Thermex water heaters

64 products
  • Relevance
  • Price low to high
  • Price high to low
  • Highest ratings
Filter by
Thermex Digital 30-V, 30 litres boiler vertical WiFiTHERMEX

Thermex Digital 30-V, 30 litres boiler vertical WiFi

1
£135.00
ELDOM Spectra 50 liter electric storage water heater 1.5 kW. manual controlELDOM

ELDOM Spectra 50 liter electric storage water heater 1.5 kW. manual control

11
£145.00
TTulpe Outdoor HD-6 P50 white, portable outdoor propane gas water heater, ErP/ low NOxTTULPE

TTulpe Outdoor HD-6 P50 white, portable outdoor propane gas water heater, ErP/ low NOx

1
£139.00
Triton Instaflow 2kW Stored Hot Water Heater Under Sink White SPINSF100S 10LTRITON

Triton Instaflow 2kW Stored Hot Water Heater Under Sink White SPINSF100S 10L

1
£116.76£259.99
Free delivery
ELDOM Spectra 80 liter boiler 2 kW. manual controlELDOM

ELDOM Spectra 80 liter boiler 2 kW. manual control

28
£160.00
Ariston VELIS EVO WIFI 45L Electric Storage Water Heater B classARISTON GROUPDeal

Ariston VELIS EVO WIFI 45L Electric Storage Water Heater B class

£450.00£460.00
Free delivery
Triton Instaflow 5.4kW Instantaneous Hot Water Heater Under Sink SPINSF05SWTRITON

Triton Instaflow 5.4kW Instantaneous Hot Water Heater Under Sink SPINSF05SW

1
£126.13£269.99
Free delivery
TTulpe® Indoor B-14 P37 Eco  propane instantaneous gas water heater, ErP/ Low NOxTTULPE

TTulpe® Indoor B-14 P37 Eco propane instantaneous gas water heater, ErP/ Low NOx

4
£329.00
Thermex Nika 80-V 80 Litres boiler vertical SafedryTHERMEX

Thermex Nika 80-V 80 Litres boiler vertical Safedry

£195.00
ELDOM Favourite WH05039L horizontal boiler 50 litres LEFTELDOM

ELDOM Favourite WH05039L horizontal boiler 50 litres LEFT

25
£139.00
Triton T30i Instaflow 3KW Hand Wash Unit Water Heater Boiler Over Sink + SpoutTRITON

Triton T30i Instaflow 3KW Hand Wash Unit Water Heater Boiler Over Sink + Spout

1
£57.99£60.76
Free delivery
Triton Instaflow 7.7kW Instantaneous Hot Water Heater Under Sink SPINSF07MWTRITON

Triton Instaflow 7.7kW Instantaneous Hot Water Heater Under Sink SPINSF07MW

£145.67£269.99
Free delivery
Electric Water Heater 220V 3800W Instant Water Heater Suitable for Converting Cold Water to Hot Water Adjustable Water Flow Temperature for Kitchen Bathroom (Red)

Electric Water Heater 220V 3800W Instant Water Heater Suitable for Converting Cold Water to Hot Water Adjustable Water Flow Temperature for Kitchen Bathroom (Red)

£73.99
Free delivery
Redring Powerstream 9.5kW Instantaneous Water HeaterREDRING

Redring Powerstream 9.5kW Instantaneous Water Heater

£135.19£229.99
Free delivery
Triton Aspirante 9.5KW Gloss White Electric Shower Includes 3 Mode Head + RiserTRITONDeal

Triton Aspirante 9.5KW Gloss White Electric Shower Includes 3 Mode Head + Riser

3
£157.69£165.99
Free delivery
Thermex IF 30 Flat SmartTHERMEX

Thermex IF 30 Flat Smart

162
£210.00
Free delivery
ELDOM 10L Under Sink Storage Water Heater 2KWELDOM

ELDOM 10L Under Sink Storage Water Heater 2KW

45
£145.00
Free delivery
Triton Instaflow 1.5kW Stored Hot Water Heater Under Sink White SPINSF500STRITON

Triton Instaflow 1.5kW Stored Hot Water Heater Under Sink White SPINSF500S

£110.23£249.99
Free delivery
Triton Instaflow 10.1kW Instantaneous Hot Water Heater Under Sink SPINSF10MWTRITON

Triton Instaflow 10.1kW Instantaneous Hot Water Heater Under Sink SPINSF10MW

£143.99£274.99
Free delivery
ELDOM 15L Under Sink Storage Water Heater 2KWELDOM

ELDOM 15L Under Sink Storage Water Heater 2KW

15
£155.00
Free delivery
TTulpe SmartMaster 60 flat electric water heater with smart control with Wi-FiTTULPE

