Expansion Vessels
Our expansion vessels safeguard your heating and plumbing systems. Designed to accommodate pressure changes, they ensure longevity and efficiency, preventing damage and leaks.
Filter by
Heating
- Boilers
- Boiler Flues & Accessories
- Heating Controls
- Motorised Valves
- Pumps
- Filters
- Expansion Vessels
- Underfloor Heating
- Cylinders & Water Heaters
- Heaters
- Heating Elements & Accessories
- Ventilation
- Air Vents
- Extractor Fans
Brand
- ESi Controls
- Heatrae Sadia
- Hyco Manufacturing
- Kensa
- Reliance Water Controls
- Strada Products
- SUBB Vaillant
- Varem
- Watts
- Zilmet
Colour
Material
Price
£6
£7
£87
£104
Showing 1 to 32 of 34 products
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ESi Controls Brass Air Vent -cylinder style with Check Valve (3/8 & 1/2 inch)
ESAVBCV
£8.00
£6.67
£10.63
£8.86
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ESi Controls Air Vent Brass / Cylinder with 15mm compression fitting
ESAVB15C
£8.09
£6.74
£9.41
£7.84
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Watts - 3/8" MBSP MKLR - Microvent Automatic Side Air Vent - 252310
660-013-0304
in stock
£13.61
£11.34
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Free delivery
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Free delivery
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Free delivery
Hyco Expansion Vessel, Check Valve & Pressure Reducing Valve with Fast Install Inlet Group
SF7
£99.36
£82.80
£122.40
£102.00
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Reliance RWC - 8 Litre Aquasystem ARB8 Potable Expansion Vessel with Bracket - XVES050036
520-147-0088
in stock
£52.22
£43.52
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Reliance RWC - 12 Litre Aquasystem ARB12 Potable Expansion Vessel with Bracket - 3 Bar...
520-147-0128
in stock
£52.62
£43.85
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Reliance RWC - 18 Litre Aquasystem ARB18 Potable Expansion Vessel with Bracket - 3 Bar...
520-147-0188
in stock
£59.81
£49.84
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Reliance RWC - 24 Litre Aquasystem ARB24 Potable Expansion Vessel with Bracket - 3 Bar...
520-147-0248
in stock
£67.63
£56.36
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Strada Products - Sealed System Expansion Vessel Kit with Bracket - SSK001
565-312-0001
in stock
£33.70
£28.08
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Strada Products - Sealed System Expansion Vessel Kit without Bracket - SSK002
565-312-0002
in stock
£24.34
£20.28
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Varem - 5 Litre ExtraVarem - LR Red Heating Expansion Vessel 3/4" - R1005231
634-146-0051
£31.62
£26.35
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Varem - 8 Litre ExtraVarem - LR Red Heating Expansion Vessel 3/4" - R1008231
634-146-0081
in stock
£24.30
£20.25
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Varem - 8 Litre ExtraVarem - LR Red Heating Expansion Vessel 3/4" with Wall Mounting...
634-146-0088
in stock
£31.60
£26.33
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Varem - 8 Litre Heating Expansion Vessel with Sealed System Kit 3/4"
634-146-0089
in stock
£55.01
£45.84
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Varem - 12 Litre ExtraVarem - LR Red Heating Expansion Vessel 3/4" - UR012231
634-146-0122
in stock
£25.88
£21.57
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Varem - 12 Litre ExtraVarem - LR Heating Expansion Vessel with Bracket Red 3/4" BOM
634-146-0128
in stock
£33.13
£27.61
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Varem - 12 Litre Heating Expansion Vessel with Sealed System Kit 3/4"
634-146-0129
in stock
£56.62
£47.18
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Varem - 18 Litre ExtraVarem - LR Red Heating Expansion Vessel 3/4" - UR018231
634-146-0181
in stock
£28.86
£24.05
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Varem - 18 Litre ExtraVarem - Heating Expansion Vessel with Bracket
634-146-0188
in stock
£36.05
£30.04
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Varem - 18 Litre Heating Expansion Vessel with Sealed System Kit 3/4"
634-146-0189
in stock
£59.64
£49.70
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Varem - 25 Litre ExtraVarem - LR Red Heating Expansion Vessel 3/4" - UR025231
634-146-0253
in stock
£34.93
£29.11
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Varem - 25 Litre ExtraVarem - LR Heating Expansion Vessel with Separate Bracket Red...
634-146-0258
in stock
£39.30
£32.75
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Varem - 25 Litre Heating Expansion Vessel with Sealed System Kit 3/4"
634-146-0259
in stock
£65.82
£54.85
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Varem - 35 Litre StarVarem - LR Red Heating Expansion Vessel With Feet 3/4" -...
634-146-0351
£73.20
£61.00
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Varem - 40 Litre ExtraVarem - LR Red Heating Expansion Vessel - 3/4" Connection -...
634-146-0401
in stock
£104.30
£86.92
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Reliance RWC - 1 Metre Expansion Vessel Hose - 3/4" M x F - HOSE202106
520-224-0005
in stock
£15.22
£12.68