Non-return valves

194 products

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (1/2 Pollice thread + 12 mm pipe connections) (1/3)

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (1/2 Pollice thread + 12 mm pipe connections) (2/3)

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (1/2 Pollice thread + 12 mm pipe connections)

~~£18.02~~

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Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (3/4 Pollice thread + 16 mm pipe connections) (1/3)

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (3/4 Pollice thread + 16 mm pipe connections) (2/3)

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (3/4 Pollice thread + 16 mm pipe connections)

~~£19.58~~

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Reed Valve VFORCE with interface V4R83A-i For Rm85 2002-2019 (1/5)

Reed Valve VFORCE with interface V4R83A-i For Rm85 2002-2019 (2/5)

Reed Valve VFORCE with interface V4R83A-i For Rm85 2002-2019 (3/5)

Reed Valve VFORCE with interface V4R83A-i For Rm85 2002-2019 (4/5)

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Reed Valve VFORCE with interface V4R83A-i For Rm85 2002-2019

~~£44.64~~

Integrated 12mm Plastic Non-Return Valve, Non-Return Valve for Water, Fuel, Liquid, Air (1/5)

Integrated 12mm Plastic Non-Return Valve, Non-Return Valve for Water, Fuel, Liquid, Air (2/5)

Integrated 12mm Plastic Non-Return Valve, Non-Return Valve for Water, Fuel, Liquid, Air (3/5)

Integrated 12mm Plastic Non-Return Valve, Non-Return Valve for Water, Fuel, Liquid, Air (4/5)

Integrated 12mm Plastic Non-Return Valve, Non-Return Valve for Water, Fuel, Liquid, Air

~~£24.60~~

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Baxi 720789601 Brass Return Assembly 12L Replacement Spare Part

~~£100.00~~

Caleffi 304645 Check valve Type EA 3/4"F-3/4"M DN15

RV Vacuum Circuit Breaker Non-Return Valve, Tank Flushing with Integrated Backflow Prevention for Sewer Systems, Black RV 571VACCHK A (1/5)

RV Vacuum Circuit Breaker Non-Return Valve, Tank Flushing with Integrated Backflow Prevention for Sewer Systems, Black RV 571VACCHK A (2/5)

RV Vacuum Circuit Breaker Non-Return Valve, Tank Flushing with Integrated Backflow Prevention for Sewer Systems, Black RV 571VACCHK A (3/5)

RV Vacuum Circuit Breaker Non-Return Valve, Tank Flushing with Integrated Backflow Prevention for Sewer Systems, Black RV 571VACCHK A

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John Guest Speedfit 12mm Check Valve (1/4)

John Guest Speedfit 12mm Check Valve (2/4)

John Guest Speedfit 12mm Check Valve (3/4)

John Guest Speedfit 12mm Check Valve

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PVC check valve with double connection for metric pressure pipes (DN25 Φ32 mm) (1/5)

PVC check valve with double connection for metric pressure pipes (DN25 Φ32 mm) (2/5)

PVC check valve with double connection for metric pressure pipes (DN25 Φ32 mm) (3/5)

PVC check valve with double connection for metric pressure pipes (DN25 Φ32 mm) (4/5)

PVC check valve with double connection for metric pressure pipes (DN25 Φ32 mm)

~~£25.68~~

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Non Return Valve Lineo S 150

Check valve 1/2、3/4、1、2 inch - non-return valve pump check valve (1/2 inch) (1/3)

Check valve 1/2、3/4、1、2 inch - non-return valve pump check valve (1/2 inch)

~~£29.53~~

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13217 strainer for 1" check valves, DN25 stainless steel basket (1/4)

13217 strainer for 1" check valves, DN25 stainless steel basket (2/4)

13217 strainer for 1" check valves, DN25 stainless steel basket (3/4)

13217 strainer for 1" check valves, DN25 stainless steel basket

~~£84.89~~

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McAlpine ARB-1 4"/110mm Anti Back-Flow and Rodent Barrier Valve (1/5)

McAlpine ARB-1 4"/110mm Anti Back-Flow and Rodent Barrier Valve (2/5)

McAlpine ARB-1 4"/110mm Anti Back-Flow and Rodent Barrier Valve (3/5)

McAlpine ARB-1 4"/110mm Anti Back-Flow and Rodent Barrier Valve (4/5)

McAlpine ARB-1 4"/110mm Anti Back-Flow and Rodent Barrier Valve

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Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 40mm) (1/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 40mm) (2/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 40mm) (3/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 40mm) (4/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 40mm)

~~£21.94~~

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Caleffi 304540 Anti-pollution valve-f.f.- ea 3045 scudo-hostaform plugs dn 1/2

Primaflow Vcd Double Check Valve 15mm (1/2)

