1-1/2" Ball Valve/Seacock & Raw Water Strainer ComboFeatures:Square hole in handle accepts standard ratchet1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plugThe zerk can also be used for drainingSpace saving design with strainer and integral seacockJust one component to install and just one bilge location to access for winterization and maintenanceNo inside tie rodsC84400 bronze constructionFull flow ball

Bronze 17 GPM Centrifugal/Baitwell PumpFeatures:17 GPM flow is ideal for baitwell circulation or any onboard pumping job that needs high GPM flow but relatively low pressureInlet is threaded 3/4" NPTDischarge is threaded 1/2” NPT insideGarden hose adaptor is includedMotor is "Ignition Protected" and has a #316SS shaftContinuous duty mechanical shaft sealCP-30 is identical to CP-20 except that it offers externally replaceable motor brushes

1/2" Bronze In-Line Check ValveFeatures:C83600 cast bronze constructionNPT threaded ports1/2" - 2" sizesSuitable for use with diesel fuel or gasoline

3/4" Bronze In-Line Check ValveFeatures:C83600 cast bronze constructionNPT threaded ports1/2" - 2" sizesSuitable for use with diesel fuel or gasoline

1" Bronze In-Line Check ValveFeatures:C83600 cast bronze constructionNPT threaded ports1/2" - 2" sizesSuitable for use with diesel fuel or gasoline

1/4" NPT Bronze Inline Fuel ValveFeatures:Selectable handle rotationFull flowMount foot includedC83600 bronze constructionStainless steel handle and hardware400 WOGPTFE seats and sealsUL listed for fuel or water

3/8" NPT Bronze Inline Fuel ValveFeatures:Selectable handle rotationFull flowMount foot includedC83600 bronze constructionStainless steel handle and hardware400 WOGPTFE seats and sealsUL listed for fuel or water

1/2" NPT Bronze Inline Fuel ValveFeatures:Selectable handle rotationFull flowMount foot includedC83600 bronze constructionStainless steel handle and hardware400 WOGPTFE seats and sealsUL listed for fuel or water

3/4" NPT Bronze Inline Fuel ValveFeatures:Selectable handle rotationFull flowMount foot includedC83600 bronze constructionStainless steel handle and hardware400 WOGPTFE seats and sealsUL listed for fuel or water

1/2" NPT 90° Bronze Fuel ValveFeatures:Compact design90° flow path1/2" NPT male and female portsUse FV-590 (Brass) for fiberglass tanksUse FV-590-S (316SS) with aluminum or stainless steel tanks

1/2" NPT 90° Stainless Steel Fuel ValveFeatures:Compact design90° flow path1/2" NPT male and female portsUse FV-590 (Brass) for fiberglass tanksUse FV-590-S (316SS) with aluminum or stainless steel tanks

1/2" 4-Port Tank Selector ValveFeatures:For fuel or waterFour Positions: Tank-1, Tank-2, Tanks 1 & 2, OffFull 1/2” flowAudible “click” at each handle positionFor thru panel mountingC83600 bronze constructionAvailable separately or as part of TS-350-T Kit

1/2" 5-Port Tank Selector ValveFeatures:For fuel or waterBottom port is common Select between four outletsFull 1/2” flowAudible “click” at each handle positionFor thru panel mountingC83600 bronze construction

6-Port NPT Bronze Fuel Valve 1/2" Main - 3/8" ReturnFeatures:"L" Flow PatternMount feet includedC84400 bronze constructionBoth 1/2" main 3/8" return and 1" main 3/4" return options available

Heavy Duty Positive Displacement Vane Pump - 12VGROCO Vane Pumps are self-priming and are capable of operation in either direction. Relatively high flow (more than gear pumps) makes them suitable for general purpose duties such as deck-wash, bilge pumping (filtered inlet),  fuel transfer, ballast transfer, and oil change.  All models have an ignition protected motor and #316 stainless steel shaft.Specifications:Self Priming: YESThread NPT: 1/2" + Garden Hose AdaptorControl Type: NoneMa

Heavy Duty Positive Displacement Vane Pump - 24V GROCO Vane Pumps are self-priming and are capable of operation in either direction. Relatively high flow (more than gear pumps) makes them suitable for general purpose duties such as deck-wash, bilge pumping (filtered inlet),  fuel transfer, ballast transfer, and oil change.  All models have an ignition protected motor and #316 stainless steel shaft.Specifications:Self Priming: YESThread NPT: 1/2" + Garden Hose AdaptorControl Type:

