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

GROCO

GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting with Nut, UL Listed 647B

GROCO 3/4" NPS NPT Combo Bronze Thru-Hull Fitting with Nut, UL Listed 647B

SKUCT-107181

Regular price $16.80
Regular price Sale price $16.80
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.

Out of 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 a secure and reliable hull connection with the GROCO TH-750-W Thru-Hull Fitting. Crafted from durable C83600 bronze, this fitting offers superior corrosion resistance essential for marine environments. Its versatile NPSM/NPT combination thread allows for easy integration with various plumbing accessories, while the UL Listed 647B certification guarantees quality and safety. The '-W' model includes a nut for a complete and secure installation. Upgrade your vessel's plumbing system with this dependable thru-hull solution.

Key Benefits:

  • Durable C83600 Bronze Construction: Resists corrosion and ensures long-lasting performance in harsh marine environments.
  • Versatile NPSM/NPT Combination Thread: Provides flexible connection options for various marine plumbing applications and accessories.
  • Standard 3/4" Hose/Pipe Size: Designed to fit common marine plumbing and accessory requirements.
  • UL Listed 647B: Certified for quality, safety, and compliance with industry standards for marine installations.
  • Includes Nut (-W Model): Comes ready for installation, ensuring a secure and proper fit against the hull.
  • Precise Dimensions: With a flange diameter of 1.90", a flange thickness of 0.30", and a shank length of 2.20", it ensures accurate hull integration.

Compatibility & Pairings:

  • This fitting is designed for marine use and is not suitable for potable water systems.
  • Always use appropriate sealants between the hull and the thru-hull flange for a watertight installation.
  • Consult hull thickness and seacock thread depth requirements for proper installation.

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