{"product_id":"groco-stainless-steel-thru-hull-fitting-hth-750-s-3-4-inch-nps-thread-with-locknut","title":"Groco Stainless Steel Thru Hull Fitting HTH-750-S, 3\/4 Inch NPS Thread with Locknut","description":"\u003cp\u003eThe Groco HTH-750-S is a stainless steel thru hull fitting sized for 3\/4 inch hose connections, designed for below-waterline plumbing runs on boats such as raw water intake, drain, and discharge lines. The fitting uses a 3\/4 inch National Pipe Straight (NPS) thread with a right-hand, coarse thread class, allowing it to mate with standard 3\/4 inch hose barb and strainer fittings common on recreational and commercial vessels. It ships with a locknut that includes a bonding screw, letting installers tie the fitting into a boat's bonding system for corrosion protection and electrical continuity between underwater metal fittings. The compatible groove diameter is 0.75 inches, and the fastener uses a flat head with a slotted drive for straightforward installation with a standard screwdriver. Overall installed dimensions are 4 x 3 x 3 inches, and the fitting carries a commercial grade rating, reflecting construction suited to demanding marine service. At 0.5125 pounds, it is light enough for straightforward handling during hull installation or replacement. This thru hull fitting is a straightforward, single-piece replacement part for boat owners upgrading or replacing an existing 3\/4 inch thru hull connection.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Groco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e HTH-750-S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 3\/4 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e National Pipe Straight (NPS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Style:\u003c\/strong\u003e Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Class:\u003c\/strong\u003e Coarse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Groove Diameter:\u003c\/strong\u003e 0.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExterior Finish:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Head Style:\u003c\/strong\u003e Flat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Style:\u003c\/strong\u003e Slotted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Rating:\u003c\/strong\u003e Commercial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 4 x 3 x 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.5125 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Hardware:\u003c\/strong\u003e Locknut with bonding screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Pieces:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat size hose does the Groco HTH-750-S fit?\u003c\/strong\u003e The Groco HTH-750-S is sized for 3\/4 inch hose, with a compatible groove diameter of 0.75 inches for a secure hose connection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this thru hull fitting come with a locknut?\u003c\/strong\u003e Yes, the HTH-750-S includes a locknut with a bonding screw, allowing the fitting to be tied into a boat's bonding system during installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat thread type does the HTH-750-S use?\u003c\/strong\u003e It uses a 3\/4 inch National Pipe Straight (NPS) thread with a right-hand, coarse thread class.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Groco HTH-750-S made of stainless steel?\u003c\/strong\u003e Yes, this Groco thru hull fitting has a stainless steel exterior finish, suited for below-waterline marine use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the overall dimensions of this fitting?\u003c\/strong\u003e The HTH-750-S measures 4 x 3 x 3 inches as installed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the HTH-750-S weigh?\u003c\/strong\u003e This thru hull fitting weighs 0.5125 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is a bonding screw used for on this fitting?\u003c\/strong\u003e The bonding screw on the HTH-750-S locknut lets installers connect the fitting to the boat's bonding wire, providing corrosion protection and electrical continuity between underwater metal fittings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of screw head and drive does the HTH-750-S use?\u003c\/strong\u003e The fitting uses a flat head screw with a slotted drive, installable with a standard flathead screwdriver.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the HTH-750-S rated for commercial use?\u003c\/strong\u003e Yes, the Groco HTH-750-S carries a commercial grade rating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many pieces come with the HTH-750-S?\u003c\/strong\u003e The HTH-750-S is supplied as a single-piece thru hull fitting with its locknut and bonding screw included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the HTH-750-S typically used for on a boat?\u003c\/strong\u003e This 3\/4 inch thru hull fitting is used for below-waterline plumbing connections such as raw water intake, drain, or discharge lines.\u003c\/p\u003e","brand":"Groco","offers":[{"title":"Default Title","offer_id":49031097024731,"sku":"GRO-HTH-750S","price":23.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/518V-g6ySaL_6368bc48-e3d4-4b73-8d96-44fe240824ee.jpg?v=1785208671","url":"https:\/\/www.goodvibesmarina.com\/products\/groco-stainless-steel-thru-hull-fitting-hth-750-s-3-4-inch-nps-thread-with-locknut","provider":"Good Vibes Marina","version":"1.0","type":"link"}