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$21.09
Scupper Flapper Replacement Kit - Thermoplastic Elastomer, 1.626" & 1.875" Sizes, Marine Grade, Won't Curl, T-H Marine
Boat Outfitters
203
$21.09
Scupper Flapper Replacement Kit - Thermoplastic Elastomer, 1.626" & 1.875" Sizes, Marine Grade, Won't Curl, T-H Marine
Boat Outfitters
203
$13.99
T-H Marine Flush Mount Scupper Valve Assembly - Flexible Thermo-Plastic Curl Proof Flapper For 1 To 1-1/4 Inch Drain Tubes Or 1-1/2 Inch Thru Hull -
Amazon.com
7
$13.99
T-H Marine Flush Mount Scupper Valve Assembly - Flexible Thermo-Plastic Curl Proof Flapper For 1 To 1-1/4 Inch Drain Tubes Or 1-1/2 Inch Thru Hull -
Amazon.com
7
$17.66
3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 Inch Rubber Flapper Valve And Gasket Boat Scupper Flapper Self Bailing Valve Flush
Amazon.com
$17.66
3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 Inch Rubber Flapper Valve And Gasket Boat Scupper Flapper Self Bailing Valve Flush
Amazon.com
$13.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$13.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$10.99
QCG 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, 2-7/8 Inch Rubber Flapper Valve And Gasket, Scupper Valve For Boats Come With Repair
Amazon.com
$10.99
QCG 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, 2-7/8 Inch Rubber Flapper Valve And Gasket, Scupper Valve For Boats Come With Repair
Amazon.com
$12.79
T-H Marine Flush Mount Scupper Valve Assembly | Durable Marine Scupper Valve With Curl Proof Flapper For 1" To 1.25" Drain Tubes | Versatile
Amazon.com
55
$12.79
T-H Marine Flush Mount Scupper Valve Assembly | Durable Marine Scupper Valve With Curl Proof Flapper For 1" To 1.25" Drain Tubes | Versatile
Amazon.com
55
$6.99
Aincix 1 1/8 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$6.99
Aincix 1 1/8 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$9.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$9.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$18.89
UASAM Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, Cockpit Scupper Valve Include 2-7/8 Inch Rubber Flapper Valve And 1 1/2 Inch Gasket
Amazon.com
6
$18.89
UASAM Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, Cockpit Scupper Valve Include 2-7/8 Inch Rubber Flapper Valve And 1 1/2 Inch Gasket
Amazon.com
6
$25.99
T-H Marine Recessed Flapper Scupper Drain/Black Flapper In White | Overton's
Overton's
1
$25.99
T-H Marine Recessed Flapper Scupper Drain/Black Flapper In White | Overton's
Overton's
1
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fittings, Straight White Finish
Amazon.com
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fittings, Straight White Finish
Amazon.com
$42.99
Boat Self-Bailing Ball Scupper Valve Raplacment For TH Marine Flow Max Scupper Valve, Bailing Scupper Replaces Old Scupper Flapper Replacement Kit
Amazon.com
9
Free shipping
$42.99
Boat Self-Bailing Ball Scupper Valve Raplacment For TH Marine Flow Max Scupper Valve, Bailing Scupper Replaces Old Scupper Flapper Replacement Kit
Amazon.com
9
$25.99
T-H Marine Recessed Flapper Scupper Drain, White/Black Flapper | Camping World
Camping World
1
$25.99
T-H Marine Recessed Flapper Scupper Drain, White/Black Flapper | Camping World
Camping World
1
$11.95
Gemlux 2" Replacement Thru Hull Scupper Flapper Assembly
eBay
$11.95
Gemlux 2" Replacement Thru Hull Scupper Flapper Assembly
eBay
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$15.11
T H Marine Flapper Scupper Replacement Kit FSRK 3 DP
eBay
4
Free shipping
$15.11
T H Marine Flapper Scupper Replacement Kit FSRK 3 DP
eBay
4
$62.36
$74.99
T-H Marine Cockpit Scupper Drain, UV-Stabilized Polymer Marine Drain Fitting With Check Ball Design, Easy Installation 1.5" Hose Compatibility, Leaf
Amazon.com
17
Free shipping
16% off
$62.36
$74.99