TTulpe SmartMaster 60 flat electric water heater with smart control with Wi-Fi

£395.00
Instant Electric Hot Water Heater Boiler Hand Wash 5,5kW White Plastic Spout
3 options
DAFI

Instant Electric Hot Water Heater Boiler Hand Wash 5,5kW White Plastic Spout

34
£101.99
Free delivery
TTulpe® Indoor B-6 P50 Eco, propane instantaneous gas water heater, ErP/ Low NOx (50 mbar)TTULPEBest sellers

TTulpe® Indoor B-6 P50 Eco, propane instantaneous gas water heater, ErP/ Low NOx (50 mbar)

16
£245.00
ANDRIS LUX 15 UR 2KW EUARISTON GROUP

ANDRIS LUX 15 UR 2KW EU

£123.00£158.40
Free delivery
Redring Powerstream 12kW Instantaneous Water HeaterREDRING

Redring Powerstream 12kW Instantaneous Water Heater

1
£177.84£299.99
Free delivery
Triton Aspirante 8.5KW Gun Metal Electric Shower - Includes Head + RiserTRITON

Triton Aspirante 8.5KW Gun Metal Electric Shower - Includes Head + Riser

10
£159.99£167.99
Free delivery
Ariston ANDRIS R 15L Compact Undersink Electric Water Heater 2kWARISTON GROUP

Ariston ANDRIS R 15L Compact Undersink Electric Water Heater 2kW

£123.00£174.90
Free delivery
Triton Aspirante Electric Shower - Brushed Steel 9.5kWTRITONDeal

Triton Aspirante Electric Shower - Brushed Steel 9.5kW

8
£175.08£235.99
Free delivery
ELDOM 10L Over Sink Storage Water Heater 2KWELDOM

ELDOM 10L Over Sink Storage Water Heater 2KW

42
£145.00
Free delivery
Bathroom Thermostatic Mixer Shower Set Square Chrome Twin Head Exposed ValveARCHITECKT
DealBest sellers

Bathroom Thermostatic Mixer Shower Set Square Chrome Twin Head Exposed Valve

286
£74.99£76.97
Free delivery
Anthracite Oval Column Designer Radiator Vertical Horizontal 600 x 1020mm Double Panel
28 options
DURATHERM

Anthracite Oval Column Designer Radiator Vertical Horizontal 600 x 1020mm Double Panel

405
£169.00£189.97
Free delivery
TTulpe SmartMaster 50 Litre Flat Storage Water Heater 2kW Wi-FiTTULPE

TTulpe SmartMaster 50 Litre Flat Storage Water Heater 2kW Wi-Fi

31
£280.00
Free delivery
1800 x 452mm Anthracite Vertical Radiator Designer Double Flat Column Radiators Bathroom Flat PanelELEGANT
DealBest sellers

1800 x 452mm Anthracite Vertical Radiator Designer Double Flat Column Radiators Bathroom Flat Panel

114
£159.99£167.99
Free delivery
Rose 2 Way Concealed Thermostatic Shower Mixer Valve 200 Slim Overhead - ChromeNES HOME

Rose 2 Way Concealed Thermostatic Shower Mixer Valve 200 Slim Overhead - Chrome

£169.99
Free delivery
ELEGANT High Heat Output Radiator 1800x608mm Anthracite Double Flat Panel Tall Upright Central Vertical RadiatorsELEGANTDeal

ELEGANT High Heat Output Radiator 1800x608mm Anthracite Double Flat Panel Tall Upright Central Vertical Radiators

36
£209.99£221.99
Free delivery
White Flat Panel Designer Radiator Vertical Horizontal 600 x 456mm Single Panel
26 options
DURATHERM

White Flat Panel Designer Radiator Vertical Horizontal 600 x 456mm Single Panel

182
£59.99£99.99
Free delivery
Anthracite Designer Radiator Vertical Horizontal Flat Panel 1800 x 452mm Single Panel
26 options
DURATHERM
DealMano selection

Anthracite Designer Radiator Vertical Horizontal Flat Panel 1800 x 452mm Single Panel

444
£109.97£239.99
Free delivery
ELEGANT 1800 x 480 Anthracite Vertical Radiator Double Modern Oval Column Radiator Central Heating Radiators Designer RadiatorsELEGANTDeal

ELEGANT 1800 x 480 Anthracite Vertical Radiator Double Modern Oval Column Radiator Central Heating Radiators Designer Radiators

78
£163.99£166.99
Free delivery
NRG 15mm Angled Thermostatic Radiator Valve and Manual Angled Valves Anthracite
3 options
NRG

