Attwood Thru-Hull Connectors are constructed from high impact rugged white plastic. They will not rust corrode, discolor or contribute to electrolysis. Design eliminates hull streaking and allows countersinking wherever a flush fit is required. Maximum hull thickness is 1-1/4in.
Not for below waterline use.
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My bulkhead is 2-1/4" thick. Will this thru hull work? My hose is 3/4" dia.
I do not believe the threaded section on that fitting is long enough for the thickness of your bulkhead. You may want to check to see if the manufacturer makes a fitting with a longer threaded section .
The through hull connector that I have is a Sea Choice, not Attwood. It is for a 3/4" hose. The max bulkhead for this one is 1-3/4". Since the dimensions for the Sea Choice are the same as for the Attwood, I would conclude that the max bulkhead thickness for the Attwood would also be 1-3/4", which wouldn't work for your application.
I ordered these previously and they were to short. T-H Marine part# TH-750XL worked on my 2 1/4" hull with 3/4" hose. They are on the flimsy side, don't over tighten and use plenty of sealer you should be fine. Mine have been in for over a year now,no problems.
is the stem length quoted for the entire through hull fitting, the threaded part or from inside of flange to end of hose barb? is the material marelon or something suitable for below the waterline?
The stem length, is the entire length of the stem. You need to put that several inches above the water line!
The thru the hull connector is for above the water line use only.The stem is 3-1/4" long.The threaded area is 1-3/4", and 1-1/4" max hull thickness.The threaded area is 1-1/8" in diameter.The barb is 1" in length X 5/8" in diameter.
It would be really nice to know what size on both ends.
Haven't ordered one because there's not enough info on what size they are. I need an 1 1/2 on threaded end . And 1 1/8 on barbed end. Confused on how to order because of lack of info on what you are buying.
Attractive Accurate Well Made.
Monroe, Michigan. Lake Erie
Good product- well made & cost effective
Product was used to add a drain to a humidifier holding tank so that the tank could be drained for easier removal. Drain was connected through a shut off valve to an existing 5/8 inch vinyl tube. Had to buy a neoprene washer to make it leak tight. Two humidifiers were modified and the total cost of the parts was less than $15 for each tank.