GE 24-Hour Heavy Duty Indoor Mechanical Water Heater Switch Timer 15328 - The Home Depot
TB35N 15A Din Rail Water Heater Programmable Timer Switch Time Controller Mechanical Timer Switch Controller - AliExpress
Intermatic Part # T104-20 - Intermatic T100 Series 208V To 250V 23-Hour Indoor Mechanical Water Heater Timer Switch Dpst, Gray - Timer Switches - Home Depot Pro
AHC17A 30Amp heater timer switch - ALION
Manhua Tb35n 100-240v 15a Din Rail Water Heater Programmable Timer Switch Time Controller Mechanical Timer Switch - Timers - AliExpress
Immersion Heater Timer, 24 Hour Energy Saving Timer Switch, 16a/3680w In-wall | Fruugo IT
Programmable Fused Spur Timer Switch
Horstmann Electrisaver Water Heating Boost Control | Remembers to switch of when you forget | Money saving products for off-peak electricity
Tb35n 15a Din Rail Water Heater Programmable Timer Switch Time Controller Mechanical Timer Switch Controller - Switches - AliExpress