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 258 products

On sale

Baxi 830 Combi - Boiler Only - Including Adey Micro 2 Filter - 10yr Warranty

Baxi 830 Combi - Boiler Only

in stock

£1,260.00

£1,050.00
Brass Air Vent 1/4"

313510

£0.64

£0.53
Auto Bottle Air Vent (Compression) 15mm

313548

£5.57

£4.64
Capillary Air Vent 15mm

313311

£0.50

£0.42
Capillary Air Vent 22mm

313315

£1.63

£1.36
56% OFF

Robocal Automatic Air Vent 1/2 inch

502640

£9.26

£7.72

£20.89

£17.41
63% OFF

Robocal 15mm Auto Air Vent

502649

£8.04

£6.70

£21.96

£18.30
42% OFF

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

ESAVBCV

£6.17

£5.14

£10.63

£8.86
42% OFF

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

ESAVB15C

£5.46

£4.55

£9.41

£7.84
Slimline Auto Air vent with Check Valve 1/2“

313350

£5.42

£4.52
Slimline Auto Air Vent (Compression) 15mm (AAV15)

313352

£4.07

£3.39
Compression Air Vent Brass 15mm

313520

£0.89

£0.74
Speedfit Automatic Air Vent 15mm

319625

£10.40

£8.67
42% OFF

Intergas HRE OV 24 Open Vent Boiler

049607

£1,115.04

£929.20

£1,939.20

£1,616.00
42% OFF

Intergas HRE OV 30 Open Vent Boiler

049667

£1,226.14

£1,021.78

£2,132.40

£1,777.00
CalDensate acidic neutraliser for all boiler condensate outlets

AN-CALDENSATE

£46.19

£38.49
CalSoakaway traditional soakaway to British Standards BS6798:2014

AN-CALSOAKAWAY

£22.94

£19.12
42% OFF

ESi Controls Automatic Bypass Valve - Straight

ESABV22S

£11.57

£9.64

£19.93

£16.61
FLOWFLEX Pipe Cowl 15mm

338110

£12.96

£10.80
FLOWFLEX Pipe Cowl 22mm

338115

£24.77

£20.64
43% OFF

1m Flue (1000mm)

082969

£71.76

£59.80

£124.80

£104.00
42% OFF

2m Flue (2000mm)

082986

£166.30

£138.58

£289.20

£241.00
43% OFF

Horizontal Telescopic Offset Wall Terminal

081298

£113.16

£94.30

£196.80

£164.00
42% OFF

Horizontal Telescopic Straight Wall Terminal

081297

£97.30

£81.08

£169.20

£141.00
43% OFF

Horizontal Non Telescopic Straight Wall Terminal

082980

£113.16

£94.30

£196.80

£164.00
43% OFF

Vertical Roof Terminal 60/100 (including adapter)

082973

£115.92

£96.60

£201.60

£168.00
42% OFF

500mm Flue Extension (60/100)

082979

£33.12

£27.60

£57.60

£48.00
42% OFF

1000mm Flue Extension (60/100)

082975

£47.62

£39.68

£82.80

£69.00
43% OFF

Stand Off Bracket 24/18

093186

£62.10

£51.75

£108.00

£90.00
43% OFF

Stand Off Bracket 28/24

093196

£62.10

£51.75

£108.00

£90.00
42% OFF

Vertical Adaptor

090547

£61.42

£51.18

£106.80

£89.00
43% OFF

Off set Elbow

081289

£57.96

£48.30

£100.80

£84.00

« ‹ 1 of 9 › »

Expansion Vessels

Filter by

Heating

Brand

Price