Groco HVL-1500 Bronze Vented Loop for 1-1/2 Inch Hose

The Groco HVL-1500 is a bronze vented loop designed for 1-1/2 inch hose connections in marine sanitation and engine cooling systems. This essential component prevents siphoning and backflow by creating an air break in plumbing lines, protecting your vessel from unwanted water intrusion.

Key Features:

• Heavy-duty bronze construction for corrosion resistance in marine environments
• Oversized vent valve design is virtually clog-free for reliable operation
• Tool-free maintenance - vent valve removes easily by unscrewing threaded cap
• Threaded cap features 1/2 inch NPT opening for optional overboard venting applications
• Designed for 1-1/2 inch hose connections
• Suitable for marine head discharge lines, air conditioning systems, and engine cooling circuits

Vented loops are critical safety devices that prevent backflow and siphoning in marine plumbing systems. The HVL-1500's serviceable design ensures long-term reliability with minimal maintenance requirements, while the bronze construction provides durability in harsh saltwater conditions.