T-H Marine Cockpit Scupper Drain, UV-Stabilized Polymer Marine Drain Fitting With Check Ball Design, Easy Installation 1.5" Hose Compatibility, Leaf
Amazon.com
17
$6.99
Nylon Thru-Hull Scuppers With Stainless Steel Trim
Marine Depot Direct
$6.99
Nylon Thru-Hull Scuppers With Stainless Steel Trim
Marine Depot Direct
$42.54
Marine Scupper Ring With Cover - 316 Stainless Steel, 1.25" Drain, One-Way Flapper Valve, Transom Drain Replacement
Boat Outfitters
$42.54
Marine Scupper Ring With Cover - 316 Stainless Steel, 1.25" Drain, One-Way Flapper Valve, Transom Drain Replacement
Boat Outfitters
$29.74
T-H MARINE FLAPPER SCUPPER REPLACEMENT KIT- FSRK-3-DP
eBay
8
Free shipping
$29.74
T-H MARINE FLAPPER SCUPPER REPLACEMENT KIT- FSRK-3-DP
eBay
8
$23.66
TH Marine SA-1-DP Flush Mount Scupper Valve Assembly Black/Black Flapper
eBay
Free shipping
$23.66
TH Marine SA-1-DP Flush Mount Scupper Valve Assembly Black/Black Flapper
eBay
Free shipping
$11.95
TH Marine Flapper Scupper Repair Kit For Boat Scupper 1-3/4"" Black Cover (Pair)
eBay
15
Free shipping
$11.95
TH Marine Flapper Scupper Repair Kit For Boat Scupper 1-3/4"" Black Cover (Pair)
eBay
15
$18.99
Seafit Scupper Flapper Repair Kit - Black | For Boats | By West Marine
WestMarine
$18.99
Seafit Scupper Flapper Repair Kit - Black | For Boats | By West Marine
WestMarine
$23.11
T.H. MARINE SA-1-DP SCUPPER ADTPR Black FLAPPER SA-1-DP
eBay
Free shipping
$23.11
T.H. MARINE SA-1-DP SCUPPER ADTPR Black FLAPPER SA-1-DP
eBay
Free shipping
$15.41
Scupper Flapper Replacement For FSRK-3-DP TH Mar-Ine Boat Scupper Flappers Repai
eBay
Free shipping
$15.41
Scupper Flapper Replacement For FSRK-3-DP TH Mar-Ine Boat Scupper Flappers Repai
eBay
Free shipping
$86.52
Gemlux Boat Thru Hull W/ Scupper Flap 72007-2 | 1 1/2 Inch Stainless
eBay
Free shipping
$86.52
Gemlux Boat Thru Hull W/ Scupper Flap 72007-2 | 1 1/2 Inch Stainless
eBay
Free shipping
$11.95
$12.88
Attwood 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit
Amazon.com
318
$11.95
$12.88
Attwood 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit
Amazon.com
318
$86.91
Attwood 66553-3 Boat Self-Bailing Cockpit Barbed Stainless Steel 1 ½-Inch Scupper Valve
Amazon.com
197
Free shipping
$86.91
Attwood 66553-3 Boat Self-Bailing Cockpit Barbed Stainless Steel 1 ½-Inch Scupper Valve
Amazon.com
197
$238.87
$299.99
1-1/2" Thru Hull Scupper Drain 15° W/One Way Flap & Stainless Steel
eBay
20% off
$238.87
$299.99
1-1/2" Thru Hull Scupper Drain 15° W/One Way Flap & Stainless Steel
eBay
$61.25
Centek 1200134 White Scupper Drain With Flapper 3 Inch Outside Diameter
eBay
$61.25
Centek 1200134 White Scupper Drain With Flapper 3 Inch Outside Diameter
eBay
$259.95
EAGLE 1 TPO Thru Wall Scupper Tube - TPO Wall Drain Flashing - White TPO Membrane Roof Flashing Drain - Free Pair Of Gloves Included (6"X6"X16")
Amazon.com
$259.95
EAGLE 1 TPO Thru Wall Scupper Tube - TPO Wall Drain Flashing - White TPO Membrane Roof Flashing Drain - Free Pair Of Gloves Included (6"X6"X16")
Amazon.com
$32.99
Mojiate 2Pcs Boat Plastic Thru Hull Grey Nylon Join 1 ½-Inch Scupper Valve,Top Cover 316 Stainless Steel Cover,And Equipped With A Water Baffle
Amazon.com
20
$32.99
Mojiate 2Pcs Boat Plastic Thru Hull Grey Nylon Join 1 ½-Inch Scupper Valve,Top Cover 316 Stainless Steel Cover,And Equipped With A Water Baffle
Amazon.com
20
$19.00
$19.99
1-1/2" Thru Hull Scupper Drain 15° W/One Way Flap & Stainless Steel
eBay
$19.00
$19.99
1-1/2" Thru Hull Scupper Drain 15° W/One Way Flap & Stainless Steel
eBay
$40.19
Seachoice Self-Bailing Scupper, Large, Clear, Fits 1.5-3 in. Openings
Amazon.com
41
Free shipping
$40.19
Seachoice Self-Bailing Scupper, Large, Clear, Fits 1.5-3 in. Openings
Amazon.com
41
$150.00
Scupper Flap Lock Down Replacement Set Kadey Krogen Trawler - Lot 10
eBay
$150.00
Scupper Flap Lock Down Replacement Set Kadey Krogen Trawler - Lot 10
eBay
$122.54
