-28% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Apollo Apollo Sea-Flange Valve 1-1/2" #78-116-01F $322.79 $443.17
Apollo 78-116-01F SeacocksApollo Sea-Flange Valve 1-1/2" #78-116-01FNormalized SKU: 7811601FUPC Code: 670750709814
Sold out -20% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Apollo Apollo Sea Flange Valve 2" #78-120-01 $522.77 $652.48
Apollo 78-120-01 SeacocksApollo Sea Flange Valve 2" #78-120-01Normalized SKU: 7812001UPC Code: 670750710087
Sold out -22% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Apollo Apollo Sea-Flange Valve 1" #78-118-01 $207.75 $263.85
Apollo 78-118-01 SeacocksApollo Sea-Flange Valve 1" #78-118-01Normalized SKU: 7811801UPC Code: 670750710001
-29% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Apollo Apollo Sea-Flange Valve 1-1/4" #78-119-01 $232.45 $324.75
Apollo 78-119-01 SeacocksApollo Sea-Flange Valve 1-1/4" #78-119-01Normalized SKU: 7811901UPC Code: 670750710049
-29% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Apollo Apollo Sea-Flange Valve 3/4" #78-115-01F $146.18 $204.22
Apollo 78-115-01F SeacocksApollo Sea-Flange Valve 3/4" #78-115-01FNormalized SKU: 7811501FUPC Code: 670750709661
-29% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Buck Algonquin Buck Algonquin 2" Full-Flow Seacock #00ASC200LP $239.86 $335.11
Buck Algonquin 00ASC200LP Seacocks 2 in. Full-Flow Seacock 2 in. N.P.T. Bronze body Hard chrome bronze ball Vinyl coated stainless steel handle Drain plug Grounding screw Normalized SKU: 00ASC200LPUPC Code: 616316642928
-28% sale
Buck Algonquin Qualifies for Free Shipping Buck Algonquin 2-1/2 Buck Algonquin Qualifies for Free Shipping Buck Algonquin 2-1/2
00
DAYS
00
HRS
00
MIN
00
SEC
Buck Algonquin Buck Algonquin 2-1/2" Full-Flow Seacock #00ASC250LP $596.25 $818.61
Buck Algonquin 00ASC250LP Seacocks 2-1/2 in. Full-Flow Seacock 2-1/2" NPT Bronze body Hard chrome bronze ball Vinyl-coated stainless steel handle Drain plug Grounding screw Normalized SKU: 00ASC250LPUPC Code: 616316642935
-20% sale
GROCO Qualifies for Free Shipping GROCO Tri-Flange Seacock Kit 2-1/2
00
DAYS
00
HRS
00
MIN
00
SEC
GROCO GROCO Tri-Flange Seacock Kit 2-1/2" #FBV-2500 $393.41 $491.03
GROCO FBV-2500 Seacocks Groco FBV Bronze Full-Flow Tri-Flange SeacockPatented 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 location and eases operation of hard to actuate valves. Chrome plated solid brass ball (not a hollow ball). Stainless steel handle and hardware. PTFE seats and seals. Drain plug on both sides for efficient winterization. NOT TO BE USED IN POTABLE WATER SYSTEMS.Normalized SKU: FBV2500UPC Code: 742985144767
-29% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Buck Algonquin Buck Algonquin 1-1/2" Full-Flow Seacock #00ASC150LP $147.89 $206.63
Buck Algonquin 00ASC150LP Seacocks 1 1/2 in. Full-Flow Seacock 1 1/2" N.P.T. Bronze body Hard chrome bronze ball Vinyl coated stainless steel handle Drain plug Grounding screw Normalized SKU: 00ASC150LPUPC Code: 616316642911
-27% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Buck Algonquin Buck Algonquin 1" Full-Flow Seacock #00ASC100LP $91.99 $125.60
Buck Algonquin 00ASC100LP Seacocks 1 in. Full-Flow Seacock 1 in. N.P.T. Bronze body Hard chrome bronze ball Vinyl coated stainless steel handle Drain plug Grounding screw Normalized SKU: 00ASC100LPUPC Code: 616316642898
-25% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Buck Algonquin Buck Algonquin 3/4" Full-Flow Seacock #00ASC75LP $63.90 $84.35
Buck Algonquin 00ASC75LP Seacocks 3/4 in. Full-Flow Seacock 3/4 in. N.P.T. Bronze body Hard chrome bronze ball Vinyl coated stainless steel handle Drain plug Grounding screw Normalized SKU: 00ASC75LPUPC Code: 616316642744
-27% sale
00
DAYS
00
HRS
00
MIN
00
SEC
Buck Algonquin Buck Algonquin 1-1/4" Full-Flow Seacock #00ASC125LP $121.83 $166.36
Buck Algonquin 00ASC125LP Seacocks 1 1/4 in. Full-Flow Seacock 1 1/4" N.P.T. Bronze body Hard chrome bronze ball Vinyl coated stainless steel handle Drain plug Grounding screw Normalized SKU: 00ASC125LPUPC Code: 616316642904
-22% sale
GROCO Qualifies for Free Shipping GROCO 2
00
DAYS
00
HRS
00
MIN
00
SEC
GROCO GROCO 2" Tri-Flange Seacock #FBV-2000 $251.16 $318.99
GROCO FBV-2000 Seacocks2" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug The zerk can also be used for draining Field reversible handle allows you to select the closed position orientation (clockwise or counter-clockwise) 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 Full Flow Triangular base with bolt pattern to match most popular brands makes retrofit easy C83600 bronze construction Stainless steel handle and hardware Chrome plated solid brass ball PTFE Seats and Seals Bonding attachment on base Normalized SKU: FBV2000UPC Code: 742985141278
-20% sale
GROCO Qualifies for Free Shipping GROCO Backing Block Fits 2
00
DAYS
00
HRS
00
MIN
00
SEC
