Seacocks & Through-Hull Fittings

Buck Algonquin Marine Hardware

Bronze & S.S. ball seacocks & thru-hulls

Conbraco Industries

Bronze ball valve seacocks, bronze thru-hulls & tailpieces

Defender Industries

Bronze, S.S., & nylon fittings, valves & strainers

Forespar Products Corp

Flush-closing & polymer ball seacocks, thru-hulls & tailpipes, flush-closing seacocks

Upgrade your boat with Forespar Marelon® nylon & carbon fiber reinforced polymer plumbing parts, the leading “marine grade” parts for use both BELOW AND ABOVE THE WATERLINE. Made for the harsh marine environment.

• Corrosion Free
• ABYC Compliant
• U.L Approved
• Extremely strong and maintenance free
22322 Gilberto
Rancho Santa Margarita, CA 92688

Gem Products

Type 316 S.S. hose & pipe thread through-hulls

Groco (Gross Mechanical Labs)

Ball & inboard suction intake seacocks, bronze thru hulls & tail pieces


Urethane seacock mounting pads & thru-hull isolators for metal hulls

Marine Hardware

Bronze ball valve seacocks & thruhulls


Molded nylon threaded and hose barb thru-hulls & tail pieces

Orcas Marine by Southco

S.S. thru hulls


Bronze ball valve seacocks & thru-hulls

Rule Industries (ITT Industries)

Plastic thru-hulls

Scot Pump Co (Div Ardox Corp)

Alum. & bronze ball, Flush plug & low profile seacocks, thru-hulls

Sea Flush

Winterizing tool

Spartan Marine (Robinhood)

Bronze seacocks, flange & flush thru-hulls