Marine Oval Scupper System - Stainless Steel & ABS Plastic, High-Flow Design, 15° Flapper Valve, Marine Town
Boat Outfitters
$122.54
Marine Oval Scupper System - Stainless Steel & ABS Plastic, High-Flow Design, 15° Flapper Valve, Marine Town
Boat Outfitters
A Guide to Scupper Plugs
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A Guide to Scupper Plugs
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YouTubeBrooklyn Kayak Company
1-3/4" Boat Scupper Flapper Replacement - for Boats Stainless Steel and Plastic Thru Hull Scuppers Scupper Valves Repair Kit
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1-3/4" Boat Scupper Flapper Replacement - for Boats Stainless …
Jan 15, 2025
amazon
Boat Drain Scupper Repair or Replacement How Too
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Boat Drain Scupper Repair or Replacement How Too
23.6K viewsJun 25, 2021
YouTubeSanity Maintenance
Proper Scupper Flashing Detail | How to install Self-adhered Membranes
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Proper Scupper Flashing Detail | How to install Self-adhered Membr…
15.5K viewsJun 28, 2021
YouTubePolyglass USA Inc
Stainless Steel Flapper Boat Scuppers by Seaworthy Innovations.
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Stainless Steel Flapper Boat Scuppers by Seaworthy Innovatio…
16.6K viewsAug 18, 2021
YouTubeSeaworthy Innovations
Scupper boat drain removal. Flow Max
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Scupper boat drain removal. Flow Max
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YouTubeSanity Maintenance
Replacing Scupper Drains on a Boat
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Replacing Scupper Drains on a Boat
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YouTubeLanders Fishing
Tips and Tricks: Scuppers and Scupper plugs.
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Catalina 22 transom scuppers
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YouTubeMatthew Silva
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YouTubeChris Boats
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DIY Fishing -- Self draining Scupper plug/ Kayak one way valve
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YouTubeDIY Fishing
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Top 4: Best Boat Scuppers 2025
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Best Boat Scuppers - Top 5 Boat Scuppers of 2021
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YouTubeTop Compared
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How to Install EverGuard Pre-Manufactured Scupper HD | Smar…
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How to Replace Boat Scuppers | No More Water on Deck | DIY Easy Ch…
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H:Skiff 13 Scupper Issues, Water in the boat, YIKES!
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YouTubeCigar Junkee
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SV Ramble On | New Cockpit Scupper Drains
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YouTubeSV Ramble On
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Mercruiser Water Flapper Exhaust Shutter Replacement
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YouTubeKytor Industries
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YouTubeSpooled Magazine
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TPO Through-Wall Scupper with Coated Metal (U-18A)
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YouTubeCarlisle SynTec Systems
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Duro-Last Training - Scupper
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YouTubeDuro-Last Roofing
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SHOCKFORM'S FLAPSPEED® PRO
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YouTubeShockform Aeronautique Inc.
