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
BritPick

9.8
2

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

9.6
25% off
3

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

9.5
4

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

9.2
5

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

9.0
OtherUp to 6% off
6

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

8.7
7

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

8.4
21% off
8

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

8.1
9

IMMERSION HEATER CONTROLLER + BOX IMM24 By APT
Best Price Square

7.8
10

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

7.6
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