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Mechanical Protection & Ventilation

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  1. ESI Auto Bypass Valve - ESABV22

    SKU: HCON031

    ESI Auto Bypass Valve - ESABV22
    • 22mm compressing fitting
    • Reduces system noise
    • 16 bar maximum pressure
    £9.54 £7.95
  2. Intatec Auto Bypass Valve Angled 22mm

    SKU: PLBF197

    Intatec Auto Bypass Valve Angled 22mm ABPA401022
    • Automatically stabilises flow 
    • Protects the pump from pumping against closed head 
    • Easily adjustable 
    £9.01 £7.51
  3. Automatic Air Vent 15mm

    SKU: HCON611

    Automatic Air Vent 15mm
    • Automatically discharges air build up 
    • Improves efficiency 
    • 1 year manufacturers warranty
    £6.88 £5.73
  4. Honeywell EA122 Automatic Air Vent

    SKU: HCON715

    Honeywell EA122 Automatic Air Vent
    • Integral stop valve. Enables seat to be cleaned without draining the system 
    • Vacuum break ensures air collection 
    • Simple service and cleaning 
    £12.50 £10.42
  5. Honeywell 22mm Differential Valve By-Pass DU145B

    SKU: HCON712

    Honeywell 22mm Differential Valve By-Pass DU145B
    • Quick and Easy to adjust 
    • Quietens the system and stabalises system pressure 
    • High capacity flow - up to 50 litres per minute 
    £41.92 £34.93

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