Plumbing - Check & One Way Valves

A wide selection of Check & One Way Valves used to prevent water entering electical equipment.

See also:  
Socket Valves    
Ball Valves     
Bleed Valves & Parts      
Drain Valves    
Flow Valves      
Gate/Slice Valves

A wide selection of Check & One Way Valves used to prevent water entering electical equipment.

See also:  
Socket Valves    
Ball Valves     
Bleed Valves & Parts      
Drain Valves    
Flow Valves      
Gate/Slice Valves

Refine by
Brand
Reset
Sort by
Spares Available
Spares Available
Air Check Valve 1.5" Soc - 1/4lb Spring
Air Check Valve 1.5" Soc - 1/4lb Spring
1.5" Sockets 1/4lb Spring
Quick Find:
3908
MPN:
600-8140
  • Waterway Air Check Valve
  • Clear
  • 1.5" sockets
  • 1/4lb. spring
In stock 4 in stock
In stock Same day dispatch on orders before 15:30
In stock More stock (3) due on 10/12/2019
£14.62
Saving: £4.92
Air Check Valve 32mm Spg
Air Check Valve 32mm Spg
32mm Spigot Air Check Valve For Use With Heated Blowers
Quick Find:
1176
MPN:
20-0603HR

 

  • Balboa Air Check Valve
  • 32mm Spigot
In stock 12 in stock
In stock Same day dispatch on orders before 15:30
£7.99
Saving: £1.41
Balboa Air System Check Valve 32mm
Balboa Air System Check Valve 32mm
For Use With NON Heated Blowers
Quick Find:
1177
MPN:
20-0603

 

 

Discontinued Discontinued
View Alternatives
View Alternatives
Check Valve 1.0" Socket x Spigot
Check Valve 1.0" Socket x Spigot
For Use With Heated & NON Heated Blowers
Quick Find:
4548
MPN:
4548

 

  • Superflow Check Valve for Air Systems
  • AKA non return valve
  • For 1.0" pipe work
  • 90° MAX
Out of stock Out of Stock
Email me when back in stock
£16.99
Saving: £2.96
View Listing
Check Valve 1.5" Soc -2lb Spring
Check Valve 1.5" Soc -2lb Spring
1.5" Sockets - 2lb Spring
Quick Find:
5108
MPN:
RANRV
  • Genuine Rainbow product
  • White
  • 1.5" sockets
  • 2.0lb. spring
In stock 2 in stock
In stock Same day dispatch on orders before 15:30
£71.74
 
Check Valve Flow Direction Varible
Check Valve Flow Direction Varible
32mm O/D
Quick Find:
2775

 

  • Check Valve Flow Direction Varible
  • 32mm O/D
  • with Spring Valve
In stock 4 in stock
In stock Same day dispatch on orders before 15:30
£27.49
 
Dell Ozone - Non Return Valve 1/4"
Dell Ozone - Non Return Valve 1/4"
All Dell Ozones
Quick Find:
6387
MPN:
34-0381-K

 

  • Dell Ozone - Non Return Valve 1/4"
  • All Dell Ozones
In stock 10 in stock
In stock Same day dispatch on orders before 15:30
£7.99
Saving: £3.90
Flapper Valve - 2.0" Sockets
Flapper Valve - 2.0" Sockets
1.25 - 2lb spring
Quick Find:
3909
MPN:
550-6810
  • Waterway Flapper Check Valve
  • 2.0" Sockets
  • 1.25 - 2lb spring
  • Suitable for Water
In stock 4 in stock
In stock Same day dispatch on orders before 15:30
£10.35
Saving: £3.63
HydroQuip Check Valve 0.75"
HydroQuip Check Valve 0.75"
Socket x Socket
Quick Find:
8655
MPN:
42-0056-K
  • HydroQuip Check Valve
  • 0.75"
  • Socket  x Socket
  • White
Available for Pre Order Special Order Item
Alert Lead time confirmed upon order
£15.80
Saving: £3.74
HydroQuip Check Valve 1.50"
HydroQuip Check Valve 1.50"
Socket x Socket
Quick Find:
8654
MPN:
42-0078-K
  • HydroQuip Check Valve
  • 1.5"
  • Socket  x Socket
  • White
Available for Pre Order Available for Pre Order
Available for Pre Order More stock (2) on order
£15.80
Saving: £3.74
Koller Air System Check Valve 32mm
Koller Air System Check Valve 32mm
For Use With Heated & NON Heated Blowers
Quick Find:
4316

