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14259
Flamco Airfix - D 8 Expansion Vessel - 8 Ltr - 4 Bar.The Flamco Airfix D 8 Expansion Vessel - 8 Litre - 4 bar is a Expansion Vessel item.
£168.46 RRP £109.50 £91.25
In stock
Free Standard Delivery
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24749
Flamco - 50 Ltr - Airfix P Expansion Vessel - 8 BarMaintain potable water hygiene and stable pressure with the Flamco Airfix A flow-through expansion vessel for mains-fed potable and fresh-water systems. Capacity 50 Ltr.
£313.80 RRP £203.96 £169.97
In stock
Free Standard Delivery
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24909
Flamco Airfix - P DHW Expansion Vessel - 24 Ltr - 2.7 Bar. - HorizontalThe Flamco Airfix P DHW Expansion Vessel - 24 Litre - 2. 7 bar - Horizontal is a Expansion Vessel item.
£111.15 RRP £72.25 £60.21
In stock
Free Standard Delivery
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24912
Flamco Airfix - P Expansion Vessel - 50 Ltr - 2.7 Bar. - HorizontalThe Flamco Airfix P Expansion Vessel - 50 Litre - 2. 7 bar - Horizontal is a Expansion Vessel item.
£333.56 RRP £216.82 £180.68
In stock
Free Standard Delivery
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24914
Flamco Airfix - P Expansion Vessel - 60 Ltr - 2.7 Bar. - HorizontalThe Flamco Airfix P Expansion Vessel - 60 Litre - 2. 7 bar - Horizontal is a Expansion Vessel item.
£368.70 RRP £239.65 £199.71
In stock
Free Standard Delivery
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24919
Flamco Airfix - P Expansion Vessel - 100 Ltr - 2.7 Bar. - HorizontalThe Flamco Airfix P Expansion Vessel - 100 Litre - 2. 7 bar - Horizontal is a Expansion Vessel item.
£626.26 RRP £407.08 £339.23
In stock
Free Standard Delivery
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24923
Flamco Airfix - P DWH Expansion Vessel - 200 Ltr - 2.7 Bar. - HorizontalThe Flamco Airfix P DWH Expansion Vessel - 200 Litre - 2. 7 bar - Horizontal is a Expansion Vessel item.
£1,016.16 RRP £687.26 £572.72
In stock
Free Standard Delivery
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24925
Flamco Airfix - P DHW Expansion Vessel - 300 Ltr - 2.7 Bar. - HorizontalThe Flamco Airfix P DHW Expansion Vessel - 300 Litre - 2. 7 bar - Horizontal is a Expansion Vessel item.
£1,269.23 RRP £858.42 £715.35
In stock
Free Standard Delivery
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27914
Flamco Band - Fitting for Airfix Potable Vessel - Suitable For 2 to 35 LtrFor mounting expansion vessels without clench ring (2 - 35 litres) to the wall.
£10.30 RRP £6.90 £5.75
In stock
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27915
Flamco - Cubex R BracketFor easy mounting of Cubex R vessels of 12 - 18 litres to a wall. Capacity 18 Ltr.
£10.78 RRP £7.22 £6.02
In stock
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RE-7306900
Reflex - DE Pressure Vessel - 500LtrWRAS approved bladder expansion vessel for mains water supply systems Approval according to EC Pressure Equipment Directive 2014/68/EU.
£1,145.64 RRP £801.95 £668.29
In stock
Free Standard Delivery
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RE-8215300
Reflex - N Closed Heating & Cooling System Pressure Vessel - 300LtrReflex N, diaphragm expansion vessel for closed heating and cooling systems, built acc. This product is manufactured by Reflex. to EN 13831. Approval acc.
£818.76 RRP £573.13 £477.61
In stock
Free Standard Delivery
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RE-8218000
Reflex - N Closed Heating & Cooling System Pressure Vessel - 400LtrReflex N, diaphragm expansion vessel for closed heating and cooling systems, built acc. This product is manufactured by Reflex. to EN 13831. Approval acc.
£1,053.14 RRP £737.20 £614.33
In stock
Free Standard Delivery
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RE-8218300
Reflex - N Closed Heating & Cooling System Pressure Vessel - 500LtrReflex N, diaphragm expansion vessel for closed heating and cooling systems, built acc. This product is manufactured by Reflex. to EN 13831. Approval acc.
£1,183.68 RRP £828.58 £690.48
In stock
Free Standard Delivery
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RE-8218400
Reflex - N Closed Heating & Cooling System Pressure Vessel - 600LtrReflex N, diaphragm expansion vessel for closed heating and cooling systems, built acc. This product is manufactured by Reflex. to EN 13831. Approval acc.
£1,382.76 RRP £967.93 £806.61
In stock
Free Standard Delivery
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ZI-1100020006
Zilmet - Ultra-Pro Expansion Vessel - 10 Bar. - 200LtrULTRA-PRO is appropriate for any modern installation and can be applied to any type of irrigation pump, centrifugal pump and booster sets. The food grade membrane is replaceable.
£1,000.02 RRP £600.01 £500.01
In stock
Free Standard Delivery
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.