Thru-Hulls & Seacocks

NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-IBVF2000Manufacturer:GROCOManufacturer Part #:IBVF-2000UPC:742985143982Order In Multiples Of:1Pipe2" NPS to 2" NPT Variations34-IBVF2500Groco IBV-F B... More Details

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line v... More Details

NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-IBVF1250Manufacturer:GROCOManufacturer Part #:IBVF-1250UPC:742985143968Order In Multiples Of:1Pipe1-1/4" NPS to 1-1/4" NPT Variations34-IBVF2500Groco... More Details

Adapter eliminates dangerous thread mis-matches between thru-hulls and in-line valves and valve damage in OEM installations. Accepts a standard thru-hull fitting into the base and a standard in-line v... More Details

Includes locknut. Part #:34-HTHC750SManufacturer:GROCOManufacturer Part #:HTHC-750-SUPC:742985139282Order In Multiples Of:1Hose3/4" I.D.Pipe3/4" NPTFlange1.90" Variations34-HTHC1500SGroco HTHC-S #316 ... More Details

Includes locknut. Part #:34-HTHC2000SManufacturer:GROCOManufacturer Part #:HTHC-2000-SUPC:742985142138Order In Multiples Of:1Hose1-3/4" I.D.Pipe2" NPTFlange3.33" Variations34-HTHC1500SGroco HTHC-S #31... More Details

Includes locknut. Part #:34-HTHC1500SManufacturer:GROCOManufacturer Part #:HTHC-1500-SUPC:742985139312Order In Multiples Of:1Hose1-1/2" I.D.Pipe1-1/2" NPTFlange2.89" Variations34-HTHC1000SGroco HTHC-S... More Details

Includes locknut. Part #:34-HTHC1250SManufacturer:GROCOManufacturer Part #:HTHC-1250-SUPC:742985139305Order In Multiples Of:1Hose1-1/4" I.D.Pipe1-1/4" NPTFlange2.62" Variations34-HTHC1500SGroco HTHC-S... More Details

Includes locknut. Part #:34-HTHC1000SManufacturer:GROCOManufacturer Part #:HTHC-1000-SUPC:742985139299Order In Multiples Of:1Hose1" I.D.Pipe1" NPTFlange2.32" Variations34-HTHC1500SGroco HTHC-S #316 SS... More Details

Includes locknut. Part #:34-HTH750Manufacturer:GROCOManufacturer Part #:HTH-750UPC:742985005211Order In Multiples Of:1Flange1.9"Hose3/4"Length2.7"Pipe3/4" NPS Variations34-HTH625Groco HTH625 Bronze Ho... More Details

Includes locknut. Part #:34-HTH625Manufacturer:GROCOManufacturer Part #:HTH-625UPC:742985062269Order In Multiples Of:1Flange1.9"Hose5/8"Length2.7"Pipe3/4" NPS Variations34-HTH1000Groco HTH1000 Bronze ... More Details

Includes locknut. Part #:34-HTH500Manufacturer:GROCOManufacturer Part #:HTH-500UPC:742985004900Order In Multiples Of:1Flange1.7"Hose1/2"Length2.7"Pipe1/2" NPS Variations34-HTH625Groco HTH625 Bronze Ho... More Details

Includes locknut. Part #:34-HTH2000Manufacturer:GROCOManufacturer Part #:HTH-2000UPC:742985097421Order In Multiples Of:1Flange3.3"Hose2"Length2.8"Pipe2" NPS Variations34-HTH625Groco HTH625 Bronze Hose... More Details

Includes locknut. Part #:34-HTH1500Manufacturer:GROCOManufacturer Part #:HTH-1500UPC:742985005242Order In Multiples Of:1Flange2.9"Hose1 1/2"Length2.8"Pipe1 1/2" NPS Variations34-HTH625Groco HTH625 Bro... More Details

Includes locknut. Part #:34-HTH1250Manufacturer:GROCOManufacturer Part #:HTH-1250UPC:742985005235Order In Multiples Of:1Flange2.6"Hose1 1/4"Length2.8"Pipe1 1/4" NPS Variations34-HTH625Groco HTH625 Bro... More Details

Includes locknut. Part #:34-HTH1125Manufacturer:GROCOManufacturer Part #:HTH-1125UPC:742985103979Order In Multiples Of:1Flange2.3"Hose1 1/8"Length2.8"Pipe1" NPS Variations34-HTH625Groco HTH625 Bronze ... More Details

Includes locknut. Part #:34-HTH1000Manufacturer:GROCOManufacturer Part #:HTH-1000UPC:742985005228Order In Multiples Of:1Flange2.3"Hose1"Length2.8"Pipe1" NPS Variations34-HTH625Groco HTH625 Bronze Hose... More Details

