GROCO Bronze Vented Loop - 1" Hose [HVL-1000] Marine Hardware | Oarlocks Whale's most versatile high performance

Whale's most versatile high performance pump design

Swivel & Tilt Base

A single-handed wrench that holds the main thru-hull housing via the 'wrench flats' on the side of the housing to facilitate tightening of the hull nut

500 W total)

Factory P/N KS9007

GROCO Bronze Vented Loop - 1" Hose [HVL-1000] Marine Hardware | Oarlocks Whale's most versatile high performanceBronze Vented Loop 1" Hose Features: Allows air to enter to break siphon, but does not permit air and odors to escape! Cap is threaded 1 2" NPT to accept a barb fitting if you wish to vent overboard. Overboard venting is required if PVL or HVL series is used in an exhaust system. HVL and PVL series vented loops assure clog free anti siphon protection for sanitation or engine exhaust systems. The oversized vent valve can easily be removed for