Product Overview
Check Valve 1 1/4"

Keep your boat's plumbing system flowing smoothly and reliably with the Groco Check Valve 1 1/4". This robust, bronze check valve prevents backflow, ensuring consistent performance in critical systems like bilge pumps, hot water heaters, and pump priming setups. Its low opening pressure minimizes flow restriction, maximizing efficiency and protecting your equipment from damage. Built with Groco's renowned quality, this valve is designed for long-lasting performance in the harsh marine environment.
Key Features
- Durable C83600 cast bronze construction for superior corrosion resistance and longevity.
- Low opening pressure (0.45 PSI) for minimal flow restriction and optimal system efficiency.
- NPT 1-1/4" threads for easy installation and compatibility with standard plumbing components.
- Compact design (A: 2.51", B: 1.75") for versatile placement in tight spaces.
- High-temperature tolerance (up to 176°F/80°C) for use in various onboard systems.
- Prevents backflow, protecting pumps and other equipment from damage.
- Ideal for maintaining prime in pumps, preventing bilge pump cycling, and ensuring proper hot water heater operation.
What's in the Box
- Groco Check Valve 1 1/4"
Specifications
The Captain's Take
After years of battling finicky bilge pumps and struggling to keep my systems primed, I switched to Groco check valves. The PNC-1250 is a workhorse. Its low opening pressure means I'm not losing efficiency, and the bronze construction can handle anything the ocean throws at it. I highly recommend this valve for any boater looking for a reliable, long-lasting solution to backflow problems. It's a small investment that delivers big peace of mind.