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Product Details

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.

Info & Guides

WARNING: These products may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov

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Overall Rating

4.0

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west coast
4 out of 5 stars.

easy to install and works fine

15 years ago
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.
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Questions

1 - 5 of 5 Questions

Q: What is the over all length? I have a 2007 Boston Whaler Conquest 205. The part that i have measures 5 1/2 inches. Will this work?

6 years ago
1 Answer

A: Overall length is 6 1/4"" but max hull thickness is 3 1/8"".

6 years ago
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Q: where can I find a scupper valve to go thru a 3__quote__ thick hull wall?

9 years ago
2 Answers

A: 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.

9 years ago
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Q: What is the length and the outside diameter of the part that goes through the hull?

10 years ago
1 Answer

A: I don't have my boat here to look at, but I think it was 6 inches in length and 1 1/2__quote__ in diameter?? I used it to to go thru the transom so I measured and cut it to length.

10 years ago
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Q: What hole size does does this scupper fit?

10 years ago
1 Answer

A: 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__quote__ thru the haul.

10 years ago
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Q: 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__quote__ thick and it would need to be at least a little longer at the thread than that. Will this adjust to longer than 2__quote__?

12 years ago
1 Answer

A: Attwood states that this is suitable for up to a 3-1/8 hull thickness. Thank You.

12 years ago
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