Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

GROCO

Groco THXL-750-WS Stainless Steel Extra Long Thru-Hull Fitting, 3/4" NPS

Groco THXL-750-WS Stainless Steel Extra Long Thru-Hull Fitting, 3/4" NPS

SKUCT-107462

Regular price $42.60
Regular price Sale price $42.60
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Low stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Ensure robust and reliable plumbing connections in your marine vessel with the Groco THXL-750-WS Stainless Steel Extra Long Thru-Hull Fitting. Engineered for durability, this fitting is constructed from premium #316 stainless steel, offering superior resistance to the corrosive and electrolytic effects of saltwater environments. Its extra-long design is specifically suited for installations in thicker hulls, providing a secure and lasting seal. Upgrade your boat's plumbing with Groco's trusted marine hardware.

In the Box:

  • Groco THXL-750-WS Thru-Hull Fitting
  • Retaining Nut

Key Benefits & Specifications:

  • Extra-Long NPSM / NPT Combination Thread: Provides versatile compatibility and secure connections with various marine plumbing systems.
  • Premium #316 Stainless Steel Construction: Delivers exceptional corrosion resistance and extended lifespan in harsh saltwater conditions.
  • Accommodates 3/4" Hose Size: Designed for seamless integration with standard marine hoses.
  • Ideal for Thick Hulls: Features an extra-long body (5.33" overall length) and generous thread length (1.9") to ensure proper fitment in diverse hull thicknesses.

Recommended Pairings: For a complete and watertight installation, pair with a Groco Seacock Valve and appropriate marine sealant.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details