![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/608x608/products/26789/35258/103896XL__61173.1715776573.jpg?c=1 "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/26789/35258/103896XL__61173.1715776573.jpg?c=1&imbypass=on "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/26789/35259/103896BXL__45924.1715776574.jpg?c=1&imbypass=on "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/100x100/products/26789/35258/103896XL__61173.1715776573.jpg?c=1 "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
![GROCO 3" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/100x100/products/26789/35259/103896BXL__45924.1715776574.jpg?c=1 "GROCO 3\" Bronze Thru-Hull Fitting w\/Nut [TH-3000-W]")
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/28496/38288/103895XL__41758.1727365163.jpg?c=1 "GROCO 2-1\/2\" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]")
![GROCO 2-1\/2" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/28496/38289/103895BXL__50101.1727365164.jpg?c=1 "GROCO 2-1\/2\" Bronze Thru-Hull Fitting w\/Nut [TH-2500-W]")
GROCO 2-1/2" Bronze Thru-Hull Fitting w/Nut [TH-2500-W]
GROCO
DEAN-103895
$145.99
RRP:
$218.00
2-1/2" Bronze Thru-Hull Fitting with NutHigher flow rates are possible with this 2-1/2" GROCO thru-hull fitting than conventional thru-hulls.Features:NPSM / NPT combination threadC83600 BronzeUL...
![GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-2000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12477/14887/74298XL__07205.1715742335.jpg?c=1 "GROCO 2\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-2000-W]")
GROCO 2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-2000-W]
GROCO
DEAN-74298
$71.99
RRP:
$107.00
2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and...
![GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12474/14884/74291XL__10590.1715742329.jpg?c=1 "GROCO 1\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1000-W]")
GROCO 1" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1000-W]
GROCO
DEAN-74291
$21.99
RRP:
$33.00
1" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and...
![GROCO 1\/2" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12472/14882/74289XL__42643.1715742325.jpg?c=1 "GROCO 1\/2\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-500-W]")
GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]
GROCO
DEAN-74289
$13.99
RRP:
$21.00
1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and...
![GROCO 3\/4" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-750-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/13028/15694/75376XL__41620.1715743677.jpg?c=1 "GROCO 3\/4\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-750-W]")
GROCO 3/4" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-750-W]
GROCO
DEAN-75376
$14.99
RRP:
$22.00
3/4" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze...
![GROCO 1-1\/2" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12476/14886/74293XL__63206.1715742333.jpg?c=1 "GROCO 1-1\/2\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1500-W]")
GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]
GROCO
DEAN-74293
$47.99
RRP:
$71.00
1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and...
![GROCO 1-1\/4" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1250-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12475/14885/74292XL__29534.1715742331.jpg?c=1 "GROCO 1-1\/4\" NPS NPT Combo Bronze Thru-Hull Fitting w\/Nut [TH-1250-W]")
GROCO 1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1250-W]
GROCO
DEAN-74292
$36.99
RRP:
$55.00
1-1/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:NPSM / NPT combination threadC83600 BronzeSizes from 1/2" to 5"UL Listed 647BAvailable with (-W) or without nut (-L)BSPP and...
