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Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-1500 - 34-Pthd1500F1

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-1250 - 34-Pthd1250F1

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthd Bronze Standard Flow, 45 Degree, Pipe-To-Hose Adapter With Npt Thread - Pthd-1000 - 34-Pthd1000F1

Bronze, 45°, standard flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-750 - 34-Pthc750F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-5062 - 34-Pthc5062F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-3000 - 34-Pthc3000F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-2500 - 34-Pthc2500F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-2000 - 34-Pthc2000F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1500 - 34-Pthc1500F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1250 - 34-Pthc1250F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1125 - 34-Pthc1125F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pthc Bronze Standard Flow 90° Pipe-To-Hose Adapter With Npt Thread - Pthc-1000 - 34-Pthc1000F1

Standard Flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-750 - 34-Pth750F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-5062 - 34-Pth5062F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-500 - 34-Pth500F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-4000 - 34-Pth4000F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-3000 - 34-Pth3000F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-2500 - 34-Pth2500F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-2000 - 34-Pth2000F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1500 - 34-Pth1500F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1250 - 34-Pth1250F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1125 - 34-Pth1125F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pth Bronze Standard Flow Pipe-To-Hose Adapter With Npt Thread - Pth-1000 - 34-Pth1000F1

Cast bronze. Straight, standard flow. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pst-2 Pressure Storage Tank - Pst2 - 34-Pst2F1

A pneumatic pressure charge, matched to the pump cut-on pressure prevents waterlogging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure delivery, even temperature mix in showers, and reduced pump cycling. Mounts in any position and anywhere in the cold water plumbing after the pump. May be used for fresh or salt water. Operating pressure up to 100 psi. Mounting hardware included.

Groco Pst-1 Pressure Storage Tank - Pst-1 - 34-Pst1F1

A pneumatic pressure charge, matched to the pump cut-on pressure prevents waterlogging by separating the air charge from system water pressure with a rubber bladder. The result is smooth pressure delivery, even temperature mix in showers, and reduced pump cycling. Mounts in any position and anywhere in the cold water plumbing after the pump. May be used for fresh or salt water. Operating pressure up to 100 psi. Mounting hardware included.

GROCO Pressure Storage Tank w/Pump Stand - 1.7 Gallon Drawdown

GROCO Pressure Storage Tank - 6.2 Gallon Drawdown

GROCO Pressure Storage Tank - 4.3 Gallon Drawdown

GROCO Pressure Storage Tank - 3.2 Gallon Drawdown

GROCO Pressure Storage Tank - 1.4 Gallon Drawdown

GROCO Pressure Storage Tank - 0.5 Gallon Drawdown

Groco Polyethylene Filter Basket For Arg Strainer - Bp-7 - 34-Bp7F1

Spare Basket

Groco Polyethylene Filter Basket For Arg Strainer - Bp-3 - 34-Bp3F1

Spare Basket

Groco Polyethylene Filter Basket For Arg Strainer - Bp-15 - 34-Bp15F1

Spare Basket

Groco Polyethylene Filter Basket - Bp-8 - 34-Bp8F1

Spare Basket

Groco Polyethylene Filter Basket - Bp-5 - 34-Bp5F1

Spare Basket

Groco Polyethylene Filter Basket - Bp-4 - 34-Bp4F1

Spare Basket

Groco Polyethylene Filter Basket - Bp-2 - 34-Bp2F1

Spare Basket

Groco Polyethylene Filter Basket - Bp-11 - 34-Bp11F1

Spare Basket

Groco Polyethylene Filter Basket - Bp-1 - 34-Bp1F1

Spare Basket

Groco Polyethylene Filter Basket - 34-Bp6 - 34-Bp6F1

Spare Basket

Groco Pnc Bronze Check Valve - Pnc-750 - 34-Pnc750F1

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

Groco Pnc Bronze Check Valve - Pnc-500 - 34-Pnc500F1

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

Groco Pnc Bronze Check Valve - Pnc-2000 - 34-Pnc2000F1

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

Groco Pnc Bronze Check Valve - Pnc-1500 - 34-Pnc1500F1

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

Groco Pnc Bronze Check Valve - Pnc-1250 - 34-Pnc1250F1

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

Groco Pnc Bronze Check Valve - Pnc-1000 - 34-Pnc1000F1

Unique cast bronze pipe nipples feature an efficient internal check valve which imposes almost zero flow restriction and requires less than 1/2 PSI to open. Colored bands indicate flow direction (green to red).NOT TO BE USED WITH DIESEL FUEL, GASOLINE, OR IN POTABLE WATER SYSTEMS.