Includes locknut. Stainless Steel. Part #:34-HTH750SManufacturer:GROCOManufacturer Part #:HTH-750-SUPC:742985138988Order In Multiples Of:1Hose3/4"Pipe3/4" NPSFlange1.90" dia.Length2.71" Variations34-H... More Details

Includes locknut. Stainless Steel. Part #:34-HTH625SManufacturer:GROCOManufacturer Part #:HTH-625-SUPC:742985138971Order In Multiples Of:1Hose5/8"Pipe5/8" NPSFlange1.90" dia.Length2.68" Variations34-H... More Details

Includes locknut. Stainless Steel. Part #:34-HTH500SManufacturer:GROCOManufacturer Part #:HTH-500-SUPC:742985142121Order In Multiples Of:1Hose1/2"Pipe1/2" NPSFlange1.70" dia.Length2.68" Variations34-H... More Details

Includes locknut. Stainless Steel. Part #:34-HTH2000SManufacturer:GROCOManufacturer Part #:HTH-2000-SUPC:742985139022Order In Multiples Of:1Hose2"Pipe2" NPSFlange3.33" dia.Length2.80" Variations34-HTH... More Details

Includes locknut. Stainless Steel. Part #:34-HTH1500SManufacturer:GROCOManufacturer Part #:HTH-1500-SUPC:742985139015Order In Multiples Of:1Hose1-1/2"Pipe1-1/2" NPSFlange2.89" dia.Length2.79" Variatio... More Details

Includes locknut. Stainless Steel. Part #:34-HTH1250SManufacturer:GROCOManufacturer Part #:HTH-1250-SUPC:742985139008Order In Multiples Of:1Hose1-1/4"Pipe1-1/4" NPSFlange2.62" dia.Length2.75" Variatio... More Details

Includes locknut. Stainless Steel. Part #:34-HTH1125SManufacturer:GROCOManufacturer Part #:HTH-1125-SUPC:742985138995Order In Multiples Of:1Hose1-1/8"Pipe1-1/8" NPSFlange2.32" dia.Length2.75" Variatio... More Details

Includes locknut. Stainless Steel. Part #:34-HTH1000SManufacturer:GROCOManufacturer Part #:HTH-1000-SUPC:742985139039Order In Multiples Of:1Hose1"Pipe1" NPSFlange2.3" dia.Length2.81" Variations34-HTH1... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-HSTH750WManufacturer:GROCOManufacturer Part #:HSTH-750-WUPC:742985141728O... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-HSTH2000WManufacturer:GROCOManufacturer Part #:HSTH-2000-WUPC:74298514290... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-HSTH1000WManufacturer:GROCOManufacturer Part #:HSTH-1000-WUPC:74298514311... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-HSTH1250WManufacturer:GROCOManufacturer Part #:HSTH-1250-WUPC:74298514312... More Details

Provides low pressure, low profile flow into plumbing system. Includes nut. NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-HSTH1500WManufacturer:GROCOManufacturer Part #:HSTH-1500-WUPC:74298514325... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-FTH750WManufacturer:GROCOManufacturer Part #:FTH-750-WUPC:742985002609Order In Multiples Of:1Pipe3/4"Length2.31" Variations3... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-FTH1500WManufacturer:GROCOManufacturer Part #:FTH-1500-WUPC:742985003606Order In Multiples Of:1Pipe1-1/2"Length3.50" Variati... More Details

Includes locknut. Bronze.NOT TO BE USED IN POTABLE WATER SYSTEMS. Part #:34-FTH1000WManufacturer:GROCOManufacturer Part #:FTH-1000-WUPC:742985002678Order In Multiples Of:1Pipe1"Length2.56" Variations3... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Patented field reversible handle allows you to select the closed position orientation (Clockwise or Counterclockwise) that best suits the installation. Handle has square hole to accept standard ratche... More Details

Service Repair kit contains sight glass gaskets, cap o-ring, and valve driver seals Part #:34-BVS2Manufacturer:GROCOManufacturer Part #:BVS-2UPC:742985106444Order In Multiples Of:1FitsBVS-1000 and BVS... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

For most air conditioning, refrigeration, generator and small main engine raw water supply. Combines raw water strainer with full flow seacock to simplify installation and maintenance. Features bronze... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Features patented field-selectable and changeable direction of rotation-permits installation in otherwise unusable locations. Tri-flange base and mount hole pattern provide easy retrofit when replacin... More Details

Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull. Each size fits multiple seacock sizesPress threaded inserts into the hull side of the ba... More Details

Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull. Each size fits multiple seacock sizesPress threaded inserts into the hull side of the ba... More Details