Primaflow Vcd Double Check Valve 15mm

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RWC Single Check Valve - 15mm

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McAlpine Multifit Non Return Valve 2'' Z28M-NRV (1/4)

McAlpine Multifit Non Return Valve 2'' Z28M-NRV (2/4)

McAlpine Multifit Non Return Valve 2'' Z28M-NRV (3/4)

McAlpine Multifit Non Return Valve 2'' Z28M-NRV

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Premium brass water check valve to prevent water backflow for pump, well, washing machine, garden, rain tank, barrel (1/5)

Premium brass water check valve to prevent water backflow for pump, well, washing machine, garden, rain tank, barrel (2/5)

Premium brass water check valve to prevent water backflow for pump, well, washing machine, garden, rain tank, barrel (3/5)

Premium brass water check valve to prevent water backflow for pump, well, washing machine, garden, rain tank, barrel (4/5)

Premium brass water check valve to prevent water backflow for pump, well, washing machine, garden, rain tank, barrel

~~£28.57~~

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McAlpine In Line Vertical Non Return Valve with Inlet & Outlet Connection for 19/23mm Pipe CONVALVE-125 (1/2)

McAlpine In Line Vertical Non Return Valve with Inlet & Outlet Connection for 19/23mm Pipe CONVALVE-125

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McAlpine CONVALVE In-Line Vertical Non-Return Valve (1/4)

McAlpine CONVALVE In-Line Vertical Non-Return Valve (2/4)

McAlpine CONVALVE In-Line Vertical Non-Return Valve (3/4)

McAlpine CONVALVE In-Line Vertical Non-Return Valve

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Primaflow VCD Double Check Valve DZR 28mm (1/2)

Primaflow VCD Double Check Valve DZR 28mm

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McAlpine S28M-NRV 1.25" Multifit In-Line Non-Return Valve (1/5)

McAlpine S28M-NRV 1.25" Multifit In-Line Non-Return Valve (2/5)

McAlpine S28M-NRV 1.25" Multifit In-Line Non-Return Valve (3/5)

McAlpine S28M-NRV 1.25" Multifit In-Line Non-Return Valve (4/5)

McAlpine S28M-NRV 1.25" Multifit In-Line Non-Return Valve

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John Guest Speedfit Double Check Valve 15mm (15DCV) (1/5)

John Guest Speedfit Double Check Valve 15mm (15DCV) (2/5)

John Guest Speedfit Double Check Valve 15mm (15DCV) (3/5)

John Guest Speedfit Double Check Valve 15mm (15DCV) (4/5)

John Guest Speedfit Double Check Valve 15mm (15DCV)

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Clapet anti-retour de 1 pouce en laiton de haute qualité robuste, antirouille et étanche pour une pompe, une fontaine, une machine à laver, un jardin, des mégots de pluie, un baril (1/4)

Clapet anti-retour de 1 pouce en laiton de haute qualité robuste, antirouille et étanche pour une pompe, une fontaine, une machine à laver, un jardin, des mégots de pluie, un baril

~~£28.98~~

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check valve 1/2、3/4、1、2 inch - check valve check valve pump (1/2 inch) (1/3)

check valve 1/2、3/4、1、2 inch - check valve check valve pump (1/2 inch) (2/3)

check valve 1/2、3/4、1、2 inch - check valve check valve pump (1/2 inch)

~~£14.58~~

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Inline non-return valve for fuel, oil, water, gas, air, one-way, durable for water, fuel, liquid air (1/5)

Inline non-return valve for fuel, oil, water, gas, air, one-way, durable for water, fuel, liquid air (2/5)

Inline non-return valve for fuel, oil, water, gas, air, one-way, durable for water, fuel, liquid air (3/5)

Inline non-return valve for fuel, oil, water, gas, air, one-way, durable for water, fuel, liquid air (4/5)

Inline non-return valve for fuel, oil, water, gas, air, one-way, durable for water, fuel, liquid air

~~£12.94~~

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1/2 non-return strainer valve、3/4、1、2 inch - non-return valve check valve pump (1/2 inch) (1/3)

1/2 non-return strainer valve、3/4、1、2 inch - non-return valve check valve pump (1/2 inch) (2/3)

1/2 non-return strainer valve、3/4、1、2 inch - non-return valve check valve pump (1/2 inch)

~~£12.94~~

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Draper VALVE PLATE (61562)

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INTAKE VALVE (15971)

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Brass Non-Return Valve DN15 with Female Thread DN15 1.6Mpa Preventing Water Backflow (1/5)

Brass Non-Return Valve DN15 with Female Thread DN15 1.6Mpa Preventing Water Backflow (2/5)

Brass Non-Return Valve DN15 with Female Thread DN15 1.6Mpa Preventing Water Backflow (3/5)

