Attwood Thru-Transom scupper with rubber flapper that opens to drain water out and closes to prevent backwash. Acetal construction. For 1-1/2" I.D. hose.
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Scuppers and Valves
where can I find a scupper valve to go thru a 3" thick hull wall?
I only used the outside of the Scuppers which contained the rubber flapper and retaining ring since they matched the ones on my boat. (And we're what needed replacing) The internal plumbing of the old Scuppers were fine so I didn't replace them. If there had been easy access I would have replaced them but it would be a major headache to reach them under the deck and in the bilge. Based on the length of the plumbing pipe portion, going through a 3 inch hull should not be a problem. The product is of good quality and I would recommend it, I am just glad I was able to short cut a complete installation.
I don't know. try the internet or google it.Roop Singh
What is the length and the outside diameter of the part that goes through the hull?
I don't have my boat here to look at, but I think it was 6 inches in length and 1 1/2" in diameter??I used it to to go thru the transom so I measured and cut it to length.
What hole size does does this scupper fit?
I was just replacing the Four of the original that I believe came on my 1990 Grady White and was a perfect match. I believe the hole was 1 1/2" thru the haul.
I need to know the transom thickness that this item will cover, I can see that it's somewhat adjustable by the thread but the transom on my catalina 22 is 2" thick and it would need to be at least a little longer at the thread than that. Will this adjust to longer than 2"?
Attwood states that this is suitable for up to a 3-1/8 hull thickness. Thank You.
easy to install and works fine
I replaced the original, (20 year old)transom scuppers on my grady white with this product. this product matched the old ones well and is actually a slightly better design than the old ones.