Flanged seacock installation is improved with the use of a backing block between the valve flange and the hull. Each size fits multiple seacock sizesPress threaded inserts into the hull side of the ba... More Details

Access to the thru-hull fitting and seacock beneath the hull strainer is made easy with the patented access door design. No need to remove the entire strainer to clear debris or marine growth. Uses #1... More Details

Access to the thru-hull fitting and seacock beneath the hull strainer is made easy with the patented access door design. No need to remove the entire strainer to clear debris or marine growth. Uses #1... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut. Part #:34-ARG753Manufacturer:GROCOManufacturer Part #:ARG-753UPC:742985066762Order I... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut. Part #:34-ARG503Manufacturer:GROCOManufacturer Part #:ARG-503UPC:742985066755Order I... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut. Part #:34-ARG1503Manufacturer:GROCOManufacturer Part #:ARG-1503UPC:742985066717Order... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut. Part #:34-ARG1253Manufacturer:GROCOManufacturer Part #:ARG-1253UPC:742985066700Order... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

For the ARG series strainers. Maximum psi is 50. Maximum temperature is 225° F. Sight glass includes drain wingnut. Part #:34-ARG1003Manufacturer:GROCOManufacturer Part #:ARG-1003UPC:742985066694Order... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

PC non-meatallic strainer cap. Part #:34-ARG501PCManufacturer:GROCOManufacturer Part #:ARG-501-PCUPC:742985142572Order In Multiples Of:1Size1/2" Variations34-ARG1001PCGroco ARG Strainer Cap, 1"34-ARG1... More Details

PC non-meatallic strainer cap. Part #:34-ARG1001PCManufacturer:GROCOManufacturer Part #:ARG-1001-PCUPC:742985142589Order In Multiples Of:1Size1" Variations34-ARG1501PCGroco ARG Strainer Cap, 1-1/2"34-... More Details

PC non-meatallic strainer cap. Part #:34-ARG1501PCManufacturer:GROCOManufacturer Part #:ARG-1501-PCUPC:742985142596Order In Multiples Of:1Size1-1/2" Variations34-ARG1001PCGroco ARG Strainer Cap, 1"34-... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

Standard single strainers. No tie rods or leaks under pressure or vacuum. Quick and easy mounting system allowing removal of strainer without tools. #304 Stainless steel filter basket. O-ring seals at... More Details

The patented door provides access to the thru-hull fitting and seacock inlet beneath APHS hull strainers. There is no need to remove the entire strainer to clear nuisance marine growth. C84400 Bronze ... More Details

The patented door provides access to the thru-hull fitting and seacock inlet beneath APHS hull strainers. There is no need to remove the entire strainer to clear nuisance marine growth. C84400 Bronze ... More Details

30-second cleaning cycle is automatically performed at user-selected intervalsOptional interface with SSA system ( initiates cleaning cycle when flow is reduced, independent of the pre-set cleaning in... More Details

Consists of a Marelon head and a polycarbonate bucket with a stainless steel screen. The screw on clear bucket has a replaceable gasket for a positive seal and ease of cleaning. The T-Stainer allows l... More Details

Molded from lightweight, high-strength glass-reinforced Marelon™ composite, these flanged seacocks don't corrode, and are highly resistant to UV degradation and abrasion. Their NPS parallel threads ca... More Details

Molded from lightweight, high-strength glass-reinforced Marelon™ composite, these flanged seacocks don't corrode, and are highly resistant to UV degradation and abrasion. Their NPS parallel threads ca... More Details

Molded from lightweight, high-strength glass-reinforced Marelon™ composite, these flanged seacocks don't corrode, and are highly resistant to UV degradation and abrasion. Their NPS parallel threads ca... More Details

Made of Marelon® and features an integral mounting bracket and clear polycarbonate lid for ready inspection. The stainless steel strainer basket can be easily removed for cleaning. Flow rate is 40 GPM... More Details

High-strength, high speed, made of glass-reinforced non-corrosive Marelon®. Two piece construction allows for greater ease in installation. Part #:108-906060Manufacturer:FORESPARManufacturer Part #:90... More Details

High-strength, high speed, made of glass-reinforced non-corrosive Marelon®. Two piece construction allows for greater ease in installation. Part #:108-906059Manufacturer:FORESPARManufacturer Part #:90... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. Part #:108... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. Part #:108... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. Part #:108... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. Part #:108... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. Part #:108... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. Part #:108... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. 250S Model... More Details

Made from high strength glass-reinforced Marelon. Ideal for use above or below the waterline. Must be installed with proper bedding compound. Recommend a maximum torque setting of 20 lb/ft. 250S Model... More Details