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 265 products

Osma condensate soakaway 110mm grey

1V403G

£33.72

£28.10

£168.62

£140.52
Osma condensate soakaway 21.5mm black

S951 BL

£45.26

£37.72

£64.66

£53.88
CalDensate acidic neutraliser for all boiler condensate outlets

AN-CALDENSATE

£38.62

£32.18
12 month replacement cartridge for CalDensate

AN-CALDENSATE-R

£18.66

£15.55
CalSoakaway traditional soakaway to British Standards BS6798:2014

AN-CALSOAKAWAY

£19.18

£15.98
Esi Controls Automatic Bypass Valve - Straight

ESABV22S

£9.48

£7.90

£17.64

£14.70
Standard Telescopic Horizontal Flue Kit (60/100mm diameter)

7716191082

£101.56

£84.63

£109.20

£91.00
Longer Telescopic Horizontal Flue Kit (60/100mm diameter)

7716191171

£107.14

£89.28

£115.20

£96.00
Flue Extension (960mm) (60/100mm diameter)

7716191083

£53.57

£44.64

£57.60

£48.00
Short flue Extension (220mm)

7716191133

£30.13

£25.11

£32.40

£27.00
2 Metre Extension (60/100mm diameter)

7716191172

£123.88

£103.23

£133.20

£111.00
90° Bend (60/100mm diameter)

7716191084

£43.52

£36.27

£46.80

£39.00
45 Degree Bend x 2 (60/100mm diameter)

7716191085

£80.35

£66.96

£86.40

£72.00
High Level Horizontal Flue Adaptor (60/100mm diameter)

7719002432

£49.10

£40.92

£52.80

£44.00
Vertical Flue Kit (60/100mm diameter)

7719002430

£135.04

£112.53

£145.20

£121.00
Flashing Kit - Flat Roof

7716191090

£44.64

£37.20

£48.00

£40.00
Flashing Kit - Pitched Roof

7716191091

£45.76

£38.13

£49.20

£41.00
Support Bracket (60/100mm diameter) CDi Compact & Greenstar (contract) combi boilers only

7716191177

£21.20

£17.67

£22.80

£19.00
Standard Telescopic Horizontal Flue Kit (60/100mm diameter)

7716191155

£99.32

£82.77

£106.80

£89.00
High Level Horizontal Flue Adaptor (60/100mm diameter)

7716191164

£31.25

£26.04

£33.60

£28.00
Vertical Flue Kit (60/100mm diameter)

7716191156

£130.57

£108.81

£140.40

£117.00
Plume Management Kit (60mm diameter)

7716191086

£81.47

£67.89

£87.60

£73.00
Plume Management Extension (1,000mm)

7716191087

£27.90

£23.25

£30.00

£25.00
Plume Management - 90 Degree Bend

7716191088

£33.48

£27.90

£36.00

£30.00
Plume Management - 45 Degree Bend x 2

7716191089

£29.02

£24.18

£31.20

£26.00
Plume Management Terminal Guard Round

7716191176

£66.96

£55.80

£72.00

£60.00
Horizontal Flue Kit 80/125

7719003702

£161.82

£134.85

£174.00

£145.00
Vertical Flue Kit 125mm

7719002431

£183.02

£152.52

£196.80

£164.00
Greenstar Extension 80/125 1 Mtr

7719003666

£62.50

£52.08

£67.20

£56.00
Greenstar Elbow 80/125 45 Deg

7719003665

£44.64

£37.20

£48.00

£40.00
Flue Elbow 80/125 90Deg

7719003664

£44.64

£37.20

£48.00

£40.00
Vertical Flue Adaptor 80/125mm (for High level Horizontal Flue)

7719002433

£49.10

£40.92

£52.80

£44.00

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Expansion Vessels

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