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 38 products

Expansion Vessel Sealed System Kit (no bracket)

381870

£22.67

£18.89
16% OFF

Expansion Vessel & Check Valve

SF3

£57.60

£48.00

£68.40

£57.00
18% OFF

Expansion Vessel, Check Valve & Pressure Reducing Valve

SF4

£84.96

£70.80

£103.20

£86.00
15% OFF

Expansion Vessel & Check Valve with fast install inlet group

SF6

£72.00

£60.00

£85.20

£71.00
19% OFF

Expansion Vessel, Check Valve & Pressure RV Fast Install

SF7

£99.36

£82.80

£122.40

£102.00
Expansion Vessel Bracket Up to 24 litres

381650

£23.21

£19.34
Universal Expansion Vessel Mounting Bracket

381655

£6.62

£5.52
Expansion Vessel Service Valve 3/4" M x F

381875

£13.97

£11.64
T-BAR Expansion Vessel Fixing Kit

381880

£53.68

£44.73
9% OFF

Optimum 24 Hour / 7 Day Digital Timeswitch - 240V A.C

OP-TS371.1

£64.16

£53.47

£70.51

£58.76
9% OFF

Optimum 24 Hour Socket Box Timeswitch

OP-SBST

£32.60

£27.17

£35.83

£29.86
9% OFF

Optimum 7 Day Socket Box Timeswitch

OP-SBSW

£49.18

£40.98

£54.04

£45.03
9% OFF

Optimum Digital Socket Box Timeswitch

OP-SBSDIGI

£60.95

£50.79

£66.97

£55.81
9% OFF

Optimum 24 Hour Immersion / General Purpose Timeswitch

OP-IHTGPT

£31.00

£25.83

£34.07

£28.39
9% OFF

Optimum 7 Day Immersion / General Purpose Timeswitch

OP-IHTGPW

£44.93

£37.44

£49.37

£41.14
9% OFF

Optimum Digital Immersion / General Purpose Timeswitch

OP-IHTDIGI

£53.46

£44.55

£58.75

£48.96
9% OFF

Optimum 24 Hour Synchronous Timeswitch - 240V A.C.

OP-TS111.1

£43.84

£36.53

£48.17

£40.14
9% OFF

24 Hour Synchronous Timeswitch - 240V A.C. (Panel Mount)

OP-TS111.2

£42.76

£35.63

£46.99

£39.16
9% OFF

Optimum 7 Day Synchronous Timeswitch - 240V A.C.

OP-TS171.1

£48.13

£40.11

£52.88

£44.07
9% OFF

Optimum 24 Hour Quartz Timeswitch - 240V A.C.

OP-TS211.1

£64.16

£53.47

£70.51

£58.76
9% OFF

Optimum Economy 7 Timeswitch

OP-ECOSAVE

£81.58

£67.98

£89.64

£74.70
9% OFF

Optimum 24 Hour Synchronous Timeswitch Module

OP-FM1STU00

£36.35

£30.29

£39.95

£33.29
9% OFF

Optimum 2 Hour Electronic Boost Timer

OP-EBT2

£21.38

£17.82

£23.51

£19.59
9% OFF

Optimum 24 Hour Digital Fused Spur Timer

OP-DFST

£34.28

£28.57

£37.68

£31.40
9% OFF

Optimum WiFi - Boiler Module / Immersion Heater Control

OP-BM/IHTWF01

£49.96

£41.63

£54.89

£45.74
9% OFF

Optimum WiFi - DIN Rail Timeswitch

OP-DRWF01

£49.96

£41.63

£54.89

£45.74
9% OFF

Optimum Connect WiFi - Single Channel Socket Box Timeswitch

OP-SBWF01

£49.97

£41.64

£54.91

£45.76
9% OFF

Optimum Connect WiFi - Two Channel Socket Box Timeswitch

OP-SBWF02

£64.26

£53.55

£70.61

£58.84
9% OFF

Optimum Connect WiFi - Three Channel Socket Box Timeswitch

OP-SBWF03

£70.39

£58.66

£77.35

£64.46
9% OFF

Optimum 24 Hour Synchronous Timeswitch Module with Override

OP-FM1STUH0

£38.48

£32.07

£42.29

£35.24
Honeywell ST9400C 7-Day 2 Channel Programmer

7DAY2C

£106.24

£88.53
Honeywell ST9100C1006 Single Channel 7 Day Timeswitch

TIMER7D

£83.39

£69.49

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Expansion Vessels

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