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Marine Plumbing & Ventilation - Thru-Hull Fittings
97 products
Showing 1 - 24 of 97 products
Showing 1 - 24 of 97 products
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Save $5.77
![Perko 1-1/2" Thru-Hull Fitting f/Hose Plastic MADE IN THE USA [0328DP8] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/products/39178XL.jpg?v=1645685807&width=1000)
Perko 1-1/2" Thru-Hull Fitting f/Hose Plastic MADE IN THE USA [0328DP8]
Sale price$15.99
Regular price$21.76
In stockSave $11.20
![Perko 1" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/products/39176XL.jpg?v=1645685791&width=1000)
Perko 1" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP6]
Sale price$4.99
Regular price$16.19
In stockSave $4.58
![Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/products/39174XL.jpg?v=1645685776&width=1000)
Perko 5/8" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4A]
Sale price$12.99
Regular price$17.57
In stockSave $19.01
![GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/74303XL-124857.jpg?v=1713396692&width=1000)
GROCO 1-1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1500-WS]
Sale price$50.99
Regular price$70.00
In stockSave $5.01
![GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/74289XL-295210.jpg?v=1713396729&width=1000)
GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]
Sale price$15.99
Regular price$21.00
In stockSave $9.01
![GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/74291XL-560956.jpg?v=1713396690&width=1000)
GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]
Sale price$23.99
Regular price$33.00
In stockSave $6.00
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]](http://houseboatparts.com/cdn/shop/files/98089XL.jpg?v=1737060423&width=1000)
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 3/4" Inner Diameter [66547-3]
Sale price$23.99
Regular price$29.99
In stockSave $15.87
![Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/39148XL-519460.jpg?v=1713407868&width=1000)
Perko 3-1/2" x 2-1/2" Scoop Strainer Bronze MADE IN THE USA [0066DP1PLB]
Sale price$19.99
Regular price$35.86
In stockSave $3.58
![Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/products/39173XL.jpg?v=1645685768&width=1000)
Perko 1/2" Thru-Hull Fitting f/ Hose Plastic MADE IN THE USA [0328DP4]
Sale price$3.99
Regular price$7.57
In stockSave $22.00
![Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]](http://houseboatparts.com/cdn/shop/products/98094XL.jpg?v=1674678676&width=1000)
Attwood Stainless Steel Scupper Valve Barbed - 1-1/2" Hose Size [66553-3]
Sale price$77.99
Regular price$99.99
In stockSave $8.00
![Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]](http://houseboatparts.com/cdn/shop/products/98090XL.jpg?v=1674678639&width=1000)
Attwood Stainless Steel Thru-Hull Standard Straight Barbed - 1" Inner Diameter [66548-3]
Sale price$26.99
Regular price$34.99
In stockSave $29.01
![GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/75391XL-338348.jpg?v=1713396726&width=1000)
GROCO 1-1/4" 90 Degree Hose Thru-Hull Fitting [HTHC-1250-S]
Sale price$76.99
Regular price$106.00
In stockSave $6.01
![GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/74299XL-190280.jpg?v=1713396729&width=1000)
GROCO 1/2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-500-WS]
Sale price$15.99
Regular price$22.00
In stockSave $20.01
![GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/75220XL-750973.jpg?v=1713396991&width=1000)
GROCO Bronze Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500]
Sale price$52.99
Regular price$73.00
In stockSave $23.01
![GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/75345XL-276688.jpg?v=1713396726&width=1000)
GROCO 1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1250-W]
Sale price$60.99
Regular price$84.00
In stockSave $25.01
![GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/75346XL-102732.jpg?v=1713396691&width=1000)
GROCO 1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut [THXL-1500-W]
Sale price$64.99
Regular price$90.00
In stockSave $17.01
![GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/products/75349XL.jpg?v=1645793040&width=1000)
GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]
Sale price$45.99
Regular price$63.00
In stockSave $20.77
![Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/39168XL-940636.jpg?v=1713407752&width=1000)
Perko 3/4" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP5PLB]
Sale price$45.99
Regular price$66.76
In stockSave $60.01
![GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]](http://houseboatparts.com/cdn/shop/files/103895XL.jpg?v=1727390633&width=1000)
![GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]](http://houseboatparts.com/cdn/shop/files/103895BXL.jpg?v=1727390635&width=1000)
GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]
Sale price$157.99
Regular price$218.00
In stockSave $15.97
![Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/39167XL-612759.jpg?v=1713407751&width=1000)
Perko 1/2" Thru-Hull Fitting w/Pipe Thread Bronze MADE IN THE USA [0322DP4PLB]
Sale price$35.99
Regular price$51.96
In stockSave $19.10
![Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP] - Houseboatparts.com](http://houseboatparts.com/cdn/shop/files/73277XL-818972.jpg?v=1713408135&width=1000)
Perko Thru-Hull Scupper f/Mounting Through Transom [0323DP]
Sale price$40.99
Regular price$60.09
In stock
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