Groco HTH500 Bronze Thru-Hull
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You have 30 days to request a return. All sale items are final sale.
Groco HTH500 Bronze Thru-Hull is a bronze through-hull fitting designed for marine fuel/air plumbing applications, with a locknut included for secure mounting.
Key Features
- Bronze thru-hull fitting for marine plumbing connections
- Locknut included
- HTH series thru-hull fitting for hose connections (see Product Details for sizes/specs)
Intended Use
- Marine fuel/air plumbing systems (thru-hull hose connection)
- Use with appropriate thru-hull plumbing components matched to the hose and pipe sizing of the fitting
Product Details
- Product: Groco HTH500 Bronze Thru-Hull
- Includes: locknut
- Model/SKU in title: HTH500
- Thread/connection details (from product-identifiers found during research):
- - Pipe thread: 1/2" NPS
- - Hose size: 1/2"
- - Flange diameter: 1.7"
- - Overall length: 2.7"
Parts Desk Insights
Best Use Case: Use when you need a bronze thru-hull fitting with an included locknut for a 1/2" hose / 1/2" NPS connection in a marine fuel/air plumbing run.
Common Issues: Common install issues include alignment problems when tightening the nut, and leaks caused by mismatched hose sizing or incorrect thread engagement. Before final tightening, confirm the hose fit and that the mating surfaces/gaskets match your intended thru-hull location; refer to your marine system diagram/service manual for the correct order of components.
Related Products & Accessories
- Groco Thru-Hull Locknuts / Related Through-Hull Fittings - Browse the Fuel Lines & Hoses collection for compatible thru-hull plumbing fittings and locknut/hardware options that match your hose and pipe size.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.