 

  • Check Valve for Air Systems
  • AKA non return valve
  • For 32mm pipe work
  • 90° MAX
In stock 3 in stock
In stock Same day dispatch on orders before 15:30
£17.99
 
PVC Non Return Valve - Double Union
PVC Non Return Valve - Double Union
Metric 20mm O/D - Grey
Quick Find:
7300
MPN:
022.671.020Q

 

  • PVC Non Return Valve
  • Double Union 
  • Metric - 20mm 
  • Grey  
Available for Pre Order Special Order Item
Alert Lead time confirmed upon order
£24.03
Saving: £8.44
PVC Non Return Valve - Double Union
PVC Non Return Valve - Double Union
Imperial - 1.0"
Quick Find:
5116

 

  • PVC Non Return Valve
  • Double Union 
  • Imperial - 1.0"
  • Grey  
    • In stock 1 in stock
    In stock Same day dispatch on orders before 15:30
    £31.49
    Saving: £5.51
    PVC Non Return Valve - Double Union
    PVC Non Return Valve - Double Union
    Metric - 32mm
    Quick Find:
    2853

     

  • PVC Non Return Valve
  • Double Union 
  • Metric -  32mm
  • Grey  
    • In stock 2 in stock
    In stock Same day dispatch on orders before 15:30
    £31.49
    Saving: £5.51
    PVC Non Return Valve - Double Union
    PVC Non Return Valve - Double Union
    Imperial - 1.50"
    Quick Find:
    2852

     

  • PVC Non Return Valve
  • Double Union 
  • Imperial - 1.50"
  • Grey  
    • In stock 3 in stock
    In stock Same day dispatch on orders before 15:30
    £45.99
    Saving: £8.44
    PVC Non Return Valve - Double Union
    PVC Non Return Valve - Double Union
    Imperial - 2.0"
    Quick Find:
    2851

     

  • PVC Non Return Valve
  • Double Union 
  • Imperial - 2.0"
  • Grey  

    •  

    In stock 3 in stock
    In stock Same day dispatch on orders before 15:30
    £65.99
    Saving: £12.13
    PVC Non Return Valve - Double Union
    PVC Non Return Valve - Double Union
    Metric - 40mm
    Quick Find:
    5140

     

  • PVC Non Return Valve
  • Double Union 
  • Metric -  40mm
  • Grey  
    • Available for Pre Order Available for Pre Order
    Available for Pre Order Estimated Dispatch 7 Days
    £34.71
    Saving: £12.19
    PVC Non Return Valve - Double Union
    PVC Non Return Valve - Double Union
    Metric - 50mm
    Quick Find:
    0096

     

    • PVC Non Return Valve
    • Double Union 
    • Metric - 50mm
    • EPDM Seals
    • Grey  
    In stock 2 in stock
    In stock Same day dispatch on orders before 15:30
    £45.99
    Saving: £8.44
    Waterway Check Valve Assembly - Tee - 1" S x 1" S
    Waterway Check Valve Assembly - Tee - 1" S x 1" S
    Quick Find:
    8490
    MPN:
    600-5000
    • Genuine Waterway Product
    • Check Valve Assembly
    • 1" Slip x 1 Slip Tee
    • MPN: 600-5000
    In stock 1 in stock
    In stock Same day dispatch on orders before 15:30
    £13.12
    Saving: £6.42
    Watkins Non Return Valve - 3/4"
    Watkins Non Return Valve - 3/4"
    Barbed -35233
    Quick Find:
    6388
    MPN:
    35233
    • Watkins Non Return Valve
    • 3/4" O/D
    • Barbed - 35233
    • Suitable to use on Watkins Heaters
    In stock 7 in stock
    In stock Same day dispatch on orders before 15:30
    £12.99
    Saving: £0.21