Groco PN1000 Bronze Pipe Nipple, 1" NPT
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Groco PN1000 is a PN Series cast bronze pipe nipple built to connect NPT threaded marine plumbing components. It features cast-in wrench flats for easier installation and removal and is made for full-flow connections between threaded fittings like seacocks, strainers, and check valves.
Key Features
- PN Series cast bronze construction for NPT threaded connections in marine plumbing
- NPT male threads at each end (NPT x NPT)
- Cast-in wrench flat simplifies installation and removal
- Full flow design
- Made from C83600 bronze (cast bronze)
- Not intended for potable water systems (not NSF-61 compliant)
Intended Use
- Marine plumbing inter-connections using 1" NPT threaded fittings
- Connections between NPT female components such as seacocks, strainers, and check valves
- Non-potable water system plumbing where threaded bronze components are used
Product Details
- Groco PN1000 Bronze Pipe Nipple, 1" NPT
- SKU / Variant: 34-PN1000
- Pipe size: 1" NPT (PN-1000)
- Connection: NPT x NPT (NPT male threads at each side)
- Cast-in wrench flat for installation/removal
- Material: C83600 bronze
- Flow: Full flow
- Potable water note: Not intended for potable water systems (not intended to be used in potable water systems)
- Dimensions (from Groco PN-1000 spec): Length A = 2.34"; Width B = 1.38"; Inner diameter C = 1.00"
Parts Desk Insights
Best Use Case: Use this 1" NPT bronze close-pipe nipple when you need a short, threaded bronze connection between two NPT female components in marine plumbing (for example, between a seacock/strainer/check-valve assembly). The cast-in wrench flats make it easier to snug the nipple during installation and removal.
Common Issues: To avoid leaks, confirm you’re matching NPT thread sizes (1" NPT) and that mating components are clean and aligned before tightening. Also follow your system’s service approach for threaded bronze fittings—inspect the mating surfaces and ensure appropriate sealing is used for the specific installation.
Related Products & Accessories
- Browse Groco pipe nipples & NPT fittings - Explore related Groco PN Series NPT pipe nipples and nearby plumbing fittings in the Valves & Strainers area.
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.