Description
Marelon Full-Flow Seacock & 1-1/2″ 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
Explore more from our collection.
![Forespar Marelon Full-Flow Seacock 1-1/2" Mushroom Through-Hull [904046Abyc] 1](https://www.autopartsdrive.shop/wp-content/uploads/2026/06/68952XL-u0PGOA.tmp_.webp)
![Groco Bronze Round Hull Strainer W/Access Door F/Up To 1" Thru-Hull [Rsc-1000] 1](https://www.autopartsdrive.shop/wp-content/uploads/2026/05/75268XL-hP8z8w.tmp_.webp)
![Groco 1/2" Npt Bronze 3-Way Valve [Twv-500] 1](https://www.autopartsdrive.shop/wp-content/uploads/2026/05/75354XL-tzgIID.tmp_.webp)
![Groco Bronze Clam Shell Style Hull Strainer F/Up To 1" Thru Hull [Sc-1000-L] 1](https://www.autopartsdrive.shop/wp-content/uploads/2026/05/75305XL-qvaumq.tmp_.webp)
Reviews
There are no reviews yet.