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 95 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
22% OFF

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

STTRS1

£12.01

£10.01

£15.40

£12.83
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 / 7 Day Digital Timeswitch - 240V A.C

OP-TS371.1

£64.16

£53.47

£70.51

£58.76
9% OFF

Optimum 24 Hour Synchronous Timeswitch Module with Override

OP-FM1STUH0

£38.48

£32.07

£42.29

£35.24
9% OFF

Optimum WiFi - Boiler Module / Immersion Heater Control

OP-BM/IHTWF01

£49.96

£41.63

£54.89

£45.74
22% OFF

Pipe / Cylinder stat

PCS

£14.21

£11.84

£18.22

£15.18
22% OFF

Tower Frost thermostat

STTRFSN

£15.30

£12.75

£19.62

£16.35
28% OFF

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

SensaireSA1

£92.62

£77.18

£128.63

£107.19
28% OFF

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

WeatherCapA

£95.02

£79.18

£131.96

£109.97
28% OFF

First Trace Heating Direct Line Sensing Thermostat for Temperature Maintenance 0-90⁰

WeatherCapB

£95.02

£79.18

£131.96

£109.97
28% OFF

First Trace Heating Direct Line Sensing Thermostat for Temperature Maintenance 20-220⁰

WeatherCapC

£97.66

£81.38

£135.64

£113.03
28% OFF

First Trace Heating Direct Digital Line Sensing Thermostat

WeatherCapBMS

£139.51

£116.26

£193.76

£161.47
9% OFF

Optimum Connect WiFi - Three Channel Socket Box Timeswitch

OP-SBWF03

£70.39

£58.66

£77.35

£64.46
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 - Single Channel Socket Box Timeswitch

OP-SBWF01

£49.97

£41.64

£54.91

£45.76
9% OFF

Optimum WiFi - DIN Rail Timeswitch

OP-DRWF01

£49.96

£41.63

£54.89

£45.74
9% OFF

Optimum Boiler Plus 'Vibe' RF Programmable Thermostat

OP-TPISTAT

£70.62

£58.85

£77.60

£64.67
9% OFF

Optimum 24 Hour Digital Fused Spur Timer

OP-DFST

£34.28

£28.57

£37.68

£31.40
9% OFF

Optimum 2 Hour Electronic Boost Timer

OP-EBT2

£21.38

£17.82

£23.51

£19.59
9% OFF

Optimum 24 Hour Synchronous Timeswitch Module

OP-FM1STU00

£36.35

£30.29

£39.95

£33.29
9% OFF

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

OP-TS211.1

£64.16

£53.47

£70.51

£58.76
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 24 Hour Synchronous Timeswitch - 240V A.C.

OP-TS111.1

£43.84

£36.53

£48.17

£40.14

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Expansion Vessels

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