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Sep 5, 2015
commercialroofusa.com
13:03
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YouTubeJ&RS Build
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Shop scupper flaps

Sponsored
About our ads
$21.09
Scupper Flapper Replacement Kit - Thermoplastic Elastomer, 1.626" & 1.875" Sizes, Marine Grade, Won't Curl, T-H Marine
Boat Outfitters
203
$21.09
Scupper Flapper Replacement Kit - Thermoplastic Elastomer, 1.626" & 1.875" Sizes, Marine Grade, Won't Curl, T-H Marine
Boat Outfitters
203
$13.99
T-H Marine Flush Mount Scupper Valve Assembly - Flexible Thermo-Plastic Curl Proof Flapper For 1 To 1-1/4 Inch Drain Tubes Or 1-1/2 Inch Thru Hull -
Amazon.com
7
$13.99
T-H Marine Flush Mount Scupper Valve Assembly - Flexible Thermo-Plastic Curl Proof Flapper For 1 To 1-1/4 Inch Drain Tubes Or 1-1/2 Inch Thru Hull -
Amazon.com
7
$17.66
3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 Inch Rubber Flapper Valve And Gasket Boat Scupper Flapper Self Bailing Valve Flush
Amazon.com
$17.66
3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit 2-7/8 Inch Rubber Flapper Valve And Gasket Boat Scupper Flapper Self Bailing Valve Flush
Amazon.com
$13.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$13.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$10.99
QCG 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, 2-7/8 Inch Rubber Flapper Valve And Gasket, Scupper Valve For Boats Come With Repair
Amazon.com
$10.99
QCG 3876-3 Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, 2-7/8 Inch Rubber Flapper Valve And Gasket, Scupper Valve For Boats Come With Repair
Amazon.com
$12.79
T-H Marine Flush Mount Scupper Valve Assembly | Durable Marine Scupper Valve With Curl Proof Flapper For 1" To 1.25" Drain Tubes | Versatile
Amazon.com
55
$12.79
T-H Marine Flush Mount Scupper Valve Assembly | Durable Marine Scupper Valve With Curl Proof Flapper For 1" To 1.25" Drain Tubes | Versatile
Amazon.com
55
$6.99
Aincix 1 1/8 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$6.99
Aincix 1 1/8 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$9.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$9.89
GDW 1-3/4" Replacement Flapper For Stainless Steel And Plastic Thru Hull Scuppers
Amazon.com
3
$18.89
UASAM Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, Cockpit Scupper Valve Include 2-7/8 Inch Rubber Flapper Valve And 1 1/2 Inch Gasket
Amazon.com
6
$18.89
UASAM Boat Self-Bailing Cockpit Mounted Scupper Valve Kit, Cockpit Scupper Valve Include 2-7/8 Inch Rubber Flapper Valve And 1 1/2 Inch Gasket
Amazon.com
6
$25.99
T-H Marine Recessed Flapper Scupper Drain/Black Flapper In White | Overton's
Overton's
1
$25.99
T-H Marine Recessed Flapper Scupper Drain/Black Flapper In White | Overton's
Overton's
1
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fittings, Straight White Finish
Amazon.com
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fittings, Straight White Finish
Amazon.com
$42.99
Boat Self-Bailing Ball Scupper Valve Raplacment For TH Marine Flow Max Scupper Valve, Bailing Scupper Replaces Old Scupper Flapper Replacement Kit
Amazon.com
9
Free shipping
$42.99
Boat Self-Bailing Ball Scupper Valve Raplacment For TH Marine Flow Max Scupper Valve, Bailing Scupper Replaces Old Scupper Flapper Replacement Kit
Amazon.com
9
$25.99
T-H Marine Recessed Flapper Scupper Drain, White/Black Flapper | Camping World
Camping World
1
$25.99
T-H Marine Recessed Flapper Scupper Drain, White/Black Flapper | Camping World
Camping World
1
$11.95
Gemlux 2" Replacement Thru Hull Scupper Flapper Assembly
eBay
$11.95
Gemlux 2" Replacement Thru Hull Scupper Flapper Assembly
eBay
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$5.99
Aincix 3/4 Inch Thru Hull Scupper Flapper Valve Fitting For Marine Boat, Straight Black Finish
Amazon.com
$15.11
T H Marine Flapper Scupper Replacement Kit FSRK 3 DP
eBay
4
Free shipping
$15.11
T H Marine Flapper Scupper Replacement Kit FSRK 3 DP
eBay
4
$62.36
$74.99
T-H Marine Cockpit Scupper Drain, UV-Stabilized Polymer Marine Drain Fitting With Check Ball Design, Easy Installation 1.5" Hose Compatibility, Leaf
Amazon.com
17
Free shipping
16% off
$62.36
$74.99
T-H Marine Cockpit Scupper Drain, UV-Stabilized Polymer Marine Drain Fitting With Check Ball Design, Easy Installation 1.5" Hose Compatibility, Leaf
Amazon.com
17
$6.99
Nylon Thru-Hull Scuppers With Stainless Steel Trim
Marine Depot Direct
$6.99
Nylon Thru-Hull Scuppers With Stainless Steel Trim
Marine Depot Direct