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PYI - PSS Shaft Seal #02-30M-134 Shaft Size - 30mm Stern Tube Diameter - 1
TP and TPC Series tail pieces are threaded with NPS (straight) female pipe thread
allowing you to tailor it to your Bomar port lights’ exact dimensions
Weight (oz)
Groco Vented Loop 1 in. w/Mounting Hardware black-friday-sale-2025 PYI - PSS Shaft SealHVL SERIES VENTED LOOP 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 HVL series is used in an exhaust system. HVL series vented loops assure clog free anti siphon protection for sanitation or engine exhaust systems. The oversized vent valve can easily be removed for inspection or cleaning without tools.
