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706 products found
BEST SELLERS
24 Litre Aquasystems ARB24 Expansion Vessel Potable 3 Bar with Integral Bracket
24 Litre Aquasystems ARB24 Expansion Vessel Potable 3 Bar with Integral Bracket
(6)
  • Free delivery (postcode specific)

£70.32

£38.99
- 44 %
BEST SELLERS
Security unit - WATTS INDUSTRIES : 2252550
WATTS
Security unit - WATTS INDUSTRIES : 2252550
(24)
  •  

£24.38

£18.53
- 23 %
BEST SELLERS
ACCESSORIES FOR WATER HEATER - Dielectric connector
ACCESSORIES FOR WATER HEATER - Dielectric connector
  •  
£9.55
Cotherm - Replacement TSE 11" T115 16A 250V Immersion Thermostat TSE00187
Cotherm - Replacement TSE 11" T115 16A 250V Immersion Thermostat TSE00187
(7)
  • Free delivery (postcode specific)
£24.00
Reliance - Aquasystem ARB18 Litre Potable Expansion Vessel C/W Bracket XVES050055
Reliance - Aquasystem ARB18 Litre Potable Expansion Vessel C/W Bracket XVES050055
  • Free delivery (postcode specific)
£32.52
Aquasystem 18 Litre Replaceable Membrane Potable Expansion Vessel 465x280mm
Aquasystem 18 Litre Replaceable Membrane Potable Expansion Vessel 465x280mm
  • Free delivery (postcode specific)

£58.08

£32.99
- 43 %
Snap disc (klixon) 130°C
Snap disc (klixon) 130°C
  •  
£11.70
24 LTR Aquasystems ARB24 Expansion Vessel Potable 3.5 Bar with Integral Bracket
24 LTR Aquasystems ARB24 Expansion Vessel Potable 3.5 Bar with Integral Bracket
(1)
  • Free delivery (postcode specific)

£70.32

£49.25
- 29 %
Heatrae Sadia - Megaflo Thermostat 11 Rod Type TSE 95612599 95612026 T115
Heatrae Sadia - Megaflo Thermostat 11 Rod Type TSE 95612599 95612026 T115
(4)
  • Free delivery (postcode specific)
£24.00
Vaillant - Ecotec Expansion Vessel 181051 & PRV 178985 (Original)
VAILLANT
Vaillant - Ecotec Expansion Vessel 181051 & PRV 178985 (Original)
(1)
  • Free delivery (postcode specific)
£45.99
RM Cylinders Spare Dual Thermostat
RM Cylinders Spare Dual Thermostat
(1)
  • Free delivery (postcode specific)

£65.40

£21.64
- 66 %
18 Litre Aquasystems ARB18 Expansion Vessel Potable 3 Bar with Integral Bracket
18 Litre Aquasystems ARB18 Expansion Vessel Potable 3 Bar with Integral Bracket
  • Free delivery (postcode specific)

£63.12

£35.99
- 42 %
Vaillant - Ecotec Expansion Vessel 181051 (All Models)
Vaillant - Ecotec Expansion Vessel 181051 (All Models)
  • Free delivery (postcode specific)
£29.00
2 Litre Varem Extravarem LC White Potable Water Expansion Vessel 4.1 Bar
2 Litre Varem Extravarem LC White Potable Water Expansion Vessel 4.1 Bar
  • Free delivery (postcode specific)

£51.43

£33.00
- 35 %
Aquasystem 24 Litre Replaceable Membrane Potable Expansion Vessel 492x280mm
Aquasystem 24 Litre Replaceable Membrane Potable Expansion Vessel 492x280mm
(1)
  • Free delivery (postcode specific)

£65.28

£35.99
- 44 %
Heatrae Sadia 95612599 / 95612026 Megaflo TSE/TSR Thermostat
Heatrae Sadia 95612599 / 95612026 Megaflo TSE/TSR Thermostat
(2)
  • Free delivery (postcode specific)

£94.37

£50.00
- 47 %
18 LTR Aquasystems ARB18 Expansion Vessel Potable 3.5 Bar with Integral Bracket
18 LTR Aquasystems ARB18 Expansion Vessel Potable 3.5 Bar with Integral Bracket
  • Free delivery (postcode specific)

£63.12

£36.99
- 41 %
Heatrae Sadia 95612599 Thermostat 11" Rod Type TSE (Replace TSR 95612026)
Heatrae Sadia 95612599 Thermostat 11" Rod Type TSE (Replace TSR 95612026)
  • Free delivery (postcode specific)

