Seacocks & Valves

Essential marine seacocks and valves for safe water flow control throughout your vessel. Our bronze and stainless steel selection includes through-hull valves, ball valves, and seacocks designed to provide reliable shut-off capability and prevent water ingress in critical marine applications.

  • AG Tee Ball Valve PN40 3/4" BSP Female Ports 1-75220

    AG Tee Ball Valve PN40 3/4" BSP Female Ports 1-75220

    AG Tee Ball Valve PN40 3/4" BSP Female Ports 1-75220

    £15.73
    £15.73
  • AG Tee Ball Valve PN40 3/4" BSP Male to Female 1-75320

    AG Tee Ball Valve PN40 3/4" BSP Male to Female 1-75320

    AG Tee Ball Valve PN40 3/4" BSP Male to Female 1-75320

    £19.14
    £19.14
  • AG L Port Ball Valve LP 1" BSP 1-71813

    AG L Port Ball Valve LP 1" BSP 1-71813

    AG L Port Ball Valve LP 1" BSP 1-71813

    £131.23
    £131.23
  • AG Tee Ball Valve PN40 1" BSP Female Ports 1-75230

    AG Tee Ball Valve PN40 1" BSP Female Ports 1-75230

    AG Tee Ball Valve PN40 1" BSP Female Ports 1-75230

    £24.23
    £24.23

  • Ball valve, stainless steel (AISI 316), G1" BV1

    Ball valve, stainless steel (AISI 316), G1" BV1

    £41.80
    £41.80
  • AG DZR Brass Ball Valve 3/4" BSP 228/1 1-70902

    AG DZR Brass Ball Valve 3/4" BSP 228/1 1-70902

    AG DZR Brass Ball Valve 3/4" BSP 228/1 1-70902

    £37.26
    £37.26
  • DZR BRASS BALL VALVE 1 1/4inBSP 228/1 1-70904

    DZR BRASS BALL VALVE 1 1/4inBSP 228/1 1-70904

    DZR BRASS BALL VALVE 1 1/4inBSP 228/1 1-70904

    £81.90
    £81.90

  • Ball valve, stainless steel (AISI 316), G1¼" BV11/4

    Ball valve, stainless steel (AISI 316), G1¼" BV11/4

    £66.00
    £66.00
  • Maestrini DZR CR Ball Valve (1-1/2" BSP Female) 405707

    Maestrini DZR CR Ball Valve (1-1/2" BSP Female) 405707

    Maestrini DZR CR Ball Valve (1-1/2" BSP Female) 405707

    £83.76
    £83.76
  • AG Lever Ball Valve PN25 2" BSP Female Ports 1-75060

    AG Lever Ball Valve PN25 2" BSP Female Ports 1-75060

    AG Lever Ball Valve PN25 2" BSP Female Ports 1-75060

    £83.52
    £83.52

  • Maestrini Brass Skin Fitting (Domed, 3/8" BSP, 58mm Long) 403002

    Maestrini Brass Skin Fitting (Domed, 3/8" BSP, 58mm Long) 403002

    £13.67
    £13.67

  • Thru-hull, brass, G⅜" DOORB3/8

    Thru-hull, brass, G⅜" DOORB3/8

    £13.96
    £13.96

  • Maestrini Chrome Skin Fitting (Domed, 1/2" BSP, 63.5mm Long) 403443

    Maestrini Chrome Skin Fitting (Domed, 1/2" BSP, 63.5mm Long) 403443

    £15.92
    £15.92
  • Maestrini Brass Skin Fitting (Flat, 1/2" BSP, 62mm Long) 403023

    Maestrini Brass Skin Fitting (Flat, 1/2" BSP, 62mm Long) 403023

    Maestrini Brass Skin Fitting (Flat, 1/2" BSP, 62mm Long) 403023

    £11.92
    £11.92
  • Maestrini Brass Skin Fitting (Domed, 3/4" BSP, 72mm Long)

    Maestrini Brass Skin Fitting (Domed, 3/4" BSP, 72mm Long)

    Maestrini Brass Skin Fitting (Domed, 3/4" BSP, 72mm Long)

    £18.07
    £18.07
  • Maestrini Chrome Brass Skin Fitting (Domed, 1" BSP, 77mm Long) 403445

    Maestrini Chrome Brass Skin Fitting (Domed, 1" BSP, 77mm Long) 403445

    Maestrini Chrome Brass Skin Fitting (Domed, 1" BSP, 77mm Long) 403445

    £27.95
    £27.95
  • Maestrini Brass Skin Fitting (Domed, 1" BSP, 77mm Long)403005

    Maestrini Brass Skin Fitting (Domed, 1" BSP, 77mm Long)403005

    Maestrini Brass Skin Fitting (Domed, 1" BSP, 77mm Long)403005

    £23.88
    £23.88
  • Maestrini Chrome Skin Fitting (Domed, 1-1/4" BSP, 83mm Long) 403446

