1" White Long L-Head Thru-Hull with Nut

Product Description

Boost drainage efficiency on your vessel with our Straight L Head Drain – 1" Hose Barb, skillfully engineered for optimal performance at sea. Designed with a wide flange and off-set barb, this marine-grade Acetyl drain ensures complete sanitized water extrusion through your hose, keeping your deck dry and clean.

Whether installed on a live well, head discharge, bilge, or deck sump, this drain is the industry standard trusted by boatbuilders and marine professionals. Accurate fit, UV resistance, and durable Acetyl materials provide you reliability that endures the toughest marine conditions.

Product Specifications 

• Material: UV-resistant, high-strength Acetyl (acetal) plastic — rugged and durable for marine use

• Design: Straight L head drain featuring a wide, flat flange lip and an off-set hose barb, ensuring complete water drainage to the hose

• Hose Compatibility: Fits 1" marine sanitation hose

• Included Components: Plastic nut provided; extra room for double hose clamps

• Application: Standard flat-sided thru-hull drain used widely in marine systems

• Made: USA — trusted craftsmanship and quality control Replacement Boat Parts

Dimensions (based on Replacement Boat Parts 1 1/8" model; similar geometry assumed for 1" variant):

• A – Flange width (overall): ~4.41"

• B – Flange height: ~2.65"

• C – Threaded length: ~2.2"

• D – Required hole size: ~1.75" (may scale slightly for 1" hose)

• E – Flat lip depth: ~1.36"

• F – Lip thickness: ~0.56"

• G – Barb length: ~2.0"

• H – Barb diameter: ~0.86"

• I – Hose barb ID: ~1.125" Replacement Boat Parts

(Please verify precise hole size for your specific 1" model before installation.)