Brass Non-Return Valve DN15 with Female Thread DN15 1.6Mpa Preventing Water Backflow (4/5)

Brass Non-Return Valve DN15 with Female Thread DN15 1.6Mpa Preventing Water Backflow

~~£14.56~~

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Check Valve, Swing Check Valve DN20 232PSI 3/4 Female Brass Water Check Valve One-Way Thread Non-Return Valve to Prevent Water Backflow (1/5)

Check Valve, Swing Check Valve DN20 232PSI 3/4 Female Brass Water Check Valve One-Way Thread Non-Return Valve to Prevent Water Backflow (2/5)

Check Valve, Swing Check Valve DN20 232PSI 3/4 Female Brass Water Check Valve One-Way Thread Non-Return Valve to Prevent Water Backflow (3/5)

Check Valve, Swing Check Valve DN20 232PSI 3/4 Female Brass Water Check Valve One-Way Thread Non-Return Valve to Prevent Water Backflow (4/5)

Check Valve, Swing Check Valve DN20 232PSI 3/4 Female Brass Water Check Valve One-Way Thread Non-Return Valve to Prevent Water Backflow

~~£14.56~~

Free shipping

John Guest Speedfit Double Check Valve 15mm (15DCV) (Pack Of 5)

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RETURNER INTAKE VALVE (64719)

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Set of 2 solar connector wrenches, photovoltaic plug tensioner, solar plug assembly wrench for solar panel cable, photovoltaic system wire and assembly tool (1/5)

Set of 2 solar connector wrenches, photovoltaic plug tensioner, solar plug assembly wrench for solar panel cable, photovoltaic system wire and assembly tool

~~£16.18~~

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Draper VALVE PLATE (69919)

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Check valve, non-return valve DN20 232PSI 3/4 internal thread brass water check valve one-way thread check valve to prevent water backflow (1/5)

Check valve, non-return valve DN20 232PSI 3/4 internal thread brass water check valve one-way thread check valve to prevent water backflow (2/5)

Check valve, non-return valve DN20 232PSI 3/4 internal thread brass water check valve one-way thread check valve to prevent water backflow (3/5)

Check valve, non-return valve DN20 232PSI 3/4 internal thread brass water check valve one-way thread check valve to prevent water backflow (4/5)

Check valve, non-return valve DN20 232PSI 3/4 internal thread brass water check valve one-way thread check valve to prevent water backflow

~~£17.98~~

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Check Valve - 38179

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Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 32 mm) (1/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 32 mm) (2/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 32 mm) (3/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 32 mm) (4/5)

Foot valve check valve with suction ball 25 32 40 mm check valve PVC swimming pool pump (inner diameter 32 mm)

~~£19.64~~

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VALVE SEAT (41907)

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Check Valve, DN20 232PSI 3/4 Female Swing Check Valve Brass Water Return Valve One Way Thread Non-Return Valve to Prevent Water Backflow (1/5)

Check Valve, DN20 232PSI 3/4 Female Swing Check Valve Brass Water Return Valve One Way Thread Non-Return Valve to Prevent Water Backflow (2/5)

Check Valve, DN20 232PSI 3/4 Female Swing Check Valve Brass Water Return Valve One Way Thread Non-Return Valve to Prevent Water Backflow (3/5)

Check Valve, DN20 232PSI 3/4 Female Swing Check Valve Brass Water Return Valve One Way Thread Non-Return Valve to Prevent Water Backflow (4/5)

Check Valve, DN20 232PSI 3/4 Female Swing Check Valve Brass Water Return Valve One Way Thread Non-Return Valve to Prevent Water Backflow

~~£22.98~~

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Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (1 Pollice thread + 19 mm pipe connections) (1/3)

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (1 Pollice thread + 19 mm pipe connections) (2/3)

Check valve with strainer 1/2 3/4 1 inch with socket 12 16 19 mm - foot valve check strainer valve (1 Pollice thread + 19 mm pipe connections)

~~£21.42~~

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2 Pairs MC4 Solar Connector Wrench Solar Connector PV Connector Quick Release Male/Female Plug Disconnect Tool Wrench Orange (1/5)

2 Pairs MC4 Solar Connector Wrench Solar Connector PV Connector Quick Release Male/Female Plug Disconnect Tool Wrench Orange (2/5)

2 Pairs MC4 Solar Connector Wrench Solar Connector PV Connector Quick Release Male/Female Plug Disconnect Tool Wrench Orange (3/5)

2 Pairs MC4 Solar Connector Wrench Solar Connector PV Connector Quick Release Male/Female Plug Disconnect Tool Wrench Orange (4/5)

2 Pairs MC4 Solar Connector Wrench Solar Connector PV Connector Quick Release Male/Female Plug Disconnect Tool Wrench Orange

