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10 bestImmersion Heatersof November 2025

112M consumers helped this year.

1

Smart Immersion Heater Timer Switch, 40A 8000W WiFi Water Heater Switch, Smart Wall Touch Boiler Switch with Timer, Smart Life APP Remote Control, Works with Amazon Alexa & Google Assistant
Smart Immersion Heater Timer Switch, 40A 8000W WiFi Water Heater Switch, Smart Wall Touch Boiler Switch with Timer, Smart Life APP Remote Control, Works with Amazon Alexa & Google Assistant

BritPick

9.8

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2

T-Smart Tesla Vertical Top Entry 27" Incoloy Cylinder Immersion Heater & Smart Thermostat TIHTS650
T-Smart Tesla Vertical Top Entry 27" Incoloy Cylinder Immersion Heater & Smart Thermostat TIHTS650

T-Smart

9.6

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25% off

3

Timeguard FST24 24 Hour Fused Spur Timeswitch Storage/Immersion Heater
Timeguard FST24 24 Hour Fused Spur Timeswitch Storage/Immersion Heater

Timeguard

9.5

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4

Heatrae Sadia Megaflo/Megaflow Upper Immersion Heater - 95606962
Heatrae Sadia Megaflo/Megaflow Upper Immersion Heater - 95606962

Heatrae Sadia

9.2

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5

Heatrae Sadia Megaflo HE Lower/Bottom Immersion Heater 95606963 (Complete)
Heatrae Sadia Megaflo HE Lower/Bottom Immersion Heater 95606963 (Complete)

Heatrae Sadia

9.0

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Related productsUp to 6% off

Cotherm 14" Replacement Unvented Immersion Heater Element ELE14IN800UNV

Cotherm 14" Replacement Unvented Immersion Heater Element ELE14IN800UNV

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HBN 24 Hour Indoor Energy Saving Mechanical Immersion Heater Segment Timer Switch with Waterproof Cover, White, 16 Amps

HBN 24 Hour Indoor Energy Saving Mechanical Immersion Heater Segment Timer Switch with Waterproof Cover, White, 16 Amps

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Smart Immersion Heater Timer Switch, 40A WIFI Smart Water Heater Timer Switch, Smart Wall Touch Boiler Switch with Alexa, Smart Life, Light Timer Switch, 8000W, (43mm deep box)

Smart Immersion Heater Timer Switch, 40A WIFI Smart Water Heater Timer Switch, Smart Wall Touch Boiler Switch with Alexa, Smart Life, Light Timer Switch, 8000W, (43mm deep box)

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SPARES2GO 27" Incoloy Hard Hot Water Immersion Heater Boiler Element + Copper Pocket + Thermostat

SPARES2GO 27" Incoloy Hard Hot Water Immersion Heater Boiler Element + Copper Pocket + Thermostat

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6

Heatrae Sadia Megaflo HE Upper/Top Immersion 95606964 (Complete)
Heatrae Sadia Megaflo HE Upper/Top Immersion 95606964 (Complete)

Heatrae Sadia

8.7

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7

Tesla External Immersion Heater (also known as a Willis)
Tesla External Immersion Heater (also known as a Willis)

Tesla

8.4

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21% off

8

Timeguard NTT03 24-Hour/7-Day Compact Electronic Immersion Heater Timeswitch,White
Timeguard NTT03 24-Hour/7-Day Compact Electronic Immersion Heater Timeswitch,White

Timeguard

8.1

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9

IMMERSION HEATER CONTROLLER + BOX IMM24 By APT
IMMERSION HEATER CONTROLLER + BOX IMM24 By APT

Best Price Square

7.8

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10

Heatrae Sadia Megaflo/Megaflow Immersion Heater Lower TSE/TSR 95606946
Heatrae Sadia Megaflo/Megaflow Immersion Heater Lower TSE/TSR 95606946

Heatrae Sadia

7.6

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