NRG 15mm Angled Thermostatic Radiator Valve and Manual Angled Valves Anthracite

129
£17.05£33.99
Free delivery
Volume discountsELEGANT 1800 x 608 mm Vertical Designer Radiator Anthracite Double Flat Panel Column Tall Upright Central Heating RadiatorsELEGANTDeal

ELEGANT 1800 x 608 mm Vertical Designer Radiator Anthracite Double Flat Panel Column Tall Upright Central Heating Radiators

9
£223.99£299.99
Free delivery
Ariston VELIS EVO 45 L Electric Storage Water Heater, Inclusive Of Unvented Kit, Twin Tank Technology, Shower Ready, Eco Evo Function, Extreme Durability. Manufactured to be installed in UK – 3626305ARISTON GROUP
DealBest sellers

Ariston VELIS EVO 45 L Electric Storage Water Heater, Inclusive Of Unvented Kit, Twin Tank Technology, Shower Ready, Eco Evo Function, Extreme Durability. Manufactured to be installed in UK – 3626305

£400.00£405.00
Free delivery
ELDOM FAVOURITE 80 liter boiler 2 kW. Electronic Control Wi-FiELDOM

ELDOM FAVOURITE 80 liter boiler 2 kW. Electronic Control Wi-Fi

2
£195.00
ELDOM Favourite 80 liter storage water heater 2 kW. Horizontal BOTTOMELDOM

ELDOM Favourite 80 liter storage water heater 2 kW. Horizontal BOTTOM

£199.00
ELDOM Favourite WH05039R horizontal boiler 50 litres RIGHTELDOM

ELDOM Favourite WH05039R horizontal boiler 50 litres RIGHT

8
£150.00
TTulpe Comfort 50-V 50 litres flat boiler vertical Wi-FiTTULPE

TTulpe Comfort 50-V 50 litres flat boiler vertical Wi-Fi

1
£215.00
ELDOM Favourite 80 liter storage water heater for universal wall-mountingELDOM

ELDOM Favourite 80 liter storage water heater for universal wall-mounting

3
£199.00
ELDOM 7L Under Sink Storage Water Heater 1.5KWELDOM

ELDOM 7L Under Sink Storage Water Heater 1.5KW

16
£135.00
Free delivery
Triton Instaflow 2kW Stored Hot Water Heater Under Sink White SPINSF150S 15LTRITON

Triton Instaflow 2kW Stored Hot Water Heater Under Sink White SPINSF150S 15L

£130.49£262.99
Free delivery
Mini Water Heater 5500W IPX4 Waterproof with LED Display and Shower Head, Thermostatic Water Heater for Bathroom and Kitchen.

Mini Water Heater 5500W IPX4 Waterproof with LED Display and Shower Head, Thermostatic Water Heater for Bathroom and Kitchen.

£70.99
Free delivery
Triton Cold Water Pack Expansion Vessel Non Return Valve 2 Litre Hot WaterTRITON

Triton Cold Water Pack Expansion Vessel Non Return Valve 2 Litre Hot Water

£61.39£99.99
Free delivery
Ariston ANDRIS R 10L Compact Undersink Electric Water Heater 3kWARISTON GROUP

Ariston ANDRIS R 10L Compact Undersink Electric Water Heater 3kW

£136.00£181.50
Free delivery
Ariston ANDRIS R 10L Compact Undersink Electric Water Heater 2kWARISTON GROUP

Ariston ANDRIS R 10L Compact Undersink Electric Water Heater 2kW

£110.00£166.10
Free delivery
ELDOM 7L Over Sink Storage Water Heater 1.5KWELDOM

ELDOM 7L Over Sink Storage Water Heater 1.5KW

61
£135.00
Free delivery
ANDRIS LUX 15 UR 3KW EUARISTON GROUP

ANDRIS LUX 15 UR 3KW EU

£144.00£180.40
Free delivery
ELDOM 15L Over Sink Storage Water Heater 2KWELDOM

ELDOM 15L Over Sink Storage Water Heater 2KW

44
£155.00
Free delivery
2 in 1 Toilet Basin Combo Combined Toilet and Sink Space Saving Cloakroom UnitAQUARI

2 in 1 Toilet Basin Combo Combined Toilet and Sink Space Saving Cloakroom Unit

20
£249.99£419.99
Free delivery

Looking to save time?

Create your account in 3 clicks!
The DIY, home and garden specialist

The DIY, home and garden specialist

Reliable delivery

Reliable delivery

Payment in 3x or up to 30 days free of charge

Payment in 3x or up to 30 days free of charge

More than 7 million individual and professional customers

More than 7 million individual and professional customers