~~£17.80~~

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1/23/412 inch Check Valve - Non-return Valve Pump Check Valve (1 inch) (1/3)

1/23/412 inch Check Valve - Non-return Valve Pump Check Valve (1 inch) (2/3)

1/23/412 inch Check Valve - Non-return Valve Pump Check Valve (1 inch)

~~£17.80~~

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1/2 non-return strainer valve、3/4、1、2 inch - non return valve check valve pump (1/2 inch)

~~£22.98~~

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1-inch solid brass non-return valve – Optimal sealing – Temperature -20 to +100°C – Pressure 25 bar – Compatible with threaded pipes (1/5)

1-inch solid brass non-return valve – Optimal sealing – Temperature -20 to +100°C – Pressure 25 bar – Compatible with threaded pipes (2/5)

1-inch solid brass non-return valve – Optimal sealing – Temperature -20 to +100°C – Pressure 25 bar – Compatible with threaded pipes (3/5)

1-inch solid brass non-return valve – Optimal sealing – Temperature -20 to +100°C – Pressure 25 bar – Compatible with threaded pipes (4/5)

1-inch solid brass non-return valve – Optimal sealing – Temperature -20 to +100°C – Pressure 25 bar – Compatible with threaded pipes

~~£22.27~~

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PVC check valve with double connection for metric pressure pipes (DN20 Φ25 mm) (1/5)

PVC check valve with double connection for metric pressure pipes (DN20 Φ25 mm) (2/5)

PVC check valve with double connection for metric pressure pipes (DN20 Φ25 mm) (3/5)

PVC check valve with double connection for metric pressure pipes (DN20 Φ25 mm) (4/5)

PVC check valve with double connection for metric pressure pipes (DN20 Φ25 mm)

~~£24.38~~

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1 Inch Brass Check Valve High Quality Heavy Duty Rustproof Leakproof for Pump, Fountain, Washing Machine, Garden, Rainwater Taps, Bari (1/3)

1 Inch Brass Check Valve High Quality Heavy Duty Rustproof Leakproof for Pump, Fountain, Washing Machine, Garden, Rainwater Taps, Bari (2/3)

1 Inch Brass Check Valve High Quality Heavy Duty Rustproof Leakproof for Pump, Fountain, Washing Machine, Garden, Rainwater Taps, Bari

~~£21.04~~

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Socla 149B2111 Anti-pollution valve EA251 3/4" - Brass - Male/Female - 10 bar

Backdraught shutter KOMu 315

Watts Industries 260015120 Anti-pollution check valve BB 015 A+C

Ideal 175527 Return Valve Pack Genuine Replacement Spare Part

~~£46.00~~

Glow-Worm S1006400 3 Way Valve Cartridge Replacement Spare Part (1/2)

Glow-Worm S1006400 3 Way Valve Cartridge Replacement Spare Part

~~£97.00~~

Backdraught shutter KOMu 150

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Clapet Anti-Retour Intégré en Plastique de 12 mm Clapet Anti-Retour sans Retour pour l'eau, Le Carburant, Le Liquide, l'Air (1/5)

Clapet Anti-Retour Intégré en Plastique de 12 mm Clapet Anti-Retour sans Retour pour l'eau, Le Carburant, Le Liquide, l'Air (2/5)

Clapet Anti-Retour Intégré en Plastique de 12 mm Clapet Anti-Retour sans Retour pour l'eau, Le Carburant, Le Liquide, l'Air (3/5)

Clapet Anti-Retour Intégré en Plastique de 12 mm Clapet Anti-Retour sans Retour pour l'eau, Le Carburant, Le Liquide, l'Air (4/5)

Clapet Anti-Retour Intégré en Plastique de 12 mm Clapet Anti-Retour sans Retour pour l'eau, Le Carburant, Le Liquide, l'Air

~~£28.98~~

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Clapet anti retour a bille 25 32 40 50mm clapet anti retour eau pvc soupape clapet anti refoulement vanne piscine (Diamètre Intérieur 32mm) (1/5)

Clapet anti retour a bille 25 32 40 50mm clapet anti retour eau pvc soupape clapet anti refoulement vanne piscine (Diamètre Intérieur 32mm) (2/5)

Clapet anti retour a bille 25 32 40 50mm clapet anti retour eau pvc soupape clapet anti refoulement vanne piscine (Diamètre Intérieur 32mm) (3/5)

Clapet anti retour a bille 25 32 40 50mm clapet anti retour eau pvc soupape clapet anti refoulement vanne piscine (Diamètre Intérieur 32mm) (4/5)

Clapet anti retour a bille 25 32 40 50mm clapet anti retour eau pvc soupape clapet anti refoulement vanne piscine (Diamètre Intérieur 32mm)

~~£28.98~~

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Non-return valves