-and-a-half inch sanitation hose throughout. But I had enormous trouble getting the new hose over the first of the plastic y-valve fittings that I tried, and I'd like some advice about an appropriate lubricant -- one that will work, not rot the pipe or hose, and possibly go away so as not to leave the connection, to the through-hulls in particular, perpetually slippery. How about petroleum jelly, KY jelly, liquid detergent? Also, I looked around and found some very old Johns-Manville "Ring_Tite Lubricant" listed for transite pipe or PVC pipe with a ring-tite joint. Does anyone know what this stuff may be good for -- or what transite pipes or joints may be, for that matter? Thanks.
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Use K-Y or dishwashing liquid...K-Y is better
And warm the hose (some people like boiling water, IMO a blow dryer is easier) a bit. Don't overheat it...and don't heat a hose to make it bend tighter than it wants to bend willingly. That'll damage the hose. The link below has some useful tips that make the job a bit easier.
And warm the hose (some people like boiling water, IMO a blow dryer is easier) a bit. Don't overheat it...and don't heat a hose to make it bend tighter than it wants to bend willingly. That'll damage the hose. The link below has some useful tips that make the job a bit easier.
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