Groco Stainless Steel Thru-Hull

Groco Stainless Steel Thru-Hull


Sealant is recommended between the hull and thru-hull flange.

Product code: 1967 SKU: TH-750-WS Category: Tag:


Groco NPS NPT Combo Stainless Thru Hull

TH Series 3/4″ Hole Stainless Steel Combo Thru-Hull Fitting for 3/4″ NPS Pipe (TH-750-WS) by Groco®. It has NPS threads (National Pipe Straight Thread) and includes the nut for installation. Installation may require the threaded portion to be cut to the proper length-based hull and butt block thickness. Consider the thread depth when using a seacock. Sealant is recommended between the hull and thru-hull flange. Includes lock nut with bonding screw and comes with hex nut. UL Listed 647-B.

This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an affordable cost.


• NPSM / NPT combination thread
• #316 Stainless Steel
• Sizes from 1/2″ to 3″
• UL Listed 647B
• BSPP and Stainless Steel models available

Hawaii, Alaska, Canada and Other International Orders: Please place orders by phone only.

Additional information

Weight.55 lbs
Dimensions3 × 3 × 3 in


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