HVL series vented loops are for hose connections. The oversized vent valve is virtually clog-free, and can easily be removed without tools for inspection or cleaning by unscrewing the threaded cap. Cap has 1/2" thread for optional overboard venting. Mounting hardware is included.
NOT TO BE USED IN POTABLE WATER SYSTEMS.
Groco HVL1000 Bronze Vented Loop For Hose