Reliance Water Controls (RWC) Expansion Vessels

Reliance Valves Expansion Vessels ensure safe operating levels by preventing pressure from building up in sealed heating systems and cold water systems.

Their Aquasystem range features replaceable membranes to allow quick and easy servicing in situ. It also prevents water from coming into contact with the shell, eliminating corrosion and extending product lifespan.

Available with 2 to 5,000 litre capacity, RWC expansion vessels are suitable for both domestic and commercial applications. The range also includes replacement membranes and expansion vessel fixing kits for fast and simple installation.

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Reliance RWC 18 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1.5 Bar - XVES100050
Reliance Water Controls (RWC)

Original price £46.29 - Original price £46.29

Original price

£46.29

£46.29 - £46.29

Current price £46.29

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for heating applications. Reliance Val...
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Reliance RWC 12 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1 Bar - XVES100040
Reliance Water Controls (RWC)

Original price £41.09 - Original price £41.09

Original price

£41.09

£41.09 - £41.09

Current price £41.09

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for heating applications. Reliance Val...
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Reliance RWC 8 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1 Bar - XVES100030
Reliance Water Controls (RWC)

Original price £41.83 - Original price £41.83

Original price

£41.83

£41.83 - £41.83

Current price £41.83

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for heating applications. Reliance Val...
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Reliance RWC 5 Litre Heating Expansion Vessel Tank with Replaceable Membrane Pre Set 1 Bar - XVES100020
Reliance Water Controls (RWC)

Original price £40.78 - Original price £40.78

Original price

£40.78

£40.78 - £40.78

Current price £40.78

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for heating applications. Reliance Val...
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Reliance RWC 5000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050220
Reliance Water Controls (RWC)

Original price £14,787.14 - Original price £14,787.14

Original price

£14,787.14

£14,787.14 - £14,787.14

Current price £14,787.14

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 4000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050210
Reliance Water Controls (RWC)

Original price £13,198.42 - Original price £13,198.42

Original price

£13,198.42

£13,198.42 - £13,198.42

Current price £13,198.42

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 3000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050200
Reliance Water Controls (RWC)

Original price £9,043.27 - Original price £9,043.27

Original price

£9,043.27

£9,043.27 - £9,043.27

Current price £9,043.27

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 2000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050190
Reliance Water Controls (RWC)

Original price £6,232.59 - Original price £6,232.59

Original price

£6,232.59

£6,232.59 - £6,232.59

Current price £6,232.59

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 1500 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050180
Reliance Water Controls (RWC)

Original price £3,667.00 - Original price £3,667.00

Original price

£3,667.00

£3,667.00 - £3,667.00

Current price £3,667.00

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 1000 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050170
Reliance Water Controls (RWC)

Original price £2,933.00 - Original price £2,933.00

Original price

£2,933.00

£2,933.00 - £2,933.00

Current price £2,933.00

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 750 Litre Aquasystem Potable Expansion Vessel Pre Set 4 Bar - XVES050160
Reliance Water Controls (RWC)

Original price £1,625.37 - Original price £1,625.37

Original price

£1,625.37

£1,625.37 - £1,625.37

Current price £1,625.37

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 500 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050150
Reliance Water Controls (RWC)

Original price £989.85 - Original price £989.85

Original price

£989.85

£989.85 - £989.85

Current price £989.85

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 300 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050140
Reliance Water Controls (RWC)

Original price £623.28 - Original price £623.28

Original price

£623.28

£623.28 - £623.28

Current price £623.28

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 200 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050130
Reliance Water Controls (RWC)

Original price £488.80 - Original price £488.80

Original price

£488.80

£488.80 - £488.80

Current price £488.80

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 150 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050120
Reliance Water Controls (RWC)

Original price £384.96 - Original price £384.96

Original price

£384.96

£384.96 - £384.96

Current price £384.96

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 100 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050110
Reliance Water Controls (RWC)

Original price £263.14 - Original price £263.14

Original price

£263.14

£263.14 - £263.14

Current price £263.14

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 80 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050100
Reliance Water Controls (RWC)

Original price £227.97 - Original price £227.97

Original price

£227.97

£227.97 - £227.97

Current price £227.97

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 60 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050090
Reliance Water Controls (RWC)

Original price £176.00 - Original price £176.00

Original price

£176.00

£176.00 - £176.00

Current price £176.00

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 50 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar - XVES050080
Reliance Water Controls (RWC)

Original price £150.75 - Original price £150.75

Original price

£150.75

£150.75 - £150.75

Current price £150.75

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 35 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar With Bracket - XVES050075
Reliance Water Controls (RWC)

Original price £121.10 - Original price £121.10

Original price

£121.10

£121.10 - £121.10

Current price £121.10

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 35 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar - XVES050070
Reliance Water Controls (RWC)

Original price £102.29 - Original price £102.29

Original price

£102.29

£102.29 - £102.29

Current price £102.29

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 24 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar With Bracket - XVES050065
Reliance Water Controls (RWC)

Original price £57.98 - Original price £57.98

Original price

£57.98

£57.98 - £57.98

Current price £57.98

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 24 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar - XVES050060
Reliance Water Controls (RWC)

Original price £55.32 - Original price £55.32

Original price

£55.32

£55.32 - £55.32

Current price £55.32

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When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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Reliance RWC 18 Litre Aquasystem Potable Expansion Vessel Pre Set 3 Bar With Bracket - XVES050055
Reliance Water Controls (RWC)

Original price £53.08 - Original price £53.08

Original price

£53.08

£53.08 - £53.08

Current price £53.08

| /

When ordering, please allow up to 7 working days for delivery of this item. Stainless steel expansion vessel for potable water applications.Relianc...
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