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Vessels

(198 products)

  1. Central Heating Pumps
  2. Circulating Pumps
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  4. Domestic Hot Water Circulators
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  9. Expansion Vessels / Pressure Vessels
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198 Items

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  1. Reflex HW Home Booster Expansion Vessel - 25Ltr

    7200310

    Reflex - HW Home Booster Expansion Vessel - 25Ltr

    WRAS approved horizontal design diaphragm expansion vessel for mains water installations Built and tested according to EN 13831 Approval according to 2014/68/EC directive for pressure equipment.

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    £78.53 RRP £54.97 £45.81
    Reflex
    In Stock In stock
  2. Reflex N Closed Heating & Cooling System Pressure Vessel - 800Ltr

    n800l

    Reflex - N Closed Heating & Cooling System Pressure Vessel - 800Ltr

    Reflex N, diaphragm expansion vessel for closed heating and cooling systems, built acc. This product is manufactured by Reflex. to EN 13831. Approval acc.

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    £2,120.33 RRP £1,484.23 £1,236.86
    Reflex
    In Stock In stock
    Delivery Icon Free Standard Delivery
  3. Zilmet Membrane - 50Ltr

    260100021

    Zilmet - Membrane - 50Ltr

    Replacement membrane for use in sanitary cold-/hot water systems, domestic waterworks, solar- and pressure maintenance systems and garden pumps. This product is manufactured by Zilmet.

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    £191.30 RRP £114.78 £95.65
    Zilmet
    In Stock In stock
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  4. Reflex DE Pressure Vessel - 18Ltr

    AL-PV18W

    Reflex - DE Pressure Vessel - 18Ltr

    WRAS approved bladder expansion vessel for mains water supply systems Approval according to EC Pressure Equipment Directive 2014/68/EU.

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    £69.34 RRP £48.54 £40.45
    Reflex
    In Stock In stock
  5. Reflex DE Pressure Vessel - 600Ltr

    REFLEX-7306950

    Reflex - DE Pressure Vessel - 600Ltr

    WRAS approved bladder expansion vessel for mains water supply systems Approval according to EC Pressure Equipment Directive 2014/68/EU.

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    £3,118.25 RRP £2,182.78 £1,818.98
    Reflex
    In Stock In stock
    Delivery Icon Free Standard Delivery
  6. Flamco Airfix Expansion Vessel - P 18Ltr

    25792

    Flamco Flofix - Expansion Vessel - 18Ltr - 10 Bar.

    The Flamco Flofix is a Potable water expansion vessel, for use in domestic and commercial sealed chilled and hot water systems. Nitrogen gas filling for longer retention of pre-pressure.

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    £97.79 RRP £63.56 £52.97
    flamco logo
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Diameter
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  40. 790mm 3 items
  41. 800mm 2 items
  42. 850mm 2 items
Duty Type
  1. Domestic 112 items
  2. Commercial 72 items
Flow Rate
  1. 51 - 100Ltr/min 1 item
Height
  1. 155mm 1 item
  2. 192mm 1 item
  3. 195mm 1 item
  4. 196mm 2 items
  5. 205.5mm 1 item
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  90. 2100mm 2 items
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Layout
  1. Horizontal 15 items
  2. Inline 14 items
  3. Vertical 105 items
Manufacturer
Elbi 5 items
Flamco 45 items
Global 28 items
Grundfos 40 items
Reflex 18 items
Stuart Turner 2 items
Zilmet 60 items
Max Head
  1. 0 - 10m 103 items
Pressure Rating
  1. 10 Bar 25 items
  2. 16 Bar 16 items
Price
Switch
  1. None 29 items
Water type
  1. Clean Water 5 items
  2. Clean or Discoloured 1 item
Width
  1. 518mm 1 item
Pump Type Filter
  1. Accessories 1 item
  2. Expansion Vessel 28 items
  3. Pressure Vessel 168 items
  4. Spares 1 item
Bars
  1. 4 bar 5 items
  2. 5 bar 2 items
  3. 6 bar 24 items
  4. 8 bar 2 items
  5. 10 bar 64 items
  6. 16 bar 9 items
Vessels

Vessels

Pressure vessels and expansion vessels play a big role in keeping systems safe and balanced. Expansion vessels are commonly used in heating and hot water setups, where they absorb the natural rise in water volume as it heats. This keeps pressure under control, reduces the chance of leaks, and protects boilers, pumps, and pipework from damage.

 

Pressure vessels are found in pressurised water systems, including potable water supplies. By storing water under pressure, they cut down on pump cycling, extend system life, and deliver a steadier, more reliable flow.

 

At Pumpify, you’ll find both pressure and expansion vessels in a variety of sizes and specifications, so it’s simple to choose the right fit for your project.