Groco PTH Bronze Standard Flow Pipe-To-Hose Adapter With NPT Thread
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The Groco PTH Bronze Standard Flow Pipe-To-Hose Adapter with NPT Thread connects NPT pipe thread to a hose barb for straight, standard flow plumbing setups. Made from cast bronze with a standard flow design and male NPT connection.
Key Features
- Cast bronze construction
- Straight fitting design
- Standard flow hose connection
- Male NPT thread for pipe-to-hose hookup
- Designed for pipe-to-hose applications (not for potable water systems)
Product Compatibility
- Marine plumbing and sanitation hose-to-pipe connections
- General non-potable fluid transfer where a bronze pipe-to-hose adapter is appropriate
- Use as a pipe-to-hose connection fitting in Groco PTH series-style standard flow plumbing layouts
Product Details
- SKU: 34-PTH1125
- Product type: Pipe-to-hose adapter (straight)
- Series: PTH (NPT, standard flow)
- Material: Cast bronze (C83600 bronze) ([groco.net](https://www.groco.net/pth-1125?utm_source=openai))
- Flow type: Standard Flow ([groco.net](https://www.groco.net/products/fittings/pipe-to-hose-fittings/pth-series-npt-standard-flow?utm_source=openai))
- Thread: Male NPT ([groco.net](https://www.groco.net/pth-1125?utm_source=openai))
- Thread size: 1-1/4" NPT ([groco.net](https://www.groco.net/pth-1125?utm_source=openai))
- Hose ID: 1-1/8" ([groco.net](https://www.groco.net/pth-1125?utm_source=openai))
- Included guidance from manufacturer: C83600 bronze fittings are not intended for use in potable water systems ([groco.net](https://www.groco.net/pth-1125?utm_source=openai))
- Item weight (from catalog data on this product): 272 grams
Parts Desk Insights
Best Use Case: A solid choice when you need a straight, standard-flow bronze pipe-to-hose connection using male NPT thread on the pipe side and a matching hose ID on the hose side.
Common Issues: Common fitment problems are usually caused by mismatch between the hose ID and the hose barb size, or by trying to use the fitting in potable water applications. Always confirm thread size and hose ID before assembly, and check that mating threads/gaskets are correct for your system.
Related Products & Accessories
- Browse Groco pipe-to-hose adapters (standard flow) - If you need a different NPT size or a different flow style, use the adapters category to find the matching PTH 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.