Groco Marine Plumbing
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Groco®Strainer CapStrainer Cap by Groco®. Non-meatallic strainer cap. 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...Made to guarantee exceptional reliabilityHigh grade materials$26.20 - $46.13 - Groco®Strainer Service KitStrainer Service Kit by Groco®. If youre looking for a quality product that will serve you for years to come, look no further. This product is made of high-quality materials to serve you for years to come. Designed using...Made to guarantee exceptional reliabilityHigh grade materials$22.47 - $36.38
- Groco®2-Way 90° Shut-Off Valve2-Way 90° Shut-Off Valve by Groco®. For fiberglass tanks. 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...Compact design90 deg; flow path$27.83 - $43.25
- Groco®2-Way Shut-Off Valve2-Way Shut-Off Valve by Groco®. Fuel system valves must have an independent means of support. These full-flow valves meet all requirements and feature a SS handle and hardware, PTFE seats and seals and is UL Listed for fuel applications.Patented selectable handle rotationFull flow$24.30 - $43.89
- Groco®390 GPH Electric Heavy Duty Vane Utility Pump390 GPH Electric Heavy Duty Vane Utility Pump by Groco®. Vane Pumps are self-priming, are instantly reversible, and are capable of operation in either direction. Relatively high flow (more than gear pumps) makes them suitable for...Expertly crafted from premium materialsHigh quality at a budget-friendly price$441.09 - $752.33
- Groco®HVL Series Vented LoopHVL Series Vented Loop by Groco®. 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...Allows air to enter to break siphon, but does not permit air and odors to escape! Cap is threaded 1/2" NPT to accept a barb fitting if you wish to vent overboardOverboard venting is required if PVL or HVL series is used in an exhaust system$240.52 - $268.86
- Groco®Pressurized Accumulator TankPressurized Accumulator Tank by Groco®. A pneumatic pressure charge, matched to the pump cut on pressure prevents water logging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure...Expertly crafted from premium materialsDesigned to match rigorous quality standards$274.55 - $1,372.81
- Groco®TH Series 1" Hole Bronze Combo Thru-Hull Fitting for 1" BSPP Pipe (TH-100-W)TH Series 1" Hole Bronze Combo Thru-Hull Fitting for 1" BSPP Pipe by Groco®. 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...British Standard Pipe Parallel (BSPP) ThreadC83600 Bronze$32.49
- Groco®TH Series 1" Hole Bronze Combo Thru-Hull Fitting for 1" NPS Pipe (TH-1000-W)TH Series 1" Hole Bronze Combo Thru-Hull Fitting for 1" NPS Pipe (TH-1000-W) by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$31.67
- Groco®TH Series 1-1/2" Hole Bronze Combo Thru-Hull Fitting for 1-1/2" BSPP Pipe (TH-150-W)TH Series 1-1/2" Hole Bronze Combo Thru-Hull Fitting for 1-1/2" BSPP Pipe by Groco®. 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....British Standard Pipe Parallel (BSPP) ThreadC83600 Bronze$70.95
- Groco®TH Series 1-1/2" Hole Bronze Combo Thru-Hull Fitting for 1-1/2" NPS Pipe (TH-1500-W)TH Series 1-1/2" Hole Bronze Combo Thru-Hull Fitting for 1-1/2" NPS Pipe (TH-1500-W) by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$64.92
- Groco®TH Series 1-1/4" Hole Bronze Combo Thru-Hull Fitting for 1-1/4" BSPP Pipe (TH-125-W)TH Series 1-1/4" Hole Bronze Combo Thru-Hull Fitting for 1-1/4" BSPP Pipe by Groco®. 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....British Standard Pipe Parallel (BSPP) ThreadC83600 Bronze$54.38
- Groco®TH Series 1-1/4" Hole Bronze Combo Thru-Hull Fitting for 1-1/4" NPS Pipe (TH-1250-W)TH Series 1-1/4" Hole Bronze Combo Thru-Hull Fitting for 1-1/4" NPS Pipe (TH-1250-W) by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$50.30