Groco Pn750 Bronze Pipe Nipple, 3/4" Npt - Pn-750 - 34-Pn750F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pn500 Bronze Pipe Nipple, 1/2" Npt - Pn-500 - 34-Pn500F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pn2500 Bronze Pipe Nipple, 2-1/2" Npt - Pn2500 - 34-Pn2500F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pn2000 Bronze Pipe Nipple, 2" Npt - Pn-2000 - 34-Pn2000F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pn1500 Bronze Pipe Nipple, 1-1/2" Npt - Pn-1500 - 34-Pn1500F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pn1250 Bronze Pipe Nipple, 1-1/4" Npt - Pn-1250 - 34-Pn1250F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Pn1000 Bronze Pipe Nipple, 1" Npt - Pn-1000 - 34-Pn1000F1

PN Series cast bronze pipe nipples provide exact alloy compatibility for making inter-connections between numerous marine components such as seacocks, strainers and check valves. Cast-in wrench flat simplifies installation and removal. Full flow.NOT TO BE USED IN POTABLE WATER SYSTEMS.

GROCO Perforated Hull Strainer w/Access Door 3" Max Thru-Hull

GROCO Perforated Hull Strainer w/Access Door 2" Max Thru-Hull

GROCO Perforated Hull Strainer w/Access Door 1-1/4" Max Thru-Hull

GROCO Paragon Senior Water Pressure System - 230VAC

GROCO Paragon Senior Water Pressure System - 115VAC

GROCO Paragon Senior 24V Water Pressure System

GROCO Paragon Senior 12V Water Pressure System

GROCO Paragon Junior 24v Water Pressure System - 2 Gal Tank - 7 GPM

GROCO Paragon Junior 24v Water Pressure System - 1 Gal Tank - 7 GPM

GROCO Paragon Junior 12v Water Pressure System - 2 Gal Tank - 7 GPM

GROCO Paragon Junior 12v Water Pressure System - 1 Gal Tank - 7 GPM

GROCO Non-Metallic Strainer Cap Fits ARG-500 & ARG-750

GROCO Non-Metallic Strainer Cap Fits ARG-1500 & Larger

GROCO Non-Metallic Strainer Cap Fits ARG-1000 & ARG-1250

GROCO LCD-5 Monitor Full Color 5" Touchscreen

GROCO K Series Hand Operated Marine Toilet

GROCO K Series Electric Marine Toilet - 24V

GROCO K Series Electric Marine Toilet - 12V

Groco K Regular Toilet Service Kit - K Regular - 34-Kf1

For the discontinued K toilet. Contains bowl gasket, gasket and spring assemblies, check ball, gaskets, seals and joker valve.

Groco Ibv750 Bronze Full-Flow In-Line Ball Valve - Ibv-750 - 34-Ibv750F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv500S In-Line Check Value, Ss, 1/2" - Ibv-500-S - 34-Ibv500Sf1

Groco Ibv500 Bronze Full-Flow In-Line Ball Valve - Ibv-500 - 34-Ibv500F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv4000 Bronze Full-Flow In-Line Ball Valve - Ibv-4000 - 34-Ibv4000F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv375 Bronze Full-Flow In-Line Ball Valve - Ibv-375 - 34-Ibv375F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv3000 Bronze Full-Flow In-Line Ball Valve - Ibv-3000 - 34-Ibv3000F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv2500 Bronze Full-Flow In-Line Ball Valve - Ibv-2500 - 34-Ibv2500F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv250 Bronze Full-Flow In-Line Ball Valve - Ibv-250 - 34-Ibv250F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv2000 Bronze Full-Flow In-Line Ball Valve - Ibv-2000 - 34-Ibv2000F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv1500 Bronze Full-Flow In-Line Ball Valve - Ibv-1500 - 34-Ibv1500F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv1250 Bronze Full-Flow In-Line Ball Valve - Ibv-1250 - 34-Ibv1250F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv1000 Bronze Full-Flow In-Line Ball Valve - Ibv-1000 - 34-Ibv1000F1

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 ratchet, to help reach valves in hard-to-reach locations and ease actuation of difficult to operate valves. 400 WOG rated. Stainless steel handle and hardware. Chrome plated solid brass ball (not a hollow ball). PTFE seats and seals. UL Listed for fuel or water. NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-750-S - 34-Ibv750Sf1

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-2000-S - 34-Ibv2000Sf1

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-1500-S - 34-Ibv1500Sf1

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-1250-S - 34-Ibv1250Sf1

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

Groco Ibv-S Stainless Steel Full-Flow In-Line Ball Valve - Ibv-1000-S - 34-Ibv1000Sf1

Handle has square hole to accept standard ratchet helps you to reach hard-to-reach valves and eases actuation of hard to operate valves. Handle has thumb-release locking mechanism to ensure that the valve remains in the open or closed position you have selected until you wish to change it. 1000 WOG rated. 304 stainless steel handle and trim. 316 stainless steel body. PTFE seats and seals. UL Listed for fuel or water.

Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-750 - 34-Ibvf750F1

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 valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-2500 - 34-Ibvf2500F1

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 valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.

Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-2000 - 34-Ibvf2000F1

NOT TO BE USED IN POTABLE WATER SYSTEMS.

Groco Ibv-F Bronze Flanged Adaptor For In-Line Ball Valve To Thru-Hull - Ibvf-1500 - 34-Ibvf1500F1

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 valve (or other tapered thread component) on top. Also provides a safe, sturdy assembly when in-line valves are used as seacocks.