GROCO GROCO Backing Block Fits 2" & 2-1/2" Seacocks #BB-3 $84.58 $104.99
GROCO BB-3 SeacocksBacking Block for 2" & 2-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange Rigid 1/2" thickness provides secure installation but is flexible enough to conform to minor hull curvature Will not swell or absorb moisture Made from an environmentally friendly PVC foam specially formulated for marine applications Normalized SKU: BB3UPC Code: 742985170155
-17% sale
GROCO Qualifies for Free Shipping GROCO Backing Block Fits 1-1/4
00
DAYS
00
HRS
00
MIN
00
SEC
GROCO GROCO Backing Block Fits 1-1/4" & 1-1/2" Seacocks #BB-2 $75.00 $90.00
GROCO BB-2 SeacocksBacking Block for 1-1/4" & 1-1/2" SeacocksFeatures: Each size fits multiple seacock sizes Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange Rigid 1/2" thickness provides secure installation but is flexible enough to conform to minor hull curvature Will not swell or absorb moisture Made from an environmentally friendly PVC foam specially formulated for marine applications Normalized SKU: BB2UPC Code: 742985170148
-20% sale
Forespar Qualifies for Free Shipping Forespar Marelon 1.5
00
DAYS
00
HRS
00
MIN
00
SEC
Forespar Forespar Marelon 1.5" Seacock Full-Flow 1.5" Thru-Hull #904046ABYC $143.96 $178.47
Forespar 904046ABYC SeacocksMarelon Full-Flow Seacock & 1-1/2" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading for after market installations common when customers select individual parts from bins.Features: System Includes Full Flow Seacock With Integrated Hose Connector and Mushroom Thru Hull Exceeds ABYC. H-27 Standards - UL Approved For Use Above or Below Waterline Never Corrodes - Exclusive Polymer Formulation Includes Emergency Handle Cap Thru-Hull Plug Normalized SKU: 904046ABYCUPC Code: 028026193636
-20% sale
Forespar Qualifies for Free Shipping Forespar Marelon 1.25
00
DAYS
00
HRS
00
MIN
00
SEC
Forespar Forespar Marelon 1.25" Seacock Ful-Flow 1.25" Thru-Hull #904045ABYC $140.46 $174.37
Forespar 904045ABYC SeacocksMarelon Full-Flow Seacock & 1-1/4" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading for after market installations common when customers select individual parts from bins.Features: System Includes Full Flow Seacock With Integrated Hose Connector and Mushroom Thru Hull Exceeds ABYC. H-27 Standards - UL Approved For Use Above or Below Waterline Never Corrodes - Exclusive Polymer Formulation Includes Emergency Handle Cap Thru-Hull Plug Normalized SKU: 904045ABYCUPC Code: 028026193629
-20% sale
Forespar Qualifies for Free Shipping Forespar Marelon 1
00
DAYS
00
HRS
00
MIN
00
SEC
Forespar Forespar Marelon 1" Seacock Full-Flow 1" Thru-Hull #904044ABYC $115.67 $143.59
Forespar 904044ABYC SeacocksMarelon Full-Flow Seacock & 1" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading for after market installations common when customers select individual parts from bins.Features: System Includes Full Flow Seacock With Integrated Hose Connector and Mushroom Thru Hull Exceeds ABYC. H-27 Standards - UL Approved For Use Above or Below Waterline Never Corrodes - Exclusive Polymer Formulation Includes Emergency Handle Cap Thru-Hull Plug Normalized SKU: 904044ABYCUPC Code: 028026193612
-20% sale
Forespar Qualifies for Free Shipping Forespar Marelon 1/2
00
DAYS
00
HRS
00
MIN
00
SEC
Forespar Forespar Marelon 1/2" Seacock Full-Flow 1/2" Thru-Hull #904042ABYC $93.37 $115.90
Forespar 904042ABYC SeacocksMarelon Full-Flow Seacock & 1/2" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is designed to eliminate valve and thru-hull thread style mismatches and associated cross-threading for after market installations common when customers select individual parts from bins.Features: System Includes Full Flow Seacock With Integrated Hose Connector and Mushroom Thru Hull Exceeds ABYC. H-27 Standards - UL Approved For Use Above or Below Waterline Never Corrodes - Exclusive Polymer Formulation Includes Emergency Handle Cap Thru-Hull Plug Normalized SKU: 904042ABYCUPC Code: 028026193599
-22% sale
GROCO Qualifies for Free Shipping GROCO 1-1/2
00
DAYS
00
HRS
00
MIN
00
SEC
GROCO GROCO 1-1/2" Tri-Flange Seacock #FBV-1500 $156.03 $198.17
GROCO FBV-1500 Seacocks1-1/2" Bronze Tri-Flanged Ball Valve/SeacockFeatures: 1-1/4" sizes and larger include one grease zerk fitting for lubrication (use only with the valve in the open position), and one drain plug The zerk can also be used for draining Field reversible handle allows you to select the closed position orientation (clockwise or counter-clockwise) 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 Full Flow Triangular base with bolt pattern to match most popular brands makes retrofit easy C83600 bronze construction Stainless steel handle and hardware Chrome plated solid brass ball PTFE Seats and Seals Bonding attachment on base Normalized SKU: FBV1500UPC Code: 742985141261

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.