- Groco®TH Series 1/2" Hole Bronze Combo Thru-Hull Fitting for 1/2" NPS Pipe (TH-500-W)TH Series 1/2" Hole Bronze Combo Thru-Hull Fitting for 1/2" NPS Pipe (TH-500-W) by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$20.16
- Groco®TH Series 2" Hole Bronze Combo Thru-Hull Fitting for 2" BSPP Pipe (TH-200-W)TH Series 2" Hole Bronze Combo Thru-Hull Fitting for 2" BSPP Pipe by Groco®. 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...British Standard Pipe Parallel (BSPP) ThreadC83600 Bronze$104.68
- Groco®TH Series 2" Hole Bronze Combo Thru-Hull Fitting for 2" NPS Pipe (TH-2000-W)TH Series 2" Hole Bronze Combo Thru-Hull Fitting for 2" NPS Pipe (TH-2000-W) by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$96.93
- Groco®TH Series 2-1/2" Hole Bronze Combo Thru-Hull Fitting for 2-1/2" NPS Pipe (TH-2500-W)TH Series 2-1/2" Hole Bronze Combo Thru-Hull Fitting for 2-1/2" NPS Pipe by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$204.85
- Groco®TH Series 3" Hole Bronze Combo Thru-Hull Fitting for 3" NPS Pipe (TH-3000-W)TH Series 3" Hole Bronze Combo Thru-Hull Fitting for 3" NPS Pipe by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$293.19
- Groco®TH Series 3/4" Hole Bronze Combo Thru-Hull Fitting for 3/4" BSPP Pipe (TH-75-W)TH Series 3/4" Hole Bronze Combo Thru-Hull Fitting for 3/4" BSPP Pipe by Groco®. 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...British Standard Pipe Parallel (BSPP) ThreadC83600 Bronze$24.06
- Groco®TH Series 3/4" Hole Bronze Combo Thru-Hull Fitting for 3/4" NPS Pipe (TH-750-W)TH Series 3/4" Hole Bronze Combo Thru-Hull Fitting for 3/4" NPS Pipe (TH-750-W) by Groco®. 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...NPSM/NPT combination threadC83600 Bronze$22.07
- Groco®TH Series 4" Hole Bronze Combo Thru-Hull Fitting for 4" NPS Pipe (TH-4000-W)TH Series 4" Hole Bronze Combo Thru-Hull Fitting for 4" NPS Pipe by Groco®. 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...NPSM/NPT combination threadC84400 Bronze$1,036.15
- Groco®THXL Series 1" Hole Bronze Combo XL Thru-Hull Fitting for 1" NPS Pipe (THXL-1000-W)THXL Series 1" Hole Bronze Combo XL Thru-Hull Fitting for 1" NPS Pipe (THXL-1000-W) by Groco®. 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...Extra long NPSM / NPT combination threadC83600 Bronze$45.73
- Groco®THXL Series 1" Hole Stainless Steel Combo XL Thru-Hull Fitting for 1" NPS Pipe (THXL-1000-WS)THXL Series 1" Hole Stainless Steel Combo XL Thru-Hull Fitting for 1" NPS Pipe (THXL-1000-WS) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Extra long NPSM / NPT combination thread#316 Stainless Steel$57.61
- Groco®THXL Series 1-1/2" Hole Bronze Combo XL Thru-Hull Fitting for 1-1/2" NPS Pipe (THXL-1500-W)THXL Series 1-1/2" Hole Bronze Combo XL Thru-Hull Fitting for 1-1/2" NPS Pipe (THXL-1500-W) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Extra long NPSM/NPTcombination threadC83600 Bronze$78.64
- Groco®THXL Series 1-1/2" Hole Stainless Steel Combo XL Thru-Hull Fitting for 1-1/2" NPS Pipe (THXL-1500-WS)THXL Series 1-1/2" Hole Stainless Steel Combo XL Thru-Hull Fitting for 1-1/2" NPS Pipe (THXL-1500-WS) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...Extra long NPSM / NPT combination thread#316 Stainless Steel$71.16
- Groco®THXL Series 1-1/4" Hole Bronze Combo XL Thru-Hull Fitting for 1-1/4" NPS Pipe (THXL-1250-W)THXL Series 1-1/4" Hole Bronze Combo XL Thru-Hull Fitting for 1-1/4" NPS Pipe (THXL-1250-W) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Extra long NPSM/NPTcombination threadC83600 Bronze$73.15
