The OPW 71SO-420C Overfill Prevention Valve is designed to prevent the overfill of underground storage tanks by providing a positive shut-off of product delivery.
Key Features
- Simple, Easy and Quick Installation - No excavation or special manholes required.
- Economical - Costs a fraction of expensive, complicated and difficult-to-install valves.
- Furnished Coplete - Supplied with new upper and lower drop tubes, mounting hardware and thorough instructions for quick job site time.
- Completely Automatic Operation - No pre-checks to perform, no resets, and no overrides to be broken or abused.
- No Pressurization of the Tank - Operates directly from liquid level.
- Will Accept a Dipstick for Gauging.
- Retrofits Directly - For both new and existing tanks with 4" fill risers.
- Quick Drain Feature - Automatically drains hose when head pressure is relieved.
*This item is not eligible for free shipping.