    Maestrini Chrome Skin Fitting (Domed, 1-1/4" BSP, 83mm Long) 403446

    Maestrini Chrome Skin Fitting (Domed, 1-1/4" BSP, 83mm Long) 403446

    £37.20
    £37.20
  • Maestrini Brass Skin Fitting (Inclined, 1-1/4" BSP, 83mm Long) 403056

    Maestrini Brass Skin Fitting (Inclined, 1-1/4" BSP, 83mm Long) 403056

    Maestrini Brass Skin Fitting (Inclined, 1-1/4" BSP, 83mm Long) 403056

    £31.80
    £31.80
  • Maestrini Chrome Skin Fitting (Domed, 1-1/2" BSP, 84.5mm Long) 403447

    Maestrini Chrome Skin Fitting (Domed, 1-1/2" BSP, 84.5mm Long) 403447

    Maestrini Chrome Skin Fitting (Domed, 1-1/2" BSP, 84.5mm Long) 403447

    £45.14
    £45.14

  • Thru-hull, stainless steel, chamfered flange, machined finish, G1¼" THRU11/4S

    Thru-hull, stainless steel, chamfered flange, machined finish, G1¼" THRU11/4S

    £55.50
    £55.50
  • Surejust Pressure Relief Valve 1/2" 4 Bar SJ-PRV4

    Surejust Pressure Relief Valve 1/2" 4 Bar SJ-PRV4

    Surejust Pressure Relief Valve 1/2" 4 Bar SJ-PRV4

    £20.17
    £20.17

  • Water Scoop Brass, G3/4" WCAP3/4

    Water Scoop Brass, G3/4" WCAP3/4

    £38.40
    £38.40
  • SPRING CHECK VALVE 3/8inBSP 1-71400

    SPRING CHECK VALVE 3/8inBSP 1-71400

    SPRING CHECK VALVE 3/8inBSP 1-71400

    £9.04
    £9.04
  • AG Spring Check Valve 1/2" BSP Female 1-71401

    AG Spring Check Valve 1/2" BSP Female 1-71401

    AG Spring Check Valve 1/2" BSP Female 1-71401

    £10.33
    £10.33

  • Maestrini Bronze Skin Fitting (Inclined, 1-1/4" BSP, 83.5mm Long) 403106

    Maestrini Bronze Skin Fitting (Inclined, 1-1/4" BSP, 83.5mm Long) 403106

    £47.58
    £47.58

  • Maestrini Bronze Skin Fitting (Inclined, 1-1/2" BSP, 100mm Long) 403107

    Maestrini Bronze Skin Fitting (Inclined, 1-1/2" BSP, 100mm Long) 403107

    £59.47
    £59.47

  • Maestrini Bronze Skin Fitting (Domed, 1" BSP, 89mm Long) 403125

    Maestrini Bronze Skin Fitting (Domed, 1" BSP, 89mm Long) 403125

    £38.95
    £38.95
  • Hepworth HX37 Hep2o 15mm Shut Off Valve Cold or Hot White HX37C/15

    Hepworth HX37 Hep2o 15mm Shut Off Valve Cold or Hot White HX37C/15

    Hepworth HX37 Hep2o 15mm Shut Off Valve Cold or Hot White HX37C/15

    £16.58
    £16.58
  • Anti-syphon device with valve, for 38mm hose ASD38V

    Anti-syphon device with valve, for 38mm hose ASD38V

    Anti-syphon device with valve, for 38mm hose ASD38V

    £11.50
    £11.50
  • AG Valve Bracket Brass 1/4" BSP 1-74985

    AG Valve Bracket Brass 1/4" BSP 1-74985

    AG Valve Bracket Brass 1/4" BSP 1-74985

    £2.30
    £2.30
  • Thru-hull, Delrin, G1½, for hose Ø38mm DOORN11/2

    Thru-hull, Delrin, G1½, for hose Ø38mm DOORN11/2

    Thru-hull, Delrin, G1½, for hose Ø38mm DOORN11/2

    £9.00
    £9.00
  • AG Ideal Lever Ball Valve PN30 1-1/2" BSP Female Ports 1-75050

    AG Ideal Lever Ball Valve PN30 1-1/2" BSP Female Ports 1-75050

    AG Ideal Lever Ball Valve PN30 1-1/2" BSP Female Ports 1-75050

    £59.14
    £59.14
  • AG Valve Bracket Brass 3/8" BSP 1-74986

    AG Valve Bracket Brass 3/8" BSP 1-74986

    AG Valve Bracket Brass 3/8" BSP 1-74986

    £10.36
    £10.36

  • BALL VALVE BRONZE BODY 1/4inBSP FF 405721

    BALL VALVE BRONZE BODY 1/4inBSP FF 405721

    £27.78
    £27.78
  • AG Lever Ball Valve PN50 3/8" BSP Male to Female 1-75100

    AG Lever Ball Valve PN50 3/8" BSP Male to Female 1-75100

    AG Lever Ball Valve PN50 3/8" BSP Male to Female 1-75100

    £9.56
    £9.56