Collection:
Marine Plumbing & Ventilation - Thru-Hull Fittings
100 products14% Off
GROCO 1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-500-W]
Regular price
$29.99
Sale price
$29.99
Regular price
$35.00
Unit price
/per
1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures:
Designed for increased flow compared to standard Thru Hulls
NPSM / NPT combination thread
C83600 Bronze
Specifications:Thread NPS: 1/2" Specificati...
16% Off
GROCO 1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-1500-W]
Regular price
$59.99
Sale price
$59.99
Regular price
$71.00
Unit price
/per
1-1/2" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:
NPSM / NPT combination thread
C83600 Bronze
Sizes from 1/2" to 5"
UL Listed 647B
Available with (-W) or without nut (-L)
BSPP and St...
13% Off
GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-750-W]
Regular price
$19.99
Sale price
$19.99
Regular price
$23.00
Unit price
/per
3/4" NPS NPT Combo Bronze Thru-Hull Fitting with NutFeatures:
NPSM / NPT combination thread
C83600 Bronze
Sizes from 1/2" to 5"
UL Listed 647B
Available with (-W) or without nut (-L)
BSPP and Stai...
15% Off
GROCO 2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-2000-WS]
Regular price
$70.99
Sale price
$70.99
Regular price
$84.00
Unit price
/per
2" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:
Extra long NPSM / NPT combination thread
#316 Stainless Steel
Specifications:
Hose Size: 2"
Material: Stainless Steel
Box Dimension...
16% Off
GROCO 1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut [THXL-1000-WS]
Regular price
$52.99
Sale price
$52.99
Regular price
$63.00
Unit price
/per
1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:
Extra long NPSM / NPT combination thread
#316 Stainless Steel
Specifications:
Material: Stainless Steel
Hose Size: 1"
Box Dimension...
14% Off
GROCO 1" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1000-W]
Regular price
$29.99
Sale price
$29.99
Regular price
$35.00
Unit price
/per
1" Bronze High Speed Thru-Hull Fitting w/Nut Features:
Designed for increased flow compared to standard Thru Hulls and with less drag
NPSM / NPT combination thread
C83600 Bronze
Specifications:
H...
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