- Groco®THXL Series 1-1/4" Hole Stainless Steel Combo XL Thru-Hull Fitting for 1-1/4" NPS Pipe (THXL-1250-WS)THXL Series 1-1/4" Hole Stainless Steel Combo XL Thru-Hull Fitting for 1-1/4" NPS Pipe (THXL-1250-WS) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...Extra long NPSM / NPT combination thread#316 Stainless Steel$69.32
- Groco®THXL Series 2" Hole Bronze Combo XL Thru-Hull Fitting for 2" NPS Pipe (THXL-2000-W)THXL Series 2" Hole Bronze Combo XL Thru-Hull Fitting for 2" NPS Pipe (THXL-2000-W) by Groco®. 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...Extra long NPSM/NPTcombination threadC83600 Bronze$108.82
- Groco®THXL Series 2" Hole Stainless Steel Combo XL Thru-Hull Fitting for 2" NPS Pipe (THXL-2000-WS)THXL Series 2" Hole Stainless Steel Combo XL Thru-Hull Fitting for 2" NPS Pipe (THXL-2000-WS) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Extra long NPSM / NPT combination thread#316 Stainless Steel$76.82
- Groco®THXL Series 3/4" Hole Bronze Combo XL Thru-Hull Fitting for 3/4" NPS Pipe (THXL-750-W)THXL Series 3/4" Hole Bronze Combo XL Thru-Hull Fitting for 3/4" NPS Pipe (THXL-750-W) by Groco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Extra long NPSM/NPTcombination threadC83600 Bronze$37.43
Are you an avid boater looking for hardware that is a cut above the rest? Then Groco is the only name you need to know. The company was born in Baltimore in 1918, the time of the industrial boom when marine and automotive industries were growing extremely fast. The company’s founder, Angus Roy Gross, Sr., had a keen eye on innovation. He had many patents, the most distinctive of which were an ice shaver, combination lever, blow torch, and much more. However, in the late 1920s, Groco decided to focus on the marine industry. Now the company is recognized for its superior-quality water pumps, valves, fittings, hull scoops, raw water strainers, water pressure systems, and many other related marine products.
At Groco, they have always been committed to staying on the cutting edge of product development. From manual machining equipment many years ago to state-of-the-art CNC machining technology, Groco is constantly growing and improving to ensure ultimate customer satisfaction. Featuring a solid construction, Groco marine parts are proven to deliver outstanding performance and reliability. They will keep your vessel operating at its peak, improving your boating experience. Groco uses the finest materials while making their underwater hardware to guarantee it will hold up to the most demanding marine conditions. Whether you opt for stainless steel fittings or an aluminum hull scoop, rest assured you will make your engine room or hull look at its best for years to come.
Groco’s tradition of creating innovative designs is the main factor that distinguishes the company from the competition and allows it to take its place among marine industry leaders. Although the company has gained worldwide popularity for its pumps and hardware, it offers products that feature far more sophisticated designs. Tired of those clogged strainers in hard-to-reach places? Groco has you covered with top-notch strainers that can clean themselves on specific intervals. And how about a waste treatment system that will allow you to discharge waste legally in almost any place you are? Don’t want to go to the engine room to open or close seacocks? Get Groco E-Valve to access seacocks with a push of a button. It will allow you to have full control of all your valves, exercise all valves, view valve status immediately, and much more. Rely on Groco to make your time on the water safer and more comfortable!
New Arrivals
New Arrivals - Updated September 14, 2022
