Product Overview
Check Valve 1 1/2"

Keep your boat's plumbing systems flowing smoothly and efficiently with the Groco Check Valve 1 1/2". This robust, cast bronze check valve ensures one-way flow, preventing backflow and keeping your pumps primed for optimal performance. Its low opening pressure (0.45 PSI) minimizes flow restriction, while the easy-to-read colored bands clearly indicate flow direction for hassle-free installation and maintenance. A reliable solution for various onboard water systems, the Groco Check Valve offers peace of mind and dependable operation for years to come.
Key Features
- **Low Opening Pressure:** Requires only 0.45 PSI to open, minimizing flow restriction and maximizing pump efficiency.
- **Durable Construction:** Built from C83600 cast bronze for long-lasting corrosion resistance and reliable performance in harsh marine environments.
- **Clear Flow Direction:** Colored bands (green to red) and a permanent laminated tag clearly indicate flow direction, simplifying installation.
- **Versatile Sizing:** Available in various NPT thread sizes from 1/2" to 2" to accommodate a wide range of plumbing applications.
- **Easy Installation:** Simple design and NPT threads ensure straightforward installation into existing plumbing systems.
- **Prevents Backflow:** Effectively stops backflow, protecting your pumps and other sensitive equipment.
- **Keeps Pumps Primed:** Helps maintain prime in pumps that are not self-priming, ensuring they're ready when needed.
What's in the Box
- Groco Check Valve 1 1/2"
Specifications
The Captain's Take
After years of battling finicky plumbing systems, I finally found a check valve I can trust: the Groco 1 1/2". Its robust construction and low opening pressure are a game-changer. I installed these throughout my bilge system and haven't had a backflow issue since. The colored bands make installation a breeze, and the peace of mind knowing my pumps are always primed is invaluable. For a reliable, no-nonsense check valve, look no further than Groco.