Marelon Full-Flow Seacock & 2″ Mushroom Through-Hull
This integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading for after market installations common when customers select individual parts from bins.
Features:
- System Includes Full Flow Seacock With Integrated Hose Connector and Mushroom Thru Hull
- Exceeds ABYC. H-27 Standards – UL Approved
- For Use Above or Below Waterline
- Never Corrodes – Exclusive Polymer Formulation
- Includes Emergency Handle Cap Thru-Hull Plug
SKU:FOR-904048ABYC
![Perko 2-1/2" Seacock Ball Valve Bronze [0805010PLB]](https://www.marinerailparts.com/wp-content/uploads/2026/10/perko-2-1-2-seacock-ball-valve-bronze-0805010plb.webp)
![Perko 2" Seacock Ball Valve Bronze MADE IN THE USA [0805009PLB]](https://www.marinerailparts.com/wp-content/uploads/2026/10/perko-2-seacock-ball-valve-bronze-made-in-usa-0805009plb.webp)
![GROCO 3/4" Bronze Flanged Full Flow Seacock [BV-750]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-3-4-bronze-flanged-full-flow-seacock-bv-750.webp)
![GROCO 2" NPT x 2-1/4" Bronze Full Flow Pipe to Hose Straight Fitting [FF-2000]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-2-npt-x-2-1-4-bronze-full-flow-pipe-to-hose-straight-fitting-ff-2000.webp)
![GROCO 2" NPT Bronze In-Line Ball Valve [IBV-2000]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-2-npt-bronze-in-line-ball-valve-ibv-2000.webp)
