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    Backflow & check valves are available in a choice of either single, double, swing or backflow options made from either brass or DZR with compression or BSP connections. Sizes available from BES include 3/8" to 4"

    Items 1-15 of 21

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    Water Swing Check Valve - Brass 3/4" BSP Water Swing Check Valve - Brass 3/4" BSP Water Swing Check Valve - Brass 3/4" BSP
    Water Swing Check Valve - Brass 3/4" BSP Part Number: 7463
    £9.10 £7.58
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    Water Swing Check Valve - Brass 1" BSP Water Swing Check Valve - Brass 1" BSP Water Swing Check Valve - Brass 1" BSP
    Water Swing Check Valve - Brass 1" BSP Part Number: 7464
    £14.58 £12.15
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    Water Swing Check Valve - Brass 1.1/2" BSP Water Swing Check Valve - Brass 1.1/2" BSP Water Swing Check Valve - Brass 1.1/2" BSP
    Water Swing Check Valve - Brass 1.1/2" BSP Part Number: 7466
    £32.47 £27.06
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    Water Swing Check Valve - Brass 2.1/2" BSP Water Swing Check Valve - Brass 2.1/2" BSP Water Swing Check Valve - Brass 2.1/2" BSP
    Water Swing Check Valve - Brass 2.1/2" BSP Part Number: 7468
    £70.21 £58.51
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    Water Swing Check Valve - Brass 3" BSP Water Swing Check Valve - Brass 3" BSP Water Swing Check Valve - Brass 3" BSP
    Water Swing Check Valve - Brass 3" BSP Part Number: 7519
    £83.69 £69.74
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    Water Swing Check Valve - Brass 4" BSP Water Swing Check Valve - Brass 4" BSP Water Swing Check Valve - Brass 4" BSP
    Water Swing Check Valve - Brass 4" BSP Part Number: 7520
    £119.75 £99.79
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    Single Check Valve 110°C - 3/8" BSP Single Check Valve 110°C - 3/8" BSP Single Check Valve 110°C - 3/8" BSP
    Single Check Valve 110°C - 3/8" BSP Part Number: 7522
    £5.75 £4.79
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    Single Check Valve 110°C - 3/4" BSP Single Check Valve 110°C - 3/4" BSP Single Check Valve 110°C - 3/4" BSP
    Single Check Valve 110°C - 3/4" BSP Part Number: 7524
    £6.13 £5.11
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    Single Check Valve 110°C - 1.1/2" BSP Single Check Valve 110°C - 1.1/2" BSP Single Check Valve 110°C - 1.1/2" BSP
    Single Check Valve 110°C - 1.1/2" BSP Part Number: 7527
    £17.54 £14.62
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    Single Check Valve 110°C - 2" BSP Single Check Valve 110°C - 2" BSP Single Check Valve 110°C - 2" BSP
    Single Check Valve 110°C - 2" BSP Part Number: 7528
    £27.31 £22.76
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    Water Swing Check Valve - Brass 1/2" BSP Water Swing Check Valve - Brass 1/2" BSP Water Swing Check Valve - Brass 1/2" BSP
    Water Swing Check Valve - Brass 1/2" BSP Part Number: 7462
    £6.67 £5.56
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    Water Swing Check Valve - Brass 1.1/4" BSP Water Swing Check Valve - Brass 1.1/4" BSP Water Swing Check Valve - Brass 1.1/4" BSP
    Water Swing Check Valve - Brass 1.1/4" BSP Part Number: 7465
    £20.14 £16.78
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    Water Swing Check Valve - Brass 2" BSP Water Swing Check Valve - Brass 2" BSP Water Swing Check Valve - Brass 2" BSP
    Water Swing Check Valve - Brass 2" BSP Part Number: 7467
    £42.16 £35.13
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    Water Swing Check Valve - Brass 3/8" BSP Water Swing Check Valve - Brass 3/8" BSP Water Swing Check Valve - Brass 3/8" BSP
    Water Swing Check Valve - Brass 3/8" BSP Part Number: 7518
    £4.68 £3.90
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    Single Check Valve 110°C - 1/4" BSP Single Check Valve 110°C - 1/4" BSP Single Check Valve 110°C - 1/4" BSP
    Single Check Valve 110°C - 1/4" BSP Part Number: 7521
    £7.27 £6.06
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    Items 1-15 of 21

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