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.

Air Vents

Showing 1 to 32 of 65 products

Capillary Air Vent 15mm

313311

£0.46

£0.38
Capillary Air Vent 22mm

313315

£1.46

£1.22
54% OFF

Robocal Automatic Air Vent 1/2 inch

502640

£9.11

£7.59

£19.80

£16.50
62% OFF

Robocal 15mm Auto Air Vent

502649

£7.90

£6.58

£20.81

£17.34
ESi Controls Brass Air Vent -cylinder style with Check Valve (3/8 & 1/2 inch)

ESAVBCV

£7.39

£6.16

£9.85

£8.21
ESi Controls Air Vent Brass / Cylinder with 15mm compression fitting

ESAVB15C

£6.54

£5.45

£8.71

£7.26
71% OFF

12 litre Robokit Extra

CA-900012

£73.55

£61.29

£251.41

£209.51
71% OFF

18 litre Robokit Extra

CA-900018

£78.61

£65.51

£268.75

£223.96
70% OFF

25 litre Robokit Extra

CA-900024

£89.05

£74.21

£300.50

£250.42
37% OFF

18 litre Eres Eco Filling Kit

ER-18LTKIT

£81.74

£68.12

£130.69

£108.91
62% OFF

8 litre Original Equipment Manufacturer Heating Vessel

HV8F

£53.29

£44.41

£139.61

£116.34
71% OFF

8 litre Robokit Extra

CA-900008

£69.98

£58.32

£241.14

£200.95
69% OFF

35 litre Robokit Extra

CA-900035

£128.10

£106.75

£407.40

£339.50
77% OFF

50 litre With Legs Robokit Extra

CA-900050CP

£154.15

£128.46

£659.84

£549.87
70% OFF

80 litre Robokit Extra

CA-900080

£256.00

£213.33

£857.72

£714.77
54% OFF

8 litre Robokit Compact

109-5005

£108.61

£90.51

£237.60

£198.00
54% OFF

12 litre Robokit Compact

109-5006

£114.66

£95.55

£250.80

£209.00
54% OFF

18 litre Robokit Compact

109-5007

£120.67

£100.56

£264.00

£220.00
54% OFF

8 litre Robokit Compact Plus

109-5008

£108.61

£90.51

£237.60

£198.00
54% OFF

10 litre Robokit Compact Plus

109-5009

£111.62

£93.02

£244.20

£203.50
54% OFF

12 litre Robokit Compact Plus

109-5010

£114.66

£95.55

£250.80

£209.00
55% OFF

3/4 Sealed System Kit

CA-900001

£89.16

£74.30

£198.31

£165.26
61% OFF

Robokit Without bracket

CA-100000

£72.02

£60.02

£183.72

£153.10
55% OFF

Robokit Extra Special Type B

CA-100085

£89.33

£74.44

£198.95

£165.79
70% OFF

8 litre Heating Vessel comes with Bracket

HVB8C

£36.32

£30.27

£121.37

£101.14
68% OFF

12 litre Heating Vessel comes with Bracket

HVB12C

£38.69

£32.24

£119.92

£99.93
68% OFF

18 litre Heating Vessel comes with Bracket

HVB18C

£41.74

£34.78

£131.47

£109.56
68% OFF

25 litre Heating Vessel comes with Bracket

HVB25C

£45.86

£38.22

£144.13

£120.11
67% OFF

Reflex 8 litre Heating Expansion Vessel

HV8C

£40.02

£33.35

£122.71

£102.26
63% OFF

Reflex 12 litre Heating Expansion Vessel

HV12C

£44.15

£36.79

£119.22

£99.35
65% OFF

Reflex 18 litre Heating Expansion Vessel

HV18C

£45.74

£38.12

£132.01

£110.01
64% OFF

Reflex 25 litre Heating Expansion Vessel

HV25C

£52.30

£43.58

£146.22

£121.85

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Expansion Vessels

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