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 216 products

EXPANSION VESSEL KIT

381870

£29.66

£24.72
Expansion Vessel Bracket Up to 24 litres

381650

£24.01

£20.01
Universal Expansion Vessel Mounting Bracket

381655

£6.86

£5.72
Expansion Vessel Service Valve 3/4" M x F

381875

£19.18

£15.98
T-BAR Expansion Vessel Fixing Kit

381880

£58.10

£48.42
25% OFF

Tower Volt Free room thermostat: 10°C to 30°C

STTRS1

£11.22

£9.35

£14.96

£12.47
15% OFF

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

OP-TS171.1

£43.63

£36.36

£51.34

£42.78
15% OFF

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

OP-TS371.1

£58.18

£48.48

£68.45

£57.04
15% OFF

Optimum 24 Hour Synchronous Timeswitch Module with Override

OP-FM1STUH0

£34.91

£29.09

£41.06

£34.22
15% OFF

Optimum 24 Hour Plug-in Timeswitch

OP-TIP1000

£13.57

£11.31

£15.96

£13.30
15% OFF

Optimum WiFi - Plug-in Timeswitch

OP-TIPWF01

£25.88

£21.57

£30.46

£25.38
15% OFF

Optimum WiFi - Boiler Module / Immersion Heater Control

OP-BM/IHTWF01

£45.31

£37.76

£53.30

£44.42
25% OFF

Pipe / Cylinder stat

PCS

£13.27

£11.06

£17.69

£14.74
25% OFF

Tower Frost thermostat

STTRFSN

£14.28

£11.90

£19.04

£15.87
25% OFF

First Trace Heating Direct Air Sensing Frost Protection Thermostat -5-40⁰

SensaireSA1

£101.00

£84.17

£134.68

£112.23
25% OFF

First Trace Heating Direct Digital Line Sensing Thermostat

WeatherCapBMS

£152.16

£126.80

£202.88

£169.07
15% OFF

Optimum Connect WiFi - Three Channel Socket Box Timeswitch

OP-SBWF03

£63.83

£53.19

£75.10

£62.58
15% OFF

Optimum Connect WiFi - Two Channel Socket Box Timeswitch

OP-SBWF02

£58.27

£48.56

£68.56

£57.13
15% OFF

Optimum Connect WiFi - Single Channel Socket Box Timeswitch

OP-SBWF01

£45.32

£37.77

£53.32

£44.43
15% OFF

Optimum WiFi - DIN Rail Timeswitch

OP-DRWF01

£45.31

£37.76

£53.30

£44.42
15% OFF

Optimum Boiler Plus 'Vibe' RF Programmable Thermostat

OP-TPISTAT

£64.04

£53.37

£75.35

£62.79
15% OFF

Optimum 24 Hour Digital Fused Spur Timer

OP-DFST

£31.09

£25.91

£36.58

£30.48
15% OFF

Optimum 2 Hour Electronic Boost Timer

OP-EBT2

£19.39

£16.16

£22.81

£19.01
15% OFF

Optimum 24 Hour Synchronous Timeswitch Module

OP-FM1STU00

£32.96

£27.47

£38.78

£32.32
15% OFF

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

OP-TS211.1

£58.18

£48.48

£68.45

£57.04
15% OFF

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

OP-TS111.1

£39.74

£33.12

£46.76

£38.97
15% OFF

Optimum Digital Immersion / General Purpose Timeswitch

OP-IHTDIGI

£48.48

£40.40

£57.04

£47.53
15% OFF

Optimum 7 Day Immersion / General Purpose Timeswitch

OP-IHTGPW

£40.74

£33.95

£47.93

£39.94
15% OFF

Optimum 24 Hour Immersion / General Purpose Timeswitch

OP-IHTGPT

£28.12

£23.43

£33.07

£27.56
15% OFF

Optimum Digital Socket Box Timeswitch

OP-SBSDIGI

£55.27

£46.06

£65.03

£54.19
15% OFF

Optimum 7 Day Socket Box Timeswitch

OP-SBSW

£44.59

£37.16

£52.46

£43.72
15% OFF

Optimum 24 Hour Socket Box Timeswitch - 24V D.C.

OP-SBST24V

£48.48

£40.40

£57.04

£47.53

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Expansion Vessels

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