TH Marine Straight Plastic Thru Hull Hose Fittings are made from high quality white virgin polypropylene, insuring consistent size, maximum durability and a clean look. Sized to fit all marine hoses each fitting is UV stabilizied to provide a long life span.
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Is this recommended for below water line use?
No below the waterline use either silicon bronze or stainless steel.
JD Tech Team
What is the hole opening for mounting? How big of a hole do I need to cut?
It depends on the size of the thru hull. Roughly add about an 1/8 to 3/16th to each side of the ID measurement to estimate the OD for the wall thickness.
JD Tech Team
what does the nomenclature "hose carded" mean?
That just means its packaged.
When I purchased the item it was mounted on a cardboard with plastic cover. This made it possible to hang on a rack for in store display purposes. The card and plastic are disposed of and have nothing really to do with the hose fitting itself.
Its the packaging bulk is no packaging carded is plastic wrapped to protect threads
Sorry, but I have never heard that term before. Could it be a typo of some kind or another? I know they call that a "barbed" end where the hose slips over the piece. Sorry, I wasn't able to help. Good luck! Bill
Part fits perfectly.
Was happy to get the thru hull that was a perfect replacement for my bilge discharge fitting. I had tried two other thru hull brands of same size but they were not true to size for the hose. This T-H Marine part fit perfectly and seemed to be the exact replacement the boat builder had used.