Heavy Duty Positive Displacement Reversing Vane Pump - 12VGROCO 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 general purpose duties such as deck-wash, bilge pumping (filtered inlet),  fuel transfer, ballast transfer, and oil change.  All models have an ignition protected motor and #316 stainless steel shaft.Specifications:Self Priming: YESThread NPT: 1/2" + Ga

Heavy Duty Positive Displacement Touch Pad Reversing Vane Pump - 12V 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 general purpose duties such as deck-wash, bilge pumping (filtered inlet),  fuel transfer, ballast transfer, and oil change.  Ignition protected motor, #316 stainless steel shaft, and touchpad (RT) control.Specifications:Self Primin

1/2" Bronze Combo Scoop Thru-Hull w/NutFeatures:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1/2"

3/4" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 3/4"

1" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1"

1-1/4" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1-1/4"

1-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 1-1/2"

2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 2"

2-1/2" Bronze Combo Scoop Thru-Hull w/Nut Features:Designed for increased flow compared to standard Thru HullsNPSM / NPT combination threadC83600 BronzeSpecifications:Thread NPS: 2-1/2"

SWEETANK Odor Neutralization System - 12V THE CONCEPTThe SWEETTANK concept has been developed to stop odors in yacht and RV holding tanks without the use of chemicals or filters. SWEETTANK is standard equipment on THERMOPURE-2 Type-I MSD, in GROCO Type-III MSD,  and is offered in several retrofit kits to fit existing holding tanks.HOW IT WORKSAerobic and anaerobic bacteria coexist naturally in raw sewage, but it is the anaerobic bacteria that produce undesirable odors. By inducing a co

SWEETANK Odor Neutralization System - 24VTHE CONCEPTThe SWEETTANK concept has been developed to stop odors in yacht and RV holding tanks without the use of chemicals or filters. SWEETTANK is standard equipment on THERMOPURE-2 Type-I MSD, in GROCO Type-III MSD,  and is offered in several retrofit kits to fit existing holding tanks.HOW IT WORKSAerobic and anaerobic bacteria coexist naturally in raw sewage, but it is the anaerobic bacteria that produce undesirable odors. By inducing a constant

SWEETANK Odor Neutralization System - 115VACTHE CONCEPTThe SWEETTANK concept has been developed to stop odors in yacht and RV holding tanks without the use of chemicals or filters. SWEETTANK is standard equipment on THERMOPURE-2 Type-I MSD, in GROCO Type-III MSD,  and is offered in several retrofit kits to fit existing holding tanks.HOW IT WORKSAerobic and anaerobic bacteria coexist naturally in raw sewage, but it is the anaerobic bacteria that produce undesirable odors. By inducing a const

Spanner Wrench/Deck Plate Key Features:Cast bronze with stainless steel pins to fit 1/4" and 5/16" holes. Opens to service deck plates or strainer caps with key holes up to 7" apart. Hangs conveniently near the strainer(s) location.  C83600 bronze

Garboard Drain w/Plug The ConceptOnce your boat is in its cradle, sling, lift, or trailer, draining the bilge is easy with a garboard drain. All models install from the outside.  TD-500 allows draining from outside by removing the square-drive plug.

Garboard Drain w/Inside T-Handle Plug The ConceptBronze Garboard DrainOnce your boat is in its cradle, sling, lift, or trailer, draining the bilge is easy with a garboard drain. All models install from the outside.

Thru-Hull Installation Tool Thru Hull Installation ToolThe Concept:THT-530 makes the installation of standard GROCO thru-hull fittings possible by a single installer.  Slide the thru-hull fitting, flanged end first, over the tool.  (It will stop at the proper step.)  Tie a length of monofilament to the eye and place it into the already-cut hole in the hull of the boat.  Apply caulking to the flange of the fitting, and pull the fitting through the hole and against the hul

3/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze

1" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze

1-1/4" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze

1-1/2" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze

2" Bronze Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination threadC83600 Bronze

3/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel

1" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel

1-1/4" Stainless Steel Extra Long Thru-Hull Fitting w/Nut Features:Extra long NPSM / NPT combination thread#316 Stainless Steel