Attwood Marine 3874A1 Thru-Hull Connector 1-1/8" to 1-1/4" Black Polypropylene

The Attwood Marine 3874A1 is a black polypropylene thru-hull connector designed for reliable marine plumbing applications. This durable fitting accommodates hose sizes from 1-1/8" to 1-1/4" inner diameter, making it ideal for livewell systems, bilge drains, and other above-waterline plumbing installations.

Key Features:

• Constructed from rugged polypropylene for long-lasting durability
• Black finish resists discoloration and UV degradation
• Corrosion-resistant design eliminates rust and electrolysis concerns
• Fits hose sizes 1-1/8" to 1-1/4" inner diameter
• 3-1/4" stem length accommodates various hull thicknesses
• Maximum hull thickness: 1-1/4"
• 2-1/4" flange diameter for secure mounting
• Requires 1-3/8" installation hole
• Design eliminates hull streaking and allows countersinking

Important: Plastic thru-hull connectors are designed for installation above the waterline only. This fitting provides a critical link in safe and reliable operation of onboard plumbing systems, backed by Attwood's 100+ years of marine engineering expertise.