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Groco Stainless Steel Extra Long Thru-Hull Fitting

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Part Number

3 part numbers · from $40.74
Sale Price

from $40.74

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Groco Stainless Steel Extra Long Thru-Hull Fitting is a marine thru-hull with an extended body. It is made for boats with thick hull sections, where a standard-length fitting can't pass all the way through. It is a common choice for raw water intakes, cockpit drains, bilge and other through-hull plumbing runs.

Key Features:

  • Extra long NPSM / NPT combination thread that reaches through thick hull laminates
  • Made from #316 stainless steel for corrosion resistance in saltwater and other harsh marine conditions
  • Available with a nut (WS models)
  • Part of the Groco THXL-WS series of thru-hull fittings

Groco is a long-established marine plumbing brand. The THXL-WS series is offered in several thread sizes, so you can match the fitting to your seacock, hose or valve. Pick the size that suits your plumbing.

Select yours to see vehicle-specific options.

Select & Customize

3 items

$67.81
PART NUMBER: THXL2000WS
In Stock (9)
Usually delivered within 2 days
$40.74
PART NUMBER: THXL1000WS
In Stock (8)
Usually delivered within 2 days
$48.14
PART NUMBER: THXL1250WS
In Stock (5)
Usually delivered within 2 days

Select & Customize

web site was clean and efficient. pricing was very good. If this comes through as expected, I will go to boatplicity for all my boating needs.

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First purchase from your business but it won't be the last. Great prices and prompt shipping was appreciated!!

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