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.

Showing 1 to 32 of 178 products

30% OFF

ESi Controls Brass Air Vent -cylinder style with Check Valve (3/8 & 1/2 inch)

ESAVBCV

£6.90

£5.75

£9.85

£8.21
30% OFF

ESi Controls Air Vent Brass / Cylinder with 15mm compression fitting

ESAVB15C

£6.10

£5.08

£8.71

£7.26
30% OFF

Free delivery

12 litre Robokit Extra

CA-900012

£175.99

£146.66

£251.41

£209.51
30% OFF

Free delivery

18 litre Robokit Extra

CA-900018

£188.12

£156.77

£268.75

£223.96
30% OFF

Free delivery

25 litre Robokit Extra

CA-900024

£210.35

£175.29

£300.50

£250.42
30% OFF

18 litre Eres Eco Filling Kit

ER-18LTKIT

£91.49

£76.24

£130.69

£108.91
30% OFF

8 litre Original Equipment Manufacturer Heating Vessel

HV8F

£97.73

£81.44

£139.61

£116.34
30% OFF

Free delivery

8 litre Robokit Extra

CA-900008

£168.80

£140.67

£241.14

£200.95
30% OFF

Free delivery

35 litre Robokit Extra

CA-900035

£285.18

£237.65

£407.40

£339.50
30% OFF

Free delivery

50 litre With Legs Robokit Extra

CA-900050CP

£461.89

£384.91

£659.84

£549.87
30% OFF

Free delivery

80 litre Robokit Extra

CA-900080

£600.41

£500.34

£857.72

£714.77
30% OFF

Free delivery

8 litre Robokit Compact

109-5005

£166.32

£138.60

£237.60

£198.00
30% OFF

Free delivery

12 litre Robokit Compact

109-5006

£175.56

£146.30

£250.80

£209.00
30% OFF

Free delivery

18 litre Robokit Compact

109-5007

£184.80

£154.00

£264.00

£220.00
30% OFF

Free delivery

8 litre Robokit Compact Plus

109-5008

£166.32

£138.60

£237.60

£198.00
30% OFF

Free delivery

10 litre Robokit Compact Plus

109-5009

£170.94

£142.45

£244.20

£203.50
30% OFF

Free delivery

12 litre Robokit Compact Plus

109-5010

£175.56

£146.30

£250.80

£209.00
30% OFF

Free delivery

3/4 Sealed System Kit

CA-900001

£138.82

£115.68

£198.31

£165.26
30% OFF

Free delivery

Robokit Without bracket

CA-100000

£128.60

£107.17

£183.72

£153.10
30% OFF

Free delivery

Robokit Extra Special Type B

CA-100085

£139.26

£116.05

£198.95

£165.79
30% OFF

8 litre Heating Vessel comes with Bracket

HVB8C

£84.96

£70.80

£121.37

£101.14
30% OFF

12 litre Heating Vessel comes with Bracket

HVB12C

£83.94

£69.95

£119.92

£99.93
30% OFF

18 litre Heating Vessel comes with Bracket

HVB18C

£92.03

£76.69

£131.47

£109.56
30% OFF

Free delivery

25 litre Heating Vessel comes with Bracket

HVB25C

£100.90

£84.08

£144.13

£120.11
30% OFF

Reflex 8 litre Heating Expansion Vessel

HV8C

£85.90

£71.58

£122.71

£102.26
30% OFF

Reflex 12 litre Heating Expansion Vessel

HV12C

£83.46

£69.55

£119.22

£99.35
30% OFF

Reflex 18 litre Heating Expansion Vessel

HV18C

£92.41

£77.01

£132.01

£110.01
30% OFF

Free delivery

Reflex 25 litre Heating Expansion Vessel

HV25C

£102.36

£85.30

£146.22

£121.85
30% OFF

Free delivery

Reflex 35 litre Heating Expansion Vessel

HV35C

£204.26

£170.22

£291.80

£243.17
30% OFF

Free delivery

Reflex 50 litre Heating Expansion Vessel

HV50C

£247.32

£206.10

£353.32

£294.43
30% OFF

Free delivery

Reflex 80 litre Heating Expansion Vessel

HV80C

£459.01

£382.51

£655.73

£546.44
30% OFF

Free delivery

Reflex 100 litre Heating Expansion Vessel

HV100C

£583.60

£486.33

£833.71

£694.76

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Expansion Vessels

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