£86.72

£40.00
- 53 %
Redring Spare 97783265 3kw Immersion Heater
Redring Spare 97783265 3kw Immersion Heater
  • Free delivery (postcode specific)

£234.19

£58.99
- 74 %
Heatrae Sadia - Titanium Immersion Heater - Upper 95606989
Heatrae Sadia - Titanium Immersion Heater - Upper 95606989
  • Free delivery (postcode specific)
£99.16
Heating element 2400W 230V - DIFF for Atlantic : 060179
Heating element 2400W 230V - DIFF for Atlantic : 060179
(7)
  • Free delivery (postcode specific)
£62.49
Screw-on immersion heater 9kW
Screw-on immersion heater 9kW
  • Free delivery (postcode specific)
£313.09
12 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
12 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
  • Free delivery (postcode specific)

£62.33

£39.00
- 37 %
Heatrae Sadia 95604659 Spare Plastic Spout (Grey)
Heatrae Sadia 95604659 Spare Plastic Spout (Grey)
  • Free delivery (postcode specific)

£68.29

£50.00
- 26 %
Immersion heater 1"1/4 - Type ECB3 1500w
Immersion heater 1"1/4 - Type ECB3 1500w
  •  
£23.42
ACCESSORIES FOR WATER HEATER - Safety unit stainless anti-liming
ACCESSORIES FOR WATER HEATER - Safety unit stainless anti-liming
(9)
  •  

£33.30

£28.30
- 15 %
ACCESSORIES FOR WATER HEATER - Water seal NF
ACCESSORIES FOR WATER HEATER - Water seal NF
  •  
£3.29
Titan Plastech Spare UVTHERMOSTATHL High Limit Thermostat
Titan Plastech Spare UVTHERMOSTATHL High Limit Thermostat
  • Free delivery (postcode specific)

£78.22

£40.00
- 48 %
Cotherm - 1 3/4" 3kW Immersion Heater 11" for Unvented Cylinders
Cotherm - 1 3/4" 3kW Immersion Heater 11" for Unvented Cylinders
  • Free delivery (postcode specific)
£33.54
MTS Ariston 60001652 Spare Indirect Thermostat Kit
ARISTON THERMO
MTS Ariston 60001652 Spare Indirect Thermostat Kit
  • Free delivery (postcode specific)

£76.62

£62.99
- 17 %
Heatrae Sadia Combined Thermostat & Thermal Cut Out 95612689
Heatrae Sadia Combined Thermostat & Thermal Cut Out 95612689
  • Free delivery (postcode specific)

£92.82

£51.00
- 45 %
Heatrae Sadia Megaflo/Megaflow Upper Immersion Heater - 95606962
Heatrae Sadia Megaflo/Megaflow Upper Immersion Heater - 95606962
  • Free delivery (postcode specific)

£110.57

£80.00
- 27 %
1 3/4" 3kW Immersion Heater 14" for Unvented Cylinders
1 3/4" 3kW Immersion Heater 14" for Unvented Cylinders
  • Free delivery (postcode specific)

£83.27

£75.29
- 9 %

Electric water heater buying guide

Buying guide
25 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
25 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
  • Free delivery (postcode specific)

£76.01

£48.00
- 36 %
Santon Spare S6212 3kw Element (Direct Models)
Santon Spare S6212 3kw Element (Direct Models)
  • Free delivery (postcode specific)

£33.47

£25.00
- 25 %
Heatrae Sadia Megaflo HE Lower/Bottom Immersion Heater 95606963 Complete
Heatrae Sadia Megaflo HE Lower/Bottom Immersion Heater 95606963 Complete
  • Free delivery (postcode specific)

£151.48

£88.00
- 41 %
Immersion heater 1"1/4 - Type ECB3 2500w
Immersion heater 1"1/4 - Type ECB3 2500w
(2)
  •  
£33.50
Zilmet - Ultra Pro 12 Litre Potable Expansion Vessel C/W Bracket 1100001220
ZILMET
Zilmet - Ultra Pro 12 Litre Potable Expansion Vessel C/W Bracket 1100001220
  • Free delivery (postcode specific)
£44.10
OSO Hot Water Spare 80030 Surface Mounted Thermostat
OSO Hot Water Spare 80030 Surface Mounted Thermostat
(1)
  • Free delivery (postcode specific)

£92.74

£60.88
- 34 %
Aquasystem 12 Litre Replaceable Membrane Potable Expansion Vessel
Aquasystem 12 Litre Replaceable Membrane Potable Expansion Vessel
  • Free delivery (postcode specific)

£53.16

£29.99
- 43 %
Heating element - ATLANTIC : 099022
ATLANTIC
Heating element - ATLANTIC : 099022
  • Free delivery (postcode specific)
£83.32
COTHERM water heater thermostat - Type GPC 450 with two bulbs - COTHERM : KGPC900507
COTHERM water heater thermostat - Type GPC 450 with two bulbs - COTHERM : KGPC900507
  • Free delivery (postcode specific)
£144.52
Vaillant Spare 25 Litre Potable Expansion Vessel
VAILLANT
Vaillant Spare 25 Litre Potable Expansion Vessel
  • Free delivery (postcode specific)

£77.33

£60.30
- 22 %
Immersion heater for water heater - Specific PACIFIC - ATLANTIC - SAUTER - THERMOR Ref 399275 - PACIFIC : 060413
Immersion heater for water heater - Specific PACIFIC - ATLANTIC - SAUTER - THERMOR Ref 399275 - PACIFIC : 060413
  • Free delivery (postcode specific)
£117.19
18 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
18 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
  • Free delivery (postcode specific)

£70.39

£44.00
- 37 %
Altecnic - Reflex 0.16Ltr Potable Expansion Vessel Shock Arrestor PV016C
Altecnic - Reflex 0.16Ltr Potable Expansion Vessel Shock Arrestor PV016C
  • Free delivery (postcode specific)
£22.42
Expansion Vessel Bracket for all Vessel sizes up to 24 Litres
Expansion Vessel Bracket for all Vessel sizes up to 24 Litres
  • Free delivery (postcode specific)

£16.48

£13.01
- 21 %
Range Spare TS900 Immersion Thermostat
Range Spare TS900 Immersion Thermostat
  • Free delivery (postcode specific)

£44.05

£23.99
- 45 %
COTHERM water heater thermostat - Type BTS 270 with 2 bulbs - COTHERM : KBTS 900107
COTHERM water heater thermostat - Type BTS 270 with 2 bulbs - COTHERM : KBTS 900107
(1)
  • Free delivery (postcode specific)
£70.08
24 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
24 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
  • Free delivery (postcode specific)

£86.18

£53.00
- 38 %
Chrome Heating Element - 300 watt
Chrome Heating Element - 300 watt
  •  

£99.95

£40.00
- 59 %
Vaillant Spare 0020009861 18 Litre Potable Expansion Vessel
VAILLANT
Vaillant Spare 0020009861 18 Litre Potable Expansion Vessel
  • Free delivery (postcode specific)

£75.97

£55.99
- 26 %
Zilmet - Ultra Pro 19 Litre Potable Expansion Vessel C/W Bracket 1100001951
ZILMET
Zilmet - Ultra Pro 19 Litre Potable Expansion Vessel C/W Bracket 1100001951
  • Free delivery (postcode specific)
£62.23
Ariston - Europrisma 2 Litre Water Heater Expansion Vessel 15mm Check Valve Kit A
ARISTON
Ariston - Europrisma 2 Litre Water Heater Expansion Vessel 15mm Check Valve Kit A
  • Free delivery (postcode specific)
£29.99
Titan Plastech Spare UVEXPANSION12 12 Litre Potable Expansion Vessel
Titan Plastech Spare UVEXPANSION12 12 Litre Potable Expansion Vessel
  • Free delivery (postcode specific)

£75.31

£35.55
- 52 %
TTulpe® vertical concentric connection part F / F with measuring points
TTULPE
TTulpe® vertical concentric connection part F / F with measuring points
  •  

£20.00

£13.00
- 35 %
24 Litre Zilmet Cal-Pro Red Heating Expansion Vessel with Sealed System Kit
24 Litre Zilmet Cal-Pro Red Heating Expansion Vessel with Sealed System Kit
  • Free delivery (postcode specific)

£80.48

£58.68
- 27 %
5 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
5 Litre Varem Extravarem LC White Potable Water Expansion Vessel 3/4" Connection
  • Free delivery (postcode specific)

£54.17

£35.00
- 35 %
Heatrae Sadia - Megaflo Thermostat 11 Rod Type TSE/TSR 95612026 95612599
Heatrae Sadia - Megaflo Thermostat 11 Rod Type TSE/TSR 95612026 95612599
  • Free delivery (postcode specific)

£35.84

£29.87
- 16 %
Screw-on immersion heater 6kW
Screw-on immersion heater 6kW
(1)
  • Free delivery